| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Klein Tools |
RECEPTACLE TESTER - USA MADE |
0 |
|
 |
FLIR Extech |
CLAMP METER, 200A AC + NCV |
0 |
|
 |
Amprobe |
AMMETER MINI-CLAMP 400A |
0 |
|
 |
Klein Tools |
DIGITAL CLAMP METER |
0 |
|
 |
Fluke Electronics |
KIT IR THRM CLMP MTR/VLT DETCTR |
0 |
|
 |
Klein Tools |
VDV SCOUT PRO 2 TEST-N-MAP REMOT |
0 |
|
 |
Fluke Electronics |
CLAMP METER 600AC TRUE-RMS |
0 |
|
 |
B&K Precision |
CLAMP-ON MULTIMETER 32/320/1000A |
0 |
|
 |
FLIR Extech |
400A TRUE RMS AC/DC CLAMP METER |
0 |
|
 |
FLIR Extech |
CLAMP METER, TRMS + NCV, 600A AC |
0 |
|
 |
DFRobot |
USB POWER DETECTOR 3-10V, 0-3A |
0 |
|
 |
Fluke Electronics |
WIRELESS AC CURRENT CLAMP MODULE |
0 |
|
 |
B&K Precision |
CLAMP METER 600A MINI AC MILLI A |
0 |
|
 |
Fluke Electronics |
WIRELESS AC VOLTAGE MODULE |
0 |
|
 |
Klein Tools |
LOW-VOLTAGE TWIN-LEAD TESTER |
0 |
|
 |
Phoenix Contact |
CURRENT PLIER MULTIMETER |
0 |
|
 |
Amprobe |
DMM CLAMP-ON MINI |
0 |
|
 |
Amprobe |
CONTINUITY TESTER |
0 |
|
 |
Woodhead - Molex |
TESTER CIRCUIT RCPT ASSEMBLY |
0 |
|
 |
Amprobe |
400A SWIVEL CLAMP W/TEMP AND CAP |
0 |
|
Electrical testers and current probes are essential tools for measuring, analyzing, and troubleshooting electrical systems. They enable precise quantification of parameters like voltage, current, resistance, and power quality. These devices play a critical role in ensuring safety, efficiency, and reliability in industries such as power generation, electronics manufacturing, automotive engineering, and renewable energy systems.
| Type | Functional Features | Application Examples |
|---|---|---|
| Multimeters | Measures voltage, current, resistance, and continuity; available in digital and analog variants | General electronics troubleshooting |
| Clamp Meters | Non-contact current measurement using jaw clamp; measures AC/DC current | Industrial motor maintenance |
| Insulation Resistance Testers | High-voltage resistance testing for insulation integrity | Electrical safety compliance checks |
| Current Probes | Attaches to oscilloscopes for current waveform analysis; types include Hall Effect and current transformers | Power supply design validation |
| Power Quality Analyzers | Measures harmonics, flicker, and transient disturbances | Grid stability assessment |
Typical electrical testers consist of: - Measurement Circuitry: Precision sensors (e.g., shunt resistors, Hall sensors) and signal conditioning modules. - Display Interface: LCD/OLED screens with digital readouts or waveform visualization. - Input Probes: Insulated test leads, clamp jaws, or specialized probes for specific parameters. - Power Supply: Battery or AC-powered systems with safety isolation. Current probes utilize magnetic core assemblies (for AC coupling) or Hall Effect sensors (for DC measurement) integrated with coaxial cables for oscilloscope connectivity.
| Parameter | Description | Importance |
|---|---|---|
| Measurement Range | Span of measurable values (e.g., 0-1000 A) | Determines applicability to specific loads |
| Accuracy | Error margin (e.g., 0.5%) | Ensures reliable data for critical systems |
| Frequency Response | Bandwidth for AC measurements (e.g., 20 Hz 100 kHz) | Affects waveform fidelity in power electronics |
| Resolution | Smallest detectable change (e.g., 0.1 mA) | Enables precise low-current analysis |
| Isolation Voltage | Maximum voltage separation between circuit and ground | Ensures user safety in high-voltage environments |
Key industries include: - Power Utilities: Grid maintenance using insulation testers and power quality analyzers. - Electronics Manufacturing: PCB testing with multimeters and current probes. - Automotive: Electric vehicle battery and motor testing. - Aerospace: Avionics system integrity checks. - Renewables: Solar inverter efficiency validation. Example: Using clamp meters to detect overload conditions in industrial conveyor belt systems.
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| Fluke | Fluke 434 II Series | Power quality analyzer with energy logging |
| Keysight Technologies | N2820A High-Sensitivity Probe | Measures currents as low as 1 mA |
| Teledyne LeCroy | CP030A Current Probe | 30 MHz bandwidth for switching power supplies |
| Megger | Megger MIT400 | Insulation tester with 10 kV output |
Consider: 1. Application Requirements: AC/DC measurement needs, voltage levels. 2. Accuracy vs. Cost: High-precision models for R&D vs. basic tools for fieldwork. 3. Environmental Factors: Temperature range, waterproof ratings. 4. Compatibility: Probe interface match with oscilloscopes or DAQ systems. 5. Safety Ratings: CAT IV certification for industrial environments.
Emerging trends include: - Wireless Connectivity: Bluetooth-enabled testers for real-time data logging. - AI Integration: Automated fault diagnosis via machine learning. - Miniaturization: Chip-based current sensors for embedded systems. - Wide Bandgap Compatibility: Probes optimized for SiC/GaN power devices. - Energy Efficiency: Low-power designs for extended battery life. Example: IoT-enabled clamp meters for predictive maintenance in smart factories.