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

Car battery tester analysing a 12V/24V battery.

Testing Equipment

Car Battery Tester | 12V/24V Battery Analyzer | 10-2000 CCA Test & Print

CMP-01417TEST-00162
£204.99
Battery tester with printer, analysing cranking and charging systems.

Testing Equipment

12V/24V Battery Tester with Printer | Cranking & Charging System Analyzer | 10-2000 CCA

CMP-01424TEST-00163
£221.99
Car battery tester diagnosing 6V, 12V, and 24V battery faults.

Testing Equipment

Car Battery Tester | 6V 12V 24V Battery Fault Diagnosis | Charging System Scan Tool

CMP-01432TEST-00165
£125.99
Battery tester for 6V, 12V, and 24V vehicle systems.

Testing Equipment

Battery Tester | 6V 12V 24V Vehicles | Start Voltage & Charging Scan Tool

CMP-01433TEST-00166
£154.99
Car battery tester for 6V, 12V, and 24V batteries, with 100-2000 CCA testing.

Testing Equipment

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

CMP-01435TEST-00167
£84.99
Relay tester and car battery voltage analyser with LED indicator.

Testing Equipment

Relay Tester | Car Battery Voltage & Alternator Analyzer | 11-25V LED Indicator

CMP-01439TEST-00168
£61.99
Digital 12V battery tester with alligator clips for car and electrical systems.

Testing Equipment

12V Battery Tester | Digital Display with Alligator Clips | Car & Electrical Systems

CMP-01441TEST-00169
£45.99
A pipeline locator for diagnosing blockages in iron pipes.

Testing Equipment

512Hz Pipeline Locator | Plumbing Blockage Detector | Iron Pipe Diagnostic Tool

CMP-01443TEST-00170
£419.99
A metal detector pinpointer for treasure hunting with 360-degree scanning.

Testing Equipment

Metal Detector Pinpointer | Handheld Probe for Treasure Hunting | 360-Degree Scan, Waterproof

CMP-01444TEST-00171
£67.99
Metal detector and wall scanner with adjustable sensitivity for AC wires.

Testing Equipment

Metal Detector | Wall Scanner | Adjustable Sensitivity for AC Wires

CMP-01445TEST-00172
£55.99
Wall scanner and metal detector with a laser rangefinder.

Testing Equipment

Wall Scanner & Metal Detector | Stud Finder with Laser Rangefinder | Live Wire Detection

CMP-01446TEST-00173
£153.99
Wall scanner for detecting metal and wood studs.

Testing Equipment

Wall Scanner | Metal & Wood Stud Finder | AC Live Wire Detector

CMP-01448TEST-00174
£111.99
Wall scanner with a large sensor for non-metal detection.

Testing Equipment

Wall Scanner | Metal & AC Wire Detector | Large Sensor for Non-Metal

CMP-01449TEST-00175
£52.99
A stud finder and wall scanner with multi-sensor detection.

Testing Equipment

Stud Finder & Wall Scanner | Multi-Sensor Detection | AC, Metal, Wood

CMP-01450TEST-00176
£171.99
Electronic measuring tool, a 5-in-1 wall scanner for finding studs and wires.

Testing Equipment

5-in-1 Wall Scanner | Stud, Metal, Wood, AC Wire Finder | Electronic Measuring Tool

CMP-01452TEST-00177
£52.99
Handheld diving metal detector pinpointer probe for underwater searching.

Testing Equipment

Diving Metal Detector | Pinpointer Probe for Underwater Search | 4.2-inch Handheld

CMP-01455TEST-00178
£106.99
A yellow and black stud finder, a 3-in-1 wall scanner for detecting wood, metal, and AC wires.

Testing Equipment

Stud Finder | 3-in-1 Wall Scanner | Detects Wood, Metal, AC Wires

CMP-01457TEST-00179
£81.99
Wall scanner with a 7-in-1 electronic stud, metal, and AC wire detector.

Testing Equipment

Wall Scanner | 7-in-1 Electronic Stud, Metal, AC Wire Detector | LCD Display

CMP-01458TEST-00180
£83.99
Stud finder wall scanner with a TFT display and positioning hole.

Testing Equipment

Stud Finder Wall Scanner | TFT Display for Wood, AC Wire, Metal | WD01/WD02 Positioning Hole

CMP-01459TEST-00181
£159.99
Handheld metal detector and wall scanner for security inspections.

Testing Equipment

Handheld Metal Detector | Wall Scanner & Gold Finder | Portable Security Inspection Tool

CMP-01461TEST-00182
£72.99
A stud finder wall scanner for detecting wood, AC wires, and metal pipes.

Testing Equipment

Stud Finder Wall Scanner | 6-in-1 Multifunction Detector | Wood, AC Wire, Metal Pipes

CMP-01462TEST-00183
£82.99
Digital wall scanner with LCD display for detecting studs, wood, metal, and AC wires.

Testing Equipment

Digital Wall Scanner | 6-in-1 Stud, Wood, Metal, AC Wire Detector | LCD Display

CMP-01464TEST-00184
£62.99
Stud finder for wood, metal, and AC wire detection with depth measurement.

Testing Equipment

Stud Finder | Wood, Metal, AC Wire Detection | Wall Scanner & Depth Measurement

CMP-01465TEST-00185
£128.99
Handheld metal detector for pinpointing wall and ground objects.

Testing Equipment

Handheld Metal Detector | Pinpoint Wall & Ground Objects | Portable Security Scanner

CMP-01467TEST-00186
£72.99
A wall scanner for detecting studs, metal, and AC voltage, with a 38mm wood depth.

Testing Equipment

Wall Scanner | 4-in-1 Stud Finder, Metal, AC Voltage Detector | 38mm Wood Depth

CMP-01468TEST-00187
£177.99
Wall detector stud finder with a TFT display.

Testing Equipment

Wall Detector Stud Finder | TFT Display | AC Live Wires, Metal, Wood Detection

CMP-01472TEST-00188
£171.99
A metal detector wall scanner for finding live wires, metal, and wood studs.

Testing Equipment

Metal Detector Wall Scanner | Live Wire, Metal, Wood Stud Finder | WD-01/WD-02 Models

CMP-01473TEST-00189
£158.99
3-in-1 wall scanner, detecting metal, wood studs, and AC live wires.

Testing Equipment

3-in-1 Wall Scanner | Metal, Wood Stud, AC Live Wire Detector | Electric Box Finder

CMP-01480TEST-00190
£47.99

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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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