Di-LOG’s New EV Test Equipment Range which includes the DL9100 series MFT incorporates the DL9120 and DL9130EV with both products boasting DC capability, paving the way for a host of tests-specific to the *EV and PV sectors, mainly the ability to conduct a Type B (Pure DC) RCD test.
The new DL9100 range is Di-LOG’s most intelligent tester to date with a fully auto-sensing high current Loop/PSCC test that will automatically detect if the user is conducting either a 2-wire or 3-wire test without the need to select a specific setting. Fitted with a new high-contrast RGB colour screen with a full secondary display, results are held on the screen with the added benefit of colour-changing screen alarms when specific triggers or warnings are met.
Having full flexibility whilst on-site is paramount and with the addition of a variable RCD test, the user can dial in any specific value required to safely conduct the test.
The NEW EV Test Equipment Range offers EV Charger Safety Verification.
Both the DL9120 and DL9130EV have DC capability, and the DL9130EV hosts additional EV and time-saving features such as Zmax (maximum Earth Loop) and Rmax (maximum R1+R2/R2) both designed to aid the user. The DL9130EV has a full 6mA RDC-DD test to indicate the DC safety protection is working on all modern EV chargers.
Excessive DC current on an RCD-protecting AC supply could result in the failure to trip when an AC fault occurs. For full EV verification, the DL9130EV can be switched to full Auto EV mode.
The EV Auto Sequence performs a cycle of full RCD tests checking the EV charger along with the Type A RCD. All results are then recalled simply at the press of a button.
ALL NEW – The DL9130EV has many new and exciting features critical to the safe verification of EVSE Charge Station Installation including a 6mA pure DC test for RDC-DD verification and a full EV testing sequence for verifying the DC protection provided by the EV charger, along with the Type A RCD protection.
The DL9130EVPVKIT, supplied with the DL9130EV and DLEV1 EVSE Adaptor, SL102 Irradiance Meter, and the DL6402 1000Amp AC/DC Clamp Meter. The kit has many new and exciting features critical to the safe verification of EVSE Charge Station Installation including a 6mA pure DC test for RDC-DD verification and a full EV testing sequence for verifying the DC protection provided by the EV charger. The Irradiance meter can measure up to 1999 W/m², and the 1000Amp Clamp meter can also measure up to 600V with it’s 30mm wide jaw opening.
The DL9130EVKIT, supplied with the DL9130EV and DLEV1 EVSE Adaptor has many new and exciting features critical to the safe verification of EVSE Charge Station Installation including a 6mA pure DC test for RDC-DD verification and a full EV testing sequence for verifying the DC protection provided by the EV charger.
The DLEV1 is a universal EVSE Charge Station Adaptor Kit that will simulate the Proximity Pilot (PP) States and Control Pilot (CP) States required to energise a free-standing or wall-mounted EV charger.
The DL9130EVKIT, supplied with the DL9130EV and DLEV1 EVSE Adaptor has many new and exciting features critical to the safe verification of EVSE Charge Station Installation including a 6mA pure DC test for RDC-DD verification and a full EV testing sequence for verifying the DC protection provided by the EV charger.
The DL9130EVPVKIT, supplied with the DL9130EV and DLEV1 EVSE Adaptor, SL102 Irradiance Meter, and the DL6402 1000Amp AC/DC Clamp Meter. The kit has many new and exciting features critical to the safe verification of EVSE Charge Station Installation including a 6mA pure DC test for RDC-DD verification and a full EV testing sequence for verifying the DC protection provided by the EV charger. The Irradiance meter can measure up to 1999 W/m², and the 1000Amp Clamp meter can also measure up to 600V with it’s 30mm wide jaw opening.
The DL9110 is also packed full of features, such as a Auto Start Loop & Continuity, the UK’s largest colour changing RGB LCD display screen indicating error, Auto RCD test with Ramp feature and has Full Range Protection if tester is accidentally connected to voltage on a dead test.
The DLEV1 is a universal EVSE Charge Station Adaptor Kit that will simulate the Proximity Pilot (PP) States and Control Pilot (CP) States required to energise a free-standing or wall-mounted EV charger.
ALL NEW – The DL9130EV has many new and exciting features critical to the safe verification of EVSE Charge Station Installation including a 6mA pure DC test for RDC-DD verification and a full EV testing sequence for verifying the DC protection provided by the EV charger, along with the Type A RCD protection.
Insulation/Continuity Tester – Large back lit digital display of test values. The double moulded case makes this instrument suitable for the most rugged applications.
Di-LOG 18th Edition Multifunction Testers are fully compliant to the latest standards set by BS7671 fitted with the latest instrument technology.
Di-log Insulation Testers fully meet the requirement set out in BS EN61557 offering high quality and accuracy across the range
Seaward’s PowerCheck 1557 is the most comprehensive combined 17th Edition and PAT checkbox in the UK. Offering the user full interim checking in addition to annual calibration
All Certificate Pads have duplicate copies for contractor and client offering a full range for all on-site applications. All certificates provide a clear simple format for completing certification to BS 7671.
All Certificate Pads have duplicate copies for contractor and client offering a full range for all on-site applications. All certificates provide a clear simple format for completing certification to BS 7671.
All Certificate Pads have duplicate copies for contractor and client offering a full range for all on-site applications. All certificates provide a clear simple format for completing certification to BS 7671.
All Certificate Pads have duplicate copies for contractor and client offering a full range for all on-site applications. All certificates provide a clear simple format for completing certification to BS 7671.
The NEW Di-LOG DLPK6780 CombiVolt 1 LED Voltage Indicator and Proving Unit kit is supplied packaged in our bespoke carry pouch used for the varification of a dead circuit.
The DLLOC3 18th Edition Professional Lockout kit is designed to give you the ability to safely Lockout any circuit within an existing or new domestic or light to medium commercial premises.
The NEW Di-LOG DLPK6790 CombiVolt 2 Digital Voltage Indicator and Proving Unit kit is supplied packaged in our bespoke carry pouch used for the varification of a dead circuit.
Compatible with all CombiVolt voltage testers and Lockout Kits.
The PU690 enables you to prove your 2 pole voltage indicator by supplying a 690V AC voltage to the two input terminals. With the inbuilt load of 200k ohms, at 690V the current is limited to 3.5mA.
Di-log’s new range of lockout kits incorporating our entry level Personal Lockout Kit to our Expert Lockout Kit for more commercial installations. With the latest amendment to the 17th Edition Guidance Note 2 – Amendment 3, lock off devices and “Safe Isolation” procedures are being enforced across the UK by all monitoring bodies.
Di-LOG’s complete range of Safe Isolation Test Equipment is leading the way in design, innovation and affordability.
The DLPK67xx Series Voltage Indicator Proving Unit Kits combined with the DLLOCx Series of Lockout & Tagout Kits. The range gives you complete flexibility in combining equipment to suit your “Safe Isolation” application and budget.
The ability to ‘Fully Isolate’ at a known voltage source safely conforming to ‘Protection Against Electric Shock’ and the Safe Isolation Procedure is critical to being able to work safely, protecting yourself and others around you.
The DLPKx series kits offer our award winning CombiVolt Voltage Detectors fully conforming to BS 61243-3:2014. Incorporating Auto Switch Voltage & Continuity and Single Pole detection, the CombiVolt Voltage Testers even operate when the batteries are depleted. The series also has a Non-Trip RCD Feature when testing between phase and protective earth.
The DLPK67xx series kits offer you the ability to ‘Prove Dead’ a known voltage source safely conforming to ‘Protection Against Electric Shock’. The DLPK67xx series kits offer our award winning CombiVolt Voltage Detectors fully conforming to BS 61243-3:2014, incorporating Auto Switch Voltage & Continuity and a Non Trip RCD Feature
New DL67xx Series CombiVolt Lockout Kits are designed to support the “Save Our Sparks” campaign and support industries applying and adapting the “Safe Isolation” policy within their business
Di-LOG’s range of voltage indicator proving units have been ergonomically designed for ease of use with a clear and simple method of proving the voltage circuit operation on 2 pole voltage testers
CombiVolt™ Voltage & Continuity Testers with Phase Rotation Test – The three-in-one testers with a rugged, ergonomically formed housing for perfect handling. Fully conformant to BS EN 64213-3:2015
The NEW CombiVolt 5 is a five-in-one tester with a rugged, ergonomically formed housing for perfect handling. With TRMS measurement, 200A current, Audible Continuity and a Backlit display, the DL6799 is the must have instrument for your toolbox.
The DL6770 is a voltage only voltage detector indicating if voltage is present above 12V with a maximum detection voltage of 400V AC/DC
CombiVolt™ Voltage & Continuity Testers with Phase Rotation Test – The three-in-one testers with a rugged, ergonomically formed housing for perfect handling. Fully conformant to BS EN 64213-3:2015
Compatible with all CombiVolt voltage testers and Lockout Kits.
The PU690 enables you to prove your 2 pole voltage indicator by supplying a 690V AC voltage to the two input terminals. With the inbuilt load of 200k ohms, at 690V the current is limited to 3.5mA.
The FLIR Thermal Studio Suite helps users manage thousands of thermal images and videos, whether they’re from a handheld thermal imaging camera, unmanned aircraft system (UAS), or optical gas imaging (OGI) camera. This subscription software offers the advanced processing features needed for predictive maintenance on critical components, system troubleshooting, and increased productivity. Add the optional […]
The FLIR Thermal Studio Suite helps users manage thousands of thermal images and videos, whether they’re from a handheld thermal imaging camera, unmanned aircraft system (UAS), or optical gas imaging (OGI) camera. This subscription software offers the advanced processing features needed for predictive maintenance on critical components, system troubleshooting, and increased productivity. Add the optional […]
The FLIR Si124-PD has the sensitivity and resolution needed to diagnose problems and find hidden deficiencies, even from a distance. The 800 x 480 true native resolution offers more than 380,000 points of measurement.
With the FLIR C5 in your pocket you’ll be ready anytime to find hot fuses, air leaks, plumbing issues, and more. Identifying hidden problems is easy with the 160 x 120 (19,200 pixels) true thermal imager, MSX® (Multi-Spectral Dynamic Imaging), 5-megapixel visual camera, and LED flashlight.
The FLIR Si124-LD has the sensitivity and resolution needed to diagnose problems and find hidden deficiencies, even from a distance. The 800 x 480 true native resolution offers more than 380,000 points of measurement.
The FLIR Si124 has the sensitivity and resolution needed to diagnose problems and find hidden deficiencies, even from a distance. The 800 x 480 true native resolution offers more than 380,000 points of measurement.
The FLIR ONE Pro simply connects to your smartphone or tablet via the charge connection, giving you the power to find invisible problems faster than ever. Combining a higher-resolution thermal sensor able to measure temperatures up to 400 °C (752 °F)with powerful measurement tools and report generation capability, the FLIR ONE Pro will work as hard as you do.
The FLIR Cx series is a full-featured, pocket-sized thermal cameras designed to be your
go-to tool, whether your work is building inspections, facilities maintenance,
HVAC, or electrical repair
FLIR E4, E5, E6, and E8 infrared cameras are powerful and extremely cost-effective, easy-to-use troubleshooting tools for building, electrical, and mechanical applications. Four resolution options are available (ranging from 80 x 60 IR pixels to 320 x 240) to fit the target size, working distance, and detail you require.
FLIR Exx series cameras offer the superior resolution and range performance
needed to quickly identify hot spots and discover potential points of failure in electrical distribution and mechanical systems.
FLIR offers three software tiers providing the capabilities users need at a range
of affordable prices. All three versions can directly access the FLIR Ignite library via
Wi-Fi for downloading stored images from the cloud.
FLIR industrial acoustic imaging camera range
FLIR’s High performance T-series
The FLIR Ex Pro series, sports robust thermal cameras designed for efficient use in building surveys, HVAC, automotive, and electrical/mechanical inspections. With FLIR’s patented MSX® enhancements, they allow quick problem identification. Touchscreen capabilities streamline workflow, enable photo editing, note addition, and direct file uploads to FLIR Ignite cloud, which is accessible from any device, FLIR Ignite facilitates easy image sharing with clients. Generate quick reports in FLIR Ignite or more advanced ones in the FLIR Thermal Studio.
Apollo PRO Bundle: Test n Tag PRO printer, labels, Bluetooth scanner, PAT Checkbox, 110V Adaptor & carry case. Compatible with Apollo 400+/500+/600+.
Manual PAT Testers with Data Logger – A fantastic value simple-to-use PAT tester with a comprehensive range of tests, data storage, label printing features and free datalogger software.
The Elite Bundle is Seawards Elite Bluetooth printer and scanner pack, offering a durable lithium iron powered printer for the most harsh environments.
With built-in risk assessment tools for any workplace hazard and a variety of testing and inspection reports including portable appliance testing, fire detection and alarms and emergency lighting; Apollo 600 offers an all-in-one solution to managing a risk-based approach to health and safety in any workplace, reducing the burden and ensuring compliance.
If you’re looking for a PAT tester with results storage, there are a lot of options to choose from and it can be confusing! The Apollo series of downloading PAT testers from Seaward offers everything from the simple and straightforward Apollo 400 to the more advanced Apollo 600 which incorporates an on-board camera and other advanced features.
The Apollo series PAT Testers are compatible with a range of accessories which help to speed up the process of asset recognition, testing and labelling.
13A Plug to 110V 16A connector
110V 16A Plug to IEC Lead (Extension Lead)
13A Plug to 110V 32A Connector
110V 32A Plug to IEC C13 (Extension Lead)
CCDL001 Carry Case
400V 4 Pin 63A to IEC C13 (Extension Lead)
13A Plug to 400V 5 Pin 32A Connector
400V 5 Pin 16A to IEC C13 (Extension Lead)
One roll of approx. 400 thermal portable appliance testing labels with a resistant finish, 52 x 25mm labels in size.
13A Plug to 400V 4 Pin 16A Connector
Universal PAT Testing Test Leads and lead set for converting the 13A socket to either 110V, 230V or 400V.
Introducing Seawards HV phasing sticks, designed to facilitate phase comparisons during the paralleling of two circuits without the need for voltage transformers or secondary wiring circuits.
Seawards digital HV phasing sticks are suitable for earthed neutral systems up to 33KV, providing a reliable phase angle comparison and indicating phase angle voltage at the intended point of circuit paralleling.
This unique test kit consists of a digital indicator, a phasing rod with resistor chains, and a detachable earth lead. The digital indicator can also be used separately from the phasing rod to measure the present voltage accurately.
Seawards HV potential indicators are ideal for earthed neutral systems. They come with digital or LED displays, offering versatility and durability to meet user demands. Accurate potential indicators are available for use on earthed neutral systems ranging from 11kV, 15kV, 19kV, 22kV to 33kV.
The Seaward proving units offer voltage indicating capabilities found in potential indicators, test lamps, and multimeters, all geared towards various applications within the electrical contracting, power utilities, and industrial engineering sectors. These proving units are designed to be self-powered and self-testing, eliminating the necessity for a known supply point or cumbersome test equipment.
Seaward offers a variety of voltage detectors, each equipped with simplified LED indications. Their specialized range of voltage detectors is known for its versatility and durability, capable of meeting all kinds of user demands.
The Seaward current measurement tools are designed to accurately measure current flow in overhead line systems and large diameter conductors and fuses. These specialized test equipment are capable of handling currents up to 2000 amps, making them ideal for use by power utilities globally. Their widespread adoption is a testament to their contribution in promoting productive and safe working practices in the field of electrical testing.
Introducing Seawards Safe Discharge Rods – specially designed for High Voltage Discharge. These instruments enable the secure and controlled damp discharge of residual charges on cables and equipment by effectively limiting the discharge current.
True RMS Auto Ranging Multimeter – This is the top of the range multimeter with a 6000 count high visibility back lit LCD display. A high precision multimeter offering accuracy, safety and reliability.
Compact Auto Ranging 1000V Multimeter – Compact auto ranging digital multimeter with 6000 count LCD display. Full protection on all ranges, safety category to CAT 111 600 V.
Double moulded housing with an oversized high contrast 2000 count LCD display. Manual ranging with current range up to 20A, temperature and frequency test.
The DL9200 Series of compact multimters offer feature packed instruments from manual ranging to 1000V auto ranging meter with a bar graph backlit display, temperature and and 10A current measurement.
The DL9300 series multimeters offer a highly accurate TRMS voltage and current readings with min/max and peak hold functions, making this the ideal multimeter for electrical engineers.
the DL9100 series of multimters offer a large feature packed instrument with the manual range capability to offer full user control with the clear rotary dial.
The FLIR Digital Multimeters with built in IGM are the most affordable multimeter with built-in thermal imaging in the UK — a must-have tool for commercial electricians, automation, electronics, and HVAC technicians.
The DL108 offers a Non contact- vibration, optical and acoustic indication of AC voltages between 24-1000V, boasting two selectable levels of detection, “High Voltage Mode” suitable for detecting domestic electrical supply and three-phase systems and a “Low Voltage Mode” designed for testing low-voltage motors (<90V), audio systems, arc welding equipment, cables with a thick layer of insulation and other weak electromagnetic AC signals.
The DL107 offers a Non contact- optical and acoustic indication of AC voltages between 24-1000V, boasting two selectable levels of detection, “High Voltage Mode” suitable for detecting domestic electrical supply and three-phase systems and a “Low Voltage Mode” designed for testing low-voltage motors (<90V), audio systems, arc welding equipment, cables with a thick layer of insulation and other weak electromagnetic AC signals.
PL107N Non Contact Voltage Indicator
Simply plug the adaptor into a 13A socket and safely, test without removing the socket from the wall.
The simple and reliable test for correct socket wiring.
The simple and reliable test for correct socket wiring.
Mini 200 Amp AC Clamp Meter – A compact clamp meter for use where access to cables is a problem.
True RMS Digital Power Clamp meter – The DL6409 is the ideal tester for measuring a wide range of electrical parameters. It is the ideal tester for identifying power quality issues in single phase and 3 phase systems.
1000 Amp AC/DC True RMS Digital Clamp Meter – The top of the range DL6414 provides True RMS reading on AC current and AC voltages allowing accurate measurement regardless of the wave form.
1000 Amp AC/DC Digital Clamp Meter – With inclusion of DC current temperature & capacitance readings, this clamp meter is the ideal all purpose instrument.
This combined full sized AC and leakage current is an ideal unit for both conventional current, voltage and resistance combined with 10uA Leakage Current range
1000 Amp AC True RMS Digital Clamp Meter – The top of the range DL6413 provides True RMS reading on AC current and AC voltages allowing accurate measurement regardless of the wave form.
The compact mini clamp meter range is for use where access to cables is a problem. This range of instruments fits neatly in the hand and with a clamp opening of 18 mm it is ideal for those instances where it is hard to reach cables.
The Professional range of clamp meters offer the ideal instrument for commercial and industrial applications where non linear loads are present. With the 4000 count LCD, the range provides clear and precise indication of readings in tight spaces.
The Professional range of TRMS clamp meters offer the ideal instrument for commercial and industrial applications where non linear loads are present. With the 40 segment analogue bar graph in addition to the 4000 count LCD, the DL6400 range provides clear and precise indication of readings.
Di-log’s Power Clamps are highly accurate True RMS and will measure up to 1500A AC/DC and 900kWh. With a large clamp opening of 55mm, the instruments offer full versatility for most industrial applications.
The DL6500 series of leakage current clamps offer accurate measurement of earth leakage down to a resolution of 100 μA enables the detection of nuisance tripping caused by faulty appliances or circuit faults resulting in current leakage to earth.
The FLIR Thermal Studio Suite helps users manage thousands of thermal images and videos, whether they’re from a handheld thermal imaging camera, unmanned aircraft system (UAS), or optical gas imaging (OGI) camera. This subscription software offers the advanced processing features needed for predictive maintenance on critical components, system troubleshooting, and increased productivity. Add the optional […]
The FLIR Thermal Studio Suite helps users manage thousands of thermal images and videos, whether they’re from a handheld thermal imaging camera, unmanned aircraft system (UAS), or optical gas imaging (OGI) camera. This subscription software offers the advanced processing features needed for predictive maintenance on critical components, system troubleshooting, and increased productivity. Add the optional […]
The FLIR Thermal Studio Suite helps users manage thousands of thermal images and videos, whether they’re from a handheld thermal imaging camera, unmanned aircraft system (UAS), or optical gas imaging (OGI) camera. This subscription software offers the advanced processing features needed for predictive maintenance on critical components, system troubleshooting, and increased productivity. Add the optional […]
The FLIR Thermal Studio Suite helps users manage thousands of thermal images and videos, whether they’re from a handheld thermal imaging camera, unmanned aircraft system (UAS), or optical gas imaging (OGI) camera. This subscription software offers the advanced processing features needed for predictive maintenance on critical components, system troubleshooting, and increased productivity. Add the optional […]
The FLIR Thermal Studio Suite helps users manage thousands of thermal images and videos, whether they’re from a handheld thermal imaging camera, unmanned aircraft system (UAS), or optical gas imaging (OGI) camera. This subscription software offers the advanced processing features needed for predictive maintenance on critical components, system troubleshooting, and increased productivity. Add the optional […]
Sonel MZC-330S – operating voltages up to 690V AC, ideal for testing on renewables such as windfarms.
1000 Amp AC/DC Digital Clamp Meter – With inclusion of DC current temperature & capacitance readings, this clamp meter is the ideal all purpose instrument.
Sonel PVM-1530 – Sonel PVM-1530 is for photovoltaic installations up to 1500 V with a substantial number of measurement functions.
Type 4 MC4 Tool Kit
Expert Solar Thermal Test & Maintenance Kit
Advanced Irradiance Meter with built-in DMM
Irradiance Meters
Solar Test Kits
Solar Thermal Test Kit
DC Clamp Meters
Solar Accessories
Solar Tools
Laser Distance Meter
Colour Video Boroscope
The FLIR Thermal Studio Suite helps users manage thousands of thermal images and videos, whether they’re from a handheld thermal imaging camera, unmanned aircraft system (UAS), or optical gas imaging (OGI) camera. This subscription software offers the advanced processing features needed for predictive maintenance on critical components, system troubleshooting, and increased productivity. Add the optional […]
Digital Moisture Meter
Cable Locator Set – Complete set comprising transmitter & receiver
The FLIR Thermal Studio Suite helps users manage thousands of thermal images and videos, whether they’re from a handheld thermal imaging camera, unmanned aircraft system (UAS), or optical gas imaging (OGI) camera. This subscription software offers the advanced processing features needed for predictive maintenance on critical components, system troubleshooting, and increased productivity. Add the optional […]
50M Test Lead Extension (Green)
Fused Safety Lead Set
Thermocouple Wire Probe
Test Lead Set for MC4 & Type 4 Connectors
Heavy Duty Surface Probe
3 Wire Lead Set for Multifunction Testers including 9073 & 9083P
18th Edition Lead Sets designed to meet the required standards in BS7671: 18th Edition and BS EN 61557
Multimeter & Clamp Meter Lead Sets
Solar Lead Sets
Temperature Probes
The FLIR Thermal Studio Suite helps users manage thousands of thermal images and videos, whether they’re from a handheld thermal imaging camera, unmanned aircraft system (UAS), or optical gas imaging (OGI) camera. This subscription software offers the advanced processing features needed for predictive maintenance on critical components, system troubleshooting, and increased productivity. Add the optional […]
Class 2 Digital Sound Level Meter c/w data logger
Digital LED Light Meter with Bluetooth Data Logging
Infrared Thermometer
The FLIR Thermal Studio Suite helps users manage thousands of thermal images and videos, whether they’re from a handheld thermal imaging camera, unmanned aircraft system (UAS), or optical gas imaging (OGI) camera. This subscription software offers the advanced processing features needed for predictive maintenance on critical components, system troubleshooting, and increased productivity. Add the optional […]
Digital Light Meter
Temperature & Humidity
Lux & Light Meters
Sound Level Meters
Di-LOG offer a range of Air Quality and Air Flow Meters to service to help reduce the risk of infection via aerosols. A reduction in the aerosols therefore exists predominantly in rooms which are not subiciently ventilated or in which no air exchange is possible.
Environmental Meters
The Di-LOG DL7206 microwave leakage detector quickly and easily checks your microwave and microwave leakage
Non Contact Phase & Motor Rotation Tester
Phase Rotation Tester
Lamp Tester
PU250 Insulation/Continuity Tester Proving Unit – The PU250 allows simple and quick check of insulation resistance and continuity for all makes of I/R testers.
Thermo Anemometer – Digital Air Flow Meter c/w CMM & CFM calculculation
The Di-Log DL1093 offers an accurate instrument to detect either wood, Metal or live cables behind studwork
6-in-1 Environment Meter c/w multimeter function
ALL NEW – The ALL NEW DL9118 multifunction tester has been designed to fully comply with the testing requirements of the 18th Edition. It also incorporates many of the features that we have come to expect with modern MFTs. It is designed to be worn around the neck with a comfortable harness, for easy function selecting and testing.