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

Non-Contact Voltage Tester | Live Wire & Breakpoint Detection | NCV Continuity Test - Professional Grade Tool

Testing Equipment

Non-Contact Voltage Tester | Live Wire & Breakpoint Detection | NCV Continuity Test

CMP-01570TEST-00204
$16.99
Non-Contact Voltage Tester Pen | Phillips & Slotted Screwdriver | 12-250V AC/DC - Professional Grade Tool

Testing Equipment

Non-Contact Voltage Tester Pen | Phillips & Slotted Screwdriver | 12-250V AC/DC

CMP-01571TEST-00205
$8.95
Electrician Test Pen | Non-Contact Voltage Tester | 70-600V AC Induction - Professional Grade Tool

Testing Equipment

Electrician Test Pen | Non-Contact Voltage Tester | 70-600V AC Induction

CMP-01574TEST-00206
$7.95
Non-Contact Voltage Tester Pen | AC 12-1000V Breakpoint Detector | Red/Green LED Indicator - Professional Grade Tool

Testing Equipment

Non-Contact Voltage Tester Pen | AC 12-1000V Breakpoint Detector | Red/Green LED Indicator

CMP-01575TEST-00207
$6.95
AC Voltage Detector Pen | Non-Contact 24V-1000V Indicator | Electrical Tester - Professional Grade Tool

Testing Equipment

AC Voltage Detector Pen | Non-Contact 24V-1000V Indicator | Electrical Tester

CMP-01576TEST-00208
$34.95
Non-Contact Voltage Tester Pen | Digital Voltmeter | USB Rechargeable Diode Meter - Professional Grade Tool

Testing Equipment

Non-Contact Voltage Tester Pen | Digital Voltmeter | USB Rechargeable Diode Meter

CMP-01577TEST-00209
$48.95
Non-Contact Voltage Tester Pen | AC Voltage Detector | 12-1000V Breakpoint Finder - Professional Grade Tool

Testing Equipment

Non-Contact Voltage Tester Pen | AC Voltage Detector | 12-1000V Breakpoint Finder

CMP-01578TEST-00210
$6.95
Non-Contact Voltage Tester Pen | Dual Mode 1000V AC | Electrical Circuit Detector - Professional Grade Tool

Testing Equipment

Non-Contact Voltage Tester Pen | Dual Mode 1000V AC | Electrical Circuit Detector

CMP-01579TEST-00211
$32.95
BSIDE A1 Voltage Tester Pen | Non-Contact AC/DC Multimeter with Breakpoint Detection | Auto Resistance & Hz - Professional Grade Tool

Testing Equipment

BSIDE A1 Voltage Tester Pen | Non-Contact AC/DC Multimeter with Breakpoint Detection | Auto Resistance & Hz

CMP-01580TEST-00212
$45.95
Non-Contact Voltage Tester | Digital AC 12V-300V Pen | Wire Breakpoint Finder - Professional Grade Tool

Testing Equipment

Non-Contact Voltage Tester | Digital AC 12V-300V Pen | Wire Breakpoint Finder

CMP-01581TEST-00213
$17.99
100-500V Voltage Tester | Flathead Screwdriver | Non-Contact Circuit Test Pen - Professional Grade Tool

Testing Equipment

100-500V Voltage Tester | Flathead Screwdriver | Non-Contact Circuit Test Pen

CMP-01582TEST-00214
$7.95
Network Cable Tester | RJ45, RJ11, BNC, POE, PING | Crosstalk & Wire Tracking - Professional Grade Tool

Testing Equipment

Network Cable Tester | RJ45, RJ11, BNC, POE, PING | Crosstalk & Wire Tracking

CMP-01584TEST-00215
$196.99
Network Cable Tester | Ethernet Tracker with OPM VFL PoE | Measures Length, Wiremap - Professional Grade Tool

Testing Equipment

Network Cable Tester | Ethernet Tracker with OPM VFL PoE | Measures Length, Wiremap

CMP-01586TEST-00216
$174.99
Wire Tracker & Toner | Network Cable Tester | RJ45/RJ11 Line Finder - Professional Grade Tool

Testing Equipment

Wire Tracker & Toner | Network Cable Tester | RJ45/RJ11 Line Finder

CMP-01588TEST-00218
$99.99
Wire & Cable Tester | Tracker & Locator for Metal Pipes | Mastech MS6818 - Professional Grade Tool

Testing Equipment

Wire & Cable Tester | Tracker & Locator for Metal Pipes | Mastech MS6818

CMP-01589TEST-00219
$310.99
Network Cable Tester | Tone Generator & Probe Kit | RJ11 RJ45 Cat5 Cat6 Ethernet Phone Wire Tracer - Professional Grade Tool

Testing Equipment

Network Cable Tester | Tone Generator & Probe Kit | RJ11 RJ45 Cat5 Cat6 Ethernet Phone Wire Tracer

CMP-01590TEST-00220
$45.95
Underground Cable Locator | Anti-Interference Wire Tracker | Fault Identification - Professional Grade Tool

Testing Equipment

Underground Cable Locator | Anti-Interference Wire Tracker | Fault Identification

CMP-01591TEST-00221
$82.99
Network Cable Tester | Length, Continuity, PoE, Ping, & IP Scan | LED Light & Cable Tracker - Professional Grade Tool

Testing Equipment

Network Cable Tester | Length, Continuity, PoE, Ping, & IP Scan | LED Light & Cable Tracker

CMP-01592TEST-00222
$260.99
Underground Cable Locator | Anti-Interference Cable Tracker | High & Low Voltage Detection - Professional Grade Tool

Testing Equipment

Underground Cable Locator | Anti-Interference Cable Tracker | High & Low Voltage Detection

CMP-01593TEST-00223
$242.99
Underground Cable Locator | Visual Fault Wire Tracer | Anti-Interference Cable Tester - Professional Grade Tool

Testing Equipment

Underground Cable Locator | Visual Fault Wire Tracer | Anti-Interference Cable Tester

CMP-01594TEST-00224
$109.99
Network Cable Tester | LCD Display Wiremap & Length Measurement | NF-8209S LAN Tool - Professional Grade Tool

Testing Equipment

Network Cable Tester | LCD Display Wiremap & Length Measurement | NF-8209S LAN Tool

CMP-01595TEST-00225
$101.99
Network Cable Tester | RJ11, RJ45, Cat5, Cat6 | Line Finder & Toner - Professional Grade Tool

Testing Equipment

Network Cable Tester | RJ11, RJ45, Cat5, Cat6 | Line Finder & Toner

CMP-01596TEST-00226
$29.95
Underground Wire Locator | RJ45/RJ11/BNC Cable Tester | High/Low Voltage Line Finder - Professional Grade Tool

Testing Equipment

Underground Wire Locator | RJ45/RJ11/BNC Cable Tester | High/Low Voltage Line Finder

CMP-01597TEST-00227
$97.99
Automotive Circuit Tester | Open & Short Finder | DC 6-42V Car Electrical Diagnostic Tool - Professional Grade Tool

Testing Equipment

Automotive Circuit Tester | Open & Short Finder | DC 6-42V Car Electrical Diagnostic Tool

CMP-01598TEST-00228
$30.95
Network Cable Tester & Tracker | RJ11/RJ45 Line Finder | Handheld Tool for Maintenance - Professional Grade Tool

Testing Equipment

Network Cable Tester & Tracker | RJ11/RJ45 Line Finder | Handheld Tool for Maintenance

CMP-01599TEST-00229
$80.99
Network Cable Tester | RJ45, RJ11, BNC, POE, PING | Includes 8 Remotes - Professional Grade Tool

Testing Equipment

Network Cable Tester | RJ45, RJ11, BNC, POE, PING | Includes 8 Remotes

CMP-01600TEST-00230
$216.99
Network Cable Tester | LCD Display | Wiremap & Length Measurement - Professional Grade Tool

Testing Equipment

Network Cable Tester | LCD Display | Wiremap & Length Measurement

CMP-01601TEST-00231
$120.99
Ethernet Cable Tester | RJ45 RJ11 Network Test Tool | LAN Line Finder & Repair Kit - Professional Grade Tool

Testing Equipment

Ethernet Cable Tester | RJ45 RJ11 Network Test Tool | LAN Line Finder & Repair Kit

CMP-01602TEST-00232
$38.95

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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.