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

Digital water quality tester for TDS and pH, with 0.01 pH accuracy.

Testing Equipment

TDS & pH Meter | Digital Water Quality Tester | 0-9990ppm, 0.01 pH Accuracy

CMP-01232TEST-00069
£31.99
Digital water quality tester and pH meter, measuring 0-14 pH.

Testing Equipment

Digital Water Quality Tester | PH & TDS Meter | 0-14 PH, 0-9990 PPM

CMP-01236TEST-00070
£35.99
Digital tyre pressure gauge with an LCD display, measuring 0-150 PSI.

Testing Equipment

Digital Tire Pressure Gauge | LCD Display | 0-150 PSI for Cars & Trucks

CMP-01239TEST-00071
£43.99
Digital manometer, a dual-port gas pressure tester with 12 units of measurement.

Testing Equipment

Digital Manometer | Dual-Port Gas Pressure Tester | 12 Units of Measurement

CMP-01242TEST-00072
£106.99
Digital tyre pressure gauge with an LCD display.

Testing Equipment

Digital Tire Pressure Gauge | LCD Display, 0-150 PSI | Cars, Trucks, Motorcycles, Bicycles

CMP-01246TEST-00073
£43.99
Digital refrigeration gauge for HVAC vacuum pressure and temperature testing.

Testing Equipment

Digital Refrigeration Gauge | HVAC Vacuum Pressure & Temperature Test Kit | Multi-function

CMP-01249TEST-00074
£310.99
Digital refrigeration gauge kit for HVAC vacuum pressure testing.

Testing Equipment

Digital Refrigeration Gauge | HVAC Vacuum Pressure Tester | Temperature Detector Kit

CMP-01251TEST-00075
£310.99
Digital tyre pressure gauge with a quick clip air chuck.

Testing Equipment

Digital Tire Pressure Gauge | Quick Clip Air Chuck | Car, Motorcycle, Bicycle, RV

CMP-01253TEST-00076
£64.99
Digital tyre pressure gauge and inflator with an LCD display.

Testing Equipment

Digital Tire Pressure Gauge & Inflator | LCD Display with Backlight | 1/4" NPT, 1/8" NPT

CMP-01255TEST-00077
£53.99
USB-C inspection camera, a waterproof 7mm borescope with 6 LEDs.

Testing Equipment

USB-C Inspection Camera | Waterproof 7mm Borescope | Android & PC Compatible with 6 LEDs

CMP-01259TEST-00078
£41.99
Articulating borescope with a 4.3-inch LCD screen and a 6.0mm probe.

Testing Equipment

Articulating Borescope | 1080P Inspection Camera with 4.3" LCD | 6.0mm Probe for Automotive

CMP-01261TEST-00080
£281.99
Android endoscope camera with USB-C and Micro USB borescope.

Testing Equipment

Android Endoscope Camera | USB-C & Micro USB Borescope | 5.5mm Waterproof Inspection Camera

CMP-01262TEST-00081
£48.99
1080P industrial endoscope camera with an 8mm waterproof inspection probe.

Testing Equipment

Industrial Endoscope Camera | 1080P LCD Borescope | 8mm IP67 Waterproof Inspection Camera

CMP-01263TEST-00082
£136.99
Industrial endoscope camera with a 4.3-inch screen for inspection.

Testing Equipment

Industrial Endoscope Camera | 4.3-inch Screen | Inspection Borescope

CMP-01264TEST-00083
£107.99
USB-C and Micro USB endoscope camera, 5.5mm waterproof inspection camera for Android and PC.

Testing Equipment

USB-C & Micro USB Endoscope Camera | 5.5mm Waterproof Inspection Camera | For Android & PC Device Diagnostics

CMP-01265TEST-00084
£49.99
Industrial endoscope camera with dual port for iOS and Android devices.

Testing Equipment

Industrial Endoscope Camera | Dual Port for iOS/Android | 960P Inspection Borescope

CMP-01266TEST-00085
£52.99
USB-C endoscope camera with a 5.5mm lens and six LEDs.

Testing Equipment

USB-C Endoscope Camera | 5.5mm Lens for Android & PC | Flexible Inspection Borescope with 6 LEDs

CMP-01267TEST-00086
£39.99
USB-C endoscope camera, 7.0mm IP67 waterproof inspection camera.

Testing Equipment

USB-C Endoscope Camera | 7.0mm IP67 Waterproof Inspection Camera | Android & PC Compatible

CMP-01270TEST-00089
£39.99
Industrial borescope with a 5-inch screen and dual 3.9mm and 6.0mm cameras.

Testing Equipment

5-inch Industrial Borescope | 3.9mm & 6.0mm Dual Camera | 1080P Inspection Camera

CMP-01272TEST-00091
£119.99
Circuit probe tester for 12V/24V AC/DC automotive electrical system diagnostics.

Testing Equipment

Circuit Probe Tester | 12V/24V AC/DC Automotive Electrical System Diagnostics | Breaker Finder

CMP-01275TEST-00093
£273.99
Spark plug tester with double hole ignition analysis, compatible with 12V, 110V, and 220V.

Testing Equipment

Spark Plug Tester | Double Hole Automotive Ignition Analyzer | 12V 110V 220V Compatible

CMP-01277TEST-00094
£72.99
Spark plug tester, an in-line engine diagnostic tool.

Testing Equipment

Spark Plug Tester | Ignition System Diagnostic Tool | In-Line Engine Test

CMP-01278TEST-00095
£36.99
Dual hole spark plug tester for automotive ignition analysis.

Testing Equipment

Spark Plug Tester | Dual Hole 13mm | 12V Automotive Ignition Analyzer

CMP-01279TEST-00096
£72.99
Sewer camera system with a 9-inch pipeline inspection camera.

Testing Equipment

Sewer Camera System | 512Hz Sonde Locator | 9" Pipeline Inspection Camera

CMP-01280TEST-00097
£1,754.99
USB power tester, a 10-in-1 voltmeter ammeter for 4.5-36V.

Testing Equipment

USB Power Tester | 10-in-1 Voltmeter Ammeter | 4.5-36V, 0-8A Charger Indicator

CMP-01281TEST-00098
£44.99
Double-hole spark plug tester, a 12V diagnostic tool for car and motorcycle engines.

Testing Equipment

Spark Plug Tester | 13mm Double Hole Diagnostic Tool | 12V for Car & Motorcycle Engines

CMP-01284TEST-00099
£83.99
Double-hole spark plug tester with adjustable 0-6000 RPM ignition system analysis.

Testing Equipment

Spark Plug Tester | Double Hole Ignition System Analyzer | 0-6000 RPM 110V/220V

CMP-01286TEST-00100
£96.99
Ethernet cable tester for RJ45 and RJ11 network and phone lines.

Testing Equipment

Ethernet Cable Tester | RJ45 RJ11 POE Anti-Burn | Network LAN Phone Line Tool

CMP-01287TEST-00101
£53.99

Showing page 3 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.

We use cookies. Some keep the store working, others show us what to fix. No third-party trackers, and we never sell your data. Learn more about cookies and your privacy