Compel Groupgroup

Testing Equipment

266 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.

266 products in Testing Equipment

Power Surge Protective Device SPD Arrester for low voltage home electrical panels, showing 1 to 4 pole DC surge voltage protection up to 1000V.

Testing Equipment

Surge Protector for Home & Office | 40kA-60kA Capacity | 1 to 4 Pole Low Voltage SPD

TBS-03354TEST-00030
$12.99
TOMZN TOSVA-16 Automatic Voltage and Current Protector Socket with adjustable settings for 110V-220V and 16A surge protection.

Testing Equipment

Surge Protector Power Strip | 16A Adjustable Voltage Protector | 110V-220V AC | TOSVA-16

TBS-03356TEST-00031
$17.99
EPM6700 AC Energy Power Meter with 60A transformer for home energy monitoring, showing digital display and temperature sensor.

Testing Equipment

Smart Home Energy Monitor | AC Power Meter with Temperature Sensor | 60A/120A Transformer

TBS-03412TEST-00032
$74.99
Tuya WiFi DIN Rail Energy Meter with digital display, monitoring AC 50-320V electricity usage, voltage, current, and power curves.-36%

Testing Equipment

Smart WiFi Energy Monitor | 100A AC Power Meter | Real-Time Voltage & Current Display | GR2PW

TBS-03460TEST-00033
$89.99$139.88
Smartlife TUYA WIFI Circuit Breaker 63A with energy monitoring and timer, featuring voltage, current, and leakage protection for 110V/220V.

Testing Equipment

WiFi Circuit Breaker | 63A 220V/110V | Energy Monitor with Leakage & Voltage Protection

TBS-03517TEST-00034
$53.99
Digital display over under voltage protective device with circuit breaker, showing 40A/63A rating for 220V household electrical protection.

Testing Equipment

Voltage Protector | 220V Home Circuit Breaker with Digital Display | 40A/63A Over-Current Protection

TBS-03522TEST-00035
$30.95
Digital display over under voltage protector with circuit breaker, 40A/63A rating for 220V household electrical safety.-27%

Testing Equipment

Voltage Protector | 220V Home Circuit Breaker | 40A/63A Digital Display Surge Guard

TBS-03555TEST-00036
$19.99$27.47
Rayne's World 30-300 Amp manual reset circuit breaker for 12-48V DC systems, featuring a waterproof black casing with silver terminals.

Testing Equipment

30-300 Amp Circuit Breaker | 12-48V DC Manual Reset | Waterproof for Marine, RV & Solar Systems

TBS-03564TEST-00037
$37.95
ANENG B04 insulated voltage tester pen with non-contact detection, neon bulb indicator, and slotted/phillips screwdriver tip.

Testing Equipment

Voltage Tester Pen | Non-Contact AC Detector & Screwdriver | Insulated Electrician Tool

TBS-02993TEST-00020
$12.99
Digital AC Voltmeter with Euro plug, measuring voltage from 50 to 500 volts for home or workshop electrical testing.

Testing Equipment

AC Voltage Tester | Plug-In Digital Voltmeter | 50-500V Range | No Wiring Required

TBS-02998TEST-00021
$5.95
ANENG 681 professional digital multimeter with large LCD screen, featuring AC/DC voltage, current testing, and non-contact voltage detection.-14%

Testing Equipment

Digital Multimeter | AC/DC Voltage & Current Tester | Rechargeable & Non-Contact Detection

TBS-00619TEST-00005
$49.99$58.46
VLUUKE DC Hipot Tester digital high voltage generator for withstand voltage and leakage current testing on surge arresters.

Testing Equipment

Hipot Tester | High Voltage Generator for Surge Arresters | Withstand & Leakage Current Test

TBS-00633TEST-00006
$1,817.99
NJTY T02A non-contact voltage tester pen with LCD screen, detecting live wire in an electrical outlet.-5%

Testing Equipment

Non-Contact Voltage Tester | Live Wire Detector | T02A Electrician's Tool

TBS-00634TEST-00007
$7.95$8.34
Intelligent ultrasonic thickness gauge with 5MHz frequency for high-accuracy measurement of metal and steel thickness from 1.2 to 300mm using non-destructive testing.

Testing Equipment

High-Accuracy Ultrasonic Thickness Gauge - 5MHz, 1.2-300mm Range for Metal & Steel Measurement

TBS-00258TOOL-00112
$369.99

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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.