Compel Groupgroup

Testing Equipment

265 products available

Looking for professional testing equipment to maintain industrial systems and electrical installations? Compel supplies a comprehensive range of test equipment designed for diagnostic accuracy, preventative maintenance, and facility safety. Our catalog serves electrical contractors, MRO teams, and industrial technicians who require reliable field instruments. From non-contact voltage detectors to high-resolution inspection scopes, we stock tools that withstand daily industrial deployment.

We source our electrical test equipment and diagnostic tools directly from trusted manufacturers to ensure consistent performance. Industrial facilities rely on Compel for rapid dispatch, verified technical specifications, and the support needed to minimize system downtime. Secure your operations with instruments calibrated for precise field metrics.

265 products in Testing Equipment

Products

Inductive wood moisture meter, a non-contact pinless hygrometer for timber.

Testing Equipment

Inductive Wood Moisture Meter | Non-Contact Pinless Hygrometer | Timber & Wall Damp Detector

CMP-01352TEST-00134
£77.99
Digital wood moisture meter with pin and pinless testing capabilities.

Testing Equipment

Digital Wood Moisture Meter | Pin & Pinless | 0-99.9% Timber Humidity Tester

CMP-01354TEST-00135
£157.99
Digital wood moisture meter with a large LCD display.

Testing Equipment

Digital Wood Moisture Meter | Large LCD Display | Wall Moisture Detector

CMP-01356TEST-00136
£52.99
Digital sound level meter for A-weighted decibel measurement.

Testing Equipment

Digital Sound Level Meter | A-Weighted Decibel Measurement | 30-130dB Audio Monitor

CMP-01360TEST-00137
£44.99
Digital sound level meter with a 30-130dB range.

Testing Equipment

Sound Level Meter | Digital Decibel Tester | 30-130dB Range

CMP-01361TEST-00138
£101.99
Digital decibel meter displaying a sound level within the 30-130dB range.

Testing Equipment

Sound Level Meter | Digital Decibel Meter | 30-130dB Range

CMP-01362TEST-00139
£93.99
Digital sound level meter with a 30-130 dB range for testing equipment.

Testing Equipment

Digital Sound Level Meter | 30-130 dB Range | UT353/UT353BT Decibel Meter

CMP-01363TEST-00140
£93.99
Digital sound level meter, wall-mounted, with a 30-130dBA range.

Testing Equipment

Digital Sound Level Meter | Wall Mount Decibel Monitor | 30-130dBA Range

CMP-01364TEST-00141
£185.99
Digital sound level meter showing a decibel range of 30-130dB.

Testing Equipment

Digital Sound Level Meter | 30-130dB Decibel Range | Noise Measurement Tool

CMP-01365TEST-00142
£42.99
Wall-mounted decibel monitor displaying sound levels from 30 to 130dB.

Testing Equipment

Sound Level Meter | Wall Mount Decibel Monitor | 30-130dB Range

CMP-01366TEST-00143
£164.99
Portable sound level meter for reading decibels, A-weighted 30-130 dB.

Testing Equipment

Sound Level Meter | Portable Decibel Reader | A-Weighted 30-130 dB

CMP-01367TEST-00144
£72.99
Digital sound level meter with a 30-130dB decibel range for noise measurement.

Testing Equipment

Digital Sound Level Meter | 30-130dB Decibel Range | Noise Measurement Tool

CMP-01368TEST-00145
£42.99
Portable digital sound level meter for measuring noise from 30-130dB.

Testing Equipment

Digital Sound Level Meter | Portable Decibel Reader | 30-130dB Noise Measurement

CMP-01369TEST-00146
£72.99
Digital tachometer hour meter with LCD display and thermometer for engines.

Testing Equipment

Digital Tachometer Hour Meter | LCD Display with Thermometer | For Engines & Equipment

CMP-01370TEST-00147
£163.99
Digital laser tachometer, a non-contact RPM meter with a 2.5-99,999 RPM range.

Testing Equipment

Digital Laser Tachometer | Non-Contact RPM Meter | 2.5-99,999 RPM Range

CMP-01371TEST-00148
£68.99
Digital tachometer and hour meter with an LCD display for engines.

Testing Equipment

Digital Tachometer & Hour Meter | LCD Display for 2/4 Stroke Engines | RPM Gauge

CMP-01375TEST-00149
£44.99
Digital tachometer with a large screen display for testing equipment.

Testing Equipment

Digital Tachometer | Large Screen Display | For Chainsaws & Lawn Mowers

CMP-01377TEST-00150
£58.99
Digital inductive tachometer and hour meter for small engines, with a waterproof display.

Testing Equipment

Inductive Tachometer | Hour Meter for Small Engines | Digital Display, Waterproof

CMP-01384TEST-00151
£42.99
Digital laser tachometer, a non-contact RPM meter with a 2.5-99,999 RPM range.

Testing Equipment

Digital Laser Tachometer | Non-Contact RPM Meter | 2.5-99,999 RPM Range

CMP-01385TEST-00152
£58.99
Digital inductive tachometer and hour meter for small engines, with a clip-on design.

Testing Equipment

Inductive Tachometer | Digital Hour Meter for Small Engines | Waterproof, Clip-On

CMP-01388TEST-00153
£43.99
Digital inductive tachometer and hour meter for small gas engines, with clip-on design.

Testing Equipment

Inductive Tachometer | Digital Hour Meter for Small Gas Engines | Clip-On, Waterproof

CMP-01392TEST-00154
£45.99
Digital laser tachometer for non-contact RPM measurement, with a backlit LCD.

Testing Equipment

Digital Laser Tachometer | Non-Contact RPM Measurement | 2.5-99999 RPM with Backlit LCD

CMP-01395TEST-00155
£77.99
Digital tachometer and hour meter with LCD display for 2/4 stroke engines.

Testing Equipment

Digital Tachometer & Hour Meter | LCD Display for 2/4 Stroke Engines | Gasoline Engine RPM Gauge

CMP-01400TEST-00156
£41.99
Automotive battery tester for 12V and 6V car batteries, analysing cranking and charging systems.

Testing Equipment

12V 6V Car Battery Tester | Automotive Cranking & Charging System Analyzer | BM580 Model

CMP-01403TEST-00157
£72.99
Digital laser tachometer, a non-contact RPM meter with a 2.5-99,999 RPM range.

Testing Equipment

Digital Laser Tachometer | Non-Contact RPM Meter | 2.5-99,999 RPM Range

CMP-01404TEST-00158
£41.99
12V 24V car battery tester with a 6 LED display for auto voltage circuit analysis.

Testing Equipment

12V 24V Car Battery Tester | Auto Voltage Circuit Analyzer | 6 LED Display

CMP-01408TEST-00159
£45.99
12V car battery tester displaying health and capacity readings.

Testing Equipment

Car Battery Tester | 12V Battery Health & Capacity | Quick Fault Scan

CMP-01409TEST-00160
£42.99
Car battery tester for 6V, 12V, and 24V batteries, with 100-2000 CCA analysis.

Testing Equipment

Car Battery Tester | 6V 12V 24V Battery Analyzer | 100-2000 CCA Auto Diagnostic Tool

CMP-01411TEST-00161
£91.99

Showing page 5 of 10 (265 products)

Selecting Lens Diameters and IP Ratings for Inspection Cameras

When selecting borescopes and endoscopes for industrial inspections, lens diameter dictates access. A 5.5mm lens fits tight machinery tolerances and narrow conduits, while a 7.0mm lens offers stable positioning in wider runs. Soft wire configurations allow the camera to navigate complex pipe bends with ease.

Water resistance is critical for harsh environments. Inspecting wet conduits, plumbing lines, or chemical storage areas requires an IP67 waterproof rating. This specification ensures the camera head and cable remain sealed against dust and temporary liquid immersion.

  • 5.5mm lenses: Ideal for tight engine bays, narrow conduits, and intricate valve assemblies.
  • 7.0mm lenses: Best for general wall cavity, HVAC duct, and larger pipe inspections.
  • IP67 rating: Ensures protection against dust ingress and immersion in water up to 1 meter.

Determining Voltage Range and Safety Ratings for Electrical Test Equipment

Safety dictates your choice of electrical test equipment. For quick verification, non-contact voltage tester pens offer safe, rapid diagnostics. Choose a wide-range pen (12-1000V) to locate breakpoints in low-voltage control circuits as well as mains supply. For standard commercial outlets, a 90-1000V tester is sufficient.

For high-voltage environments, select tools rated for CAT III 1000V to protect technicians from transient surges. When detailed troubleshooting is required, digital multimeters and clamp meter devices provide precise AC/DC current and voltage measurements alongside non-contact detection.

  • Low-voltage detection (12-1000V AC): Essential for control wiring, thermostats, and industrial signal lines.
  • Standard mains detection (90-1000V AC): Suited for commercial outlets, lighting panels, and branch circuits.
  • CAT III 1000V rating: Required safety standard for testing distribution panels and industrial feeder circuits.

Specifying Water Quality Testers for Industrial Utilities

Process water, cooling towers, and wastewater systems require constant monitoring to prevent system corrosion and scaling. Choose digital water quality testers that combine pH and Total Dissolved Solids (TDS) measurement in a single unit. Automatic calibration saves field time and guarantees accuracy across the entire 0-14 pH spectrum and up to 9990 ppm TDS range.

  • pH Range (0-14): Crucial for chemical process monitoring and effluent treatment validation.
  • TDS Range (0-9990 ppm): Measures total dissolved solids to determine water purity and mineral concentration.

Buying guide

Choosing Testing Equipment

Which USB-C borescope camera is compatible with my existing field hardware?
Our inspection cameras support both Android devices and PCs. Ensure your mobile device supports USB OTG (On-The-Go) and UVC (USB Video Class) standards to receive the live feed directly without external power.
What safety rating do I need for testing commercial electrical panels?
For testing outlets and panels inside commercial buildings, use tools with at least a CAT III 1000V safety rating. This standard ensures the tester can handle high-voltage transients without risking injury to the operator.
When should I use a 12-1000V tester versus a 90-1000V tester?
Choose a 12-1000V tester if you work with low-voltage industrial control systems, security circuits, or thermostat wiring. Use a 90-1000V tester for standard commercial mains, distribution panels, and high-voltage outlet testing.
How does a non-contact voltage tester assist in finding cable breakpoints?
A non-contact pen-style tester detects the electrostatic field around energized AC conductors. By tracing along an insulated wire, the visual and audible indicators will cease at the exact point where the internal conductor is severed.
How do I maintain accuracy on digital pH and TDS water quality testers?
Digital water quality testers require regular calibration using standard reference buffers to prevent electrode drift. Always rinse the sensor probe in deionized water after testing high-ppm solutions to prevent scale buildup on the glass electrode.

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