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

Decibel Meter Kit, complete with accessories.

Testing Equipment

Decibel Meter Kit | Sound Level Measurement | Industrial Acoustic Tool

CMP-03025TEST-00268
$38.95
Sound Level Meter 8852, a grey and black handheld device.

Testing Equipment

Sound Level Meter 8852 | 1.4dB Accuracy & USB Recorder | 30~130dB Range

CMP-02810TEST-00260
$429.99
4-in-1 WiFi Sound Level Meter, front view.

Testing Equipment

4-in-1 WiFi Sound Level Meter | Temp, Humidity, Decibel Alarm | APP Control

CMP-02790TEST-00259
$98.99
TA650A Sound Level Meter, front view.

Testing Equipment

TA650A Sound Level Meter | 30-130dBA High-Precision | Industrial & Household Use

CMP-02780TEST-00258
$44.95
FNIRSI FDM-02 Sound Level Meter, a compact device.

Testing Equipment

FNIRSI FDM-02 Sound Level Meter | 30-130dB A/C Weighted | Handheld Decibel Meter

CMP-02754TEST-00257
$86.99
SNDWAY SW-523 Sound Level Meter, front view.

Testing Equipment

SNDWAY SW-523 Sound Level Meter | Handheld dB Noise Audio Tester | Digital Decibel Monitor

CMP-02751TEST-00256
$80.99
Sound level meter, a standalone device.

Testing Equipment

Sound Level Meter | 43,000 Data Storage | Digital Handheld Decibel Meter

CMP-02734TEST-00255
$85.99
Sound Level Meter Datalogger, a handheld device.

Testing Equipment

Sound Level Meter Datalogger | 43000 Data Set | 30-130dB Range, Visual Alarm

CMP-02724TEST-00254
$96.99
HT622 Sound Level Meter, front view.

Testing Equipment

HT622 Sound Level Meter | 30-130dBA Noise Measurement | Portable Decibel Meter

CMP-02700TEST-00253
$68.99
Decibel meter, a handheld device with a display and microphone.

Testing Equipment

Decibel Meter | 31,000 Data Record & Hi/Lo Alarm | A/C Weighted, Colour Display

CMP-02565TEST-00252
$70.99
Decibel meter, a handheld device.

Testing Equipment

Decibel Meter | Large LED Display | Noise, Temp & Humidity Monitor

CMP-02500TEST-00251
$112.99
Decibel meter.

Testing Equipment

Decibel Meter | 30-130dB A/C Weighting | Data Analyzable Noise Tester

CMP-02334TEST-00249
$72.99
SNDWAY SW-525A/B/G Decibel Meter, front view.

Testing Equipment

SNDWAY SW-525A/B/G Decibel Meter | Wall Mount/Handheld 130dB | Data Storage

CMP-02326TEST-00248
$107.99
Decibel Meter NF-562S, front view.

Testing Equipment

Decibel Meter NF-562S | High-Precision Digital Display | 30-130dB Noise Measurement

CMP-02322TEST-00247
$50.99
Digital Decibel Meter, front view.

Testing Equipment

Digital Decibel Meter | 30-130dB Range | Portable Noise Detector

CMP-02293TEST-00245
$50.99
SWEVY Decibel Meter, front view, showing display and buttons.

Testing Equipment

SWEVY Decibel Meter | 30-130dB Portable Sound Tester | Colour Screen

CMP-02285TEST-00244
$47.95
Level Meter Calibrator, a compact device for precise sound measurement.

Testing Equipment

Level Meter Calibrator | 94/114dB Output | For 1/2-inch Microphones

CMP-02194TEST-00243
$144.99
10-in-1 Water Quality Meter | pH, EC, TDS, ORP, Salinity, Temperature | For Aquariums, Pools, Hydroponics - Professional Grade Tool

Testing Equipment

10-in-1 Water Quality Meter | pH, EC, TDS, ORP, Salinity, Temperature | For Aquariums, Pools, Hydroponics

CMP-01211TEST-00052
$88.99
5-in-1 Water Quality Tester | pH, ORP, H2, Temperature, Chlorine | Pool & Spa Maintenance - Professional Grade Tool

Testing Equipment

5-in-1 Water Quality Tester | pH, ORP, H2, Temperature, Chlorine | Pool & Spa Maintenance

CMP-01213TEST-00053
$51.99
Digital Water Quality Tester | pH, TDS, EC, Temperature Meter | For Pools, Drinking Water, Aquariums - Professional Grade Tool

Testing Equipment

Digital Water Quality Tester | pH, TDS, EC, Temperature Meter | For Pools, Drinking Water, Aquariums

CMP-01214TEST-00054
$67.99
pH Meter Pen | Water Quality Tester for Aquariums & Labs | 0.01 pH Resolution - Professional Grade Tool

Testing Equipment

pH Meter Pen | Water Quality Tester for Aquariums & Labs | 0.01 pH Resolution

CMP-01215TEST-00055
$70.99
Digital Water Quality Tester | PH & TDS Meter | 0-14 PH, 0-9990 PPM - Professional Grade Tool

Testing Equipment

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

CMP-01216TEST-00056
$9.95
Digital pH Meter | Water Quality Tester | 0-9999 PPM for Hydroponics & Pools - Professional Grade Tool

Testing Equipment

Digital pH Meter | Water Quality Tester | 0-9999 PPM for Hydroponics & Pools

CMP-01217TEST-00057
$12.99
Bluetooth pH Meter | 5-in-1 Water Quality Tester | TDS, Temp, EC, SG, Salinity Analyzer - Professional Grade Tool

Testing Equipment

Bluetooth pH Meter | 5-in-1 Water Quality Tester | TDS, Temp, EC, SG, Salinity Analyzer

CMP-01218TEST-00058
$69.99
Digital pH Meter | 0.01 Accuracy for Water Testing | 0-14 pH Range - Professional Grade Tool

Testing Equipment

Digital pH Meter | 0.01 Accuracy for Water Testing | 0-14 pH Range

CMP-01220TEST-00059
$10.99
Digital pH & Chlorine Meter | Water Quality Tester for Pools & Spas | PC-101 Model - Professional Grade Tool

Testing Equipment

Digital pH & Chlorine Meter | Water Quality Tester for Pools & Spas | PC-101 Model

CMP-01221TEST-00060
$23.95
Digital pH Meter | 0.01 Accuracy | 0-14 pH Range for Water Testing - Professional Grade Tool

Testing Equipment

Digital pH Meter | 0.01 Accuracy | 0-14 pH Range for Water Testing

CMP-01222TEST-00061
$14.99
Digital Water Quality Tester | 5-in-1 pH, TDS, EC, Salinity, Temperature Meter | Backlit Display for Aquariums - Professional Grade Tool

Testing Equipment

Digital Water Quality Tester | 5-in-1 pH, TDS, EC, Salinity, Temperature Meter | Backlit Display for Aquariums

CMP-01223TEST-00062
$42.95

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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.