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

Digital pH Meter | Automatic 0.01 Resolution | Water Quality Tester for Aquariums & Pools - Professional Grade Tool

Testing Equipment

Digital pH Meter | Automatic 0.01 Resolution | Water Quality Tester for Aquariums & Pools

CMP-01224TEST-00063
$7.95
Digital pH Meter | Water Quality Tester for Pools & Hydroponics | 0-14pH Range - Professional Grade Tool

Testing Equipment

Digital pH Meter | Water Quality Tester for Pools & Hydroponics | 0-14pH Range

CMP-01225TEST-00064
$11.99
Digital Soil Tester | 6-in-1 Backlit Meter for pH, Temp, Moisture, Fertility, Light - Professional Grade Tool

Testing Equipment

Digital Soil Tester | 6-in-1 Backlit Meter for pH, Temp, Moisture, Fertility, Light

CMP-01227TEST-00065
$34.95
AC Manifold Gauge Set | 4-Way Valve & 5ft Hoses | For R134A, R22, R12, R410A Systems - Professional Grade Tool

Testing Equipment

AC Manifold Gauge Set | 4-Way Valve & 5ft Hoses | For R134A, R22, R12, R410A Systems

CMP-01228TEST-00066
$89.99
Soil PH Meter | 4-in-1 Soil Tester for Moisture, Temperature, Light | Acidity Analysis - Professional Grade Tool

Testing Equipment

Soil PH Meter | 4-in-1 Soil Tester for Moisture, Temperature, Light | Acidity Analysis

CMP-01230TEST-00067
$14.99
Digital pH & TDS Meter | Water Quality Tester for Hydroponics & Aquariums | 0-14 pH, 0-9990 PPM - Professional Grade Tool

Testing Equipment

Digital pH & TDS Meter | Water Quality Tester for Hydroponics & Aquariums | 0-14 pH, 0-9990 PPM

CMP-01231TEST-00068
$5.95
TDS & pH Meter | Digital Water Quality Tester | 0-9990ppm, 0.01 pH Accuracy - Professional Grade Tool

Testing Equipment

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

CMP-01232TEST-00069
$9.95
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-01236TEST-00070
$27.95
Digital Tire Pressure Gauge | LCD Display | 0-150 PSI for Cars & Trucks - Professional Grade Tool

Testing Equipment

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

CMP-01239TEST-00071
$40.95
Digital Manometer | Dual-Port Gas Pressure Tester | 12 Units of Measurement - Professional Grade Tool

Testing Equipment

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

CMP-01242TEST-00072
$82.99
Digital Tire Pressure Gauge | LCD Display, 0-150 PSI | Cars, Trucks, Motorcycles, Bicycles - Professional Grade Tool

Testing Equipment

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

CMP-01246TEST-00073
$7.95
Digital Refrigeration Gauge | HVAC Vacuum Pressure & Temperature Test Kit | Multi-function - Professional Grade Tool

Testing Equipment

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

CMP-01249TEST-00074
$158.99
Digital Refrigeration Gauge | HVAC Vacuum Pressure Tester | Temperature Detector Kit - Professional Grade Tool

Testing Equipment

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

CMP-01251TEST-00075
$151.99
Digital Tire Pressure Gauge | Quick Clip Air Chuck | Car, Motorcycle, Bicycle, RV - Professional Grade Tool

Testing Equipment

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

CMP-01253TEST-00076
$17.99
Digital Tire Pressure Gauge & Inflator | LCD Display with Backlight | 1/4" NPT, 1/8" NPT - Professional Grade Tool

Testing Equipment

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

CMP-01255TEST-00077
$14.99
USB-C Inspection Camera | Waterproof 7mm Borescope | Android & PC Compatible with 6 LEDs - Professional Grade Tool

Testing Equipment

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

CMP-01259TEST-00078
$14.99
Articulating Borescope Camera | 360° Steering Endoscope | 1080P Inspection for Automotive - Professional Grade Tool

Testing Equipment

Articulating Borescope Camera | 360° Steering Endoscope | 1080P Inspection for Automotive

CMP-01260TEST-00079
$130.99
Articulating Borescope | 1080P Inspection Camera with 4.3" LCD | 6.0mm Probe for Automotive - Professional Grade Tool

Testing Equipment

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

CMP-01261TEST-00080
$128.99
Android Endoscope Camera | USB-C & Micro USB Borescope | 5.5mm Waterproof Inspection Camera - Professional Grade Tool

Testing Equipment

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

CMP-01262TEST-00081
$12.99
Industrial Endoscope Camera | 1080P LCD Borescope | 8mm IP67 Waterproof Inspection Camera - Professional Grade Tool

Testing Equipment

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

CMP-01263TEST-00082
$56.99
Industrial Endoscope Camera | 4.3-inch Screen | Inspection Borescope - Professional Grade Tool

Testing Equipment

Industrial Endoscope Camera | 4.3-inch Screen | Inspection Borescope

CMP-01264TEST-00083
$70.99
USB-C & Micro USB Endoscope Camera | 5.5mm Waterproof Inspection Camera | For Android & PC Device Diagnostics - Professional Grade Tool

Testing Equipment

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

CMP-01265TEST-00084
$12.99
Industrial Endoscope Camera | Dual Port for iOS/Android | 960P Inspection Borescope - Professional Grade Tool

Testing Equipment

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

CMP-01266TEST-00085
$17.99
USB-C Endoscope Camera | 5.5mm Lens for Android & PC | Flexible Inspection Borescope with 6 LEDs - Professional Grade Tool

Testing Equipment

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

CMP-01267TEST-00086
$10.99
4.3-inch Industrial Endoscope Camera | 1920P Single Lens Borescope | Auto/Sewer/Pipe Inspection - Professional Grade Tool

Testing Equipment

4.3-inch Industrial Endoscope Camera | 1920P Single Lens Borescope | Auto/Sewer/Pipe Inspection

CMP-01268TEST-00087
$59.99
USB Borescope Camera | 5.5mm Inspection Scope for Android | IP67 Waterproof with 6 LEDs - Professional Grade Tool

Testing Equipment

USB Borescope Camera | 5.5mm Inspection Scope for Android | IP67 Waterproof with 6 LEDs

CMP-01269TEST-00088
$12.99
USB-C Endoscope Camera | 7.0mm IP67 Waterproof Inspection Camera | Android & PC Compatible - Professional Grade Tool

Testing Equipment

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

CMP-01270TEST-00089
$12.99
Inspection Camera with Light | 4.3-inch Screen | 1080P Borescope for Mechanics - Professional Grade Tool

Testing Equipment

Inspection Camera with Light | 4.3-inch Screen | 1080P Borescope for Mechanics

CMP-01271TEST-00090
$41.95

Showing page 3 of 10 (266 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.