GW Instek GCM-407 - Digital Clamp Meter with True RMS Measurement
Digital Clamp Meter -- ACA, ACV, DCV, Ohm, Diode, Buzzer.
The GCM-403 is digital clamp meter can measure AC/DC voltage, AC/DC current, resistance, diodes, continuity, capacitance, frequency and temperature. Tapered jaws, auto range, data hold, REL function and auto power off which makes it a superb tool for electricians.
The GCM-407 is digital clamp meter with true RMS measurement. Featuring tapered jaws, a wide range (AC 600A/750V, DC 1000V max input), capacitance measurement as well as non-contact voltage sensing function and the ability to keep MAX/MIN or hold data and automatically power down make the GCM-407 suitable for almost any cable measurement task.
| New | Old | Description |
|---|---|---|
| GCM-403 | GCM-302 |
Compared with the old model- Advantages GCM-403 expanded measurement items: Compared with the old model- Disadvantages Smaller GCM-403 Clamp which is only ∮ 28mm GCM-403 does not have Max Hold |
| GCM-407 | GCM-303 |
Compared with the old model- AdvantagesGCM-407expanded measurement items: Voltage Range/Capacitance and expanded functionalities : No Contact Voltage (AC only)/ Min Hold/REL/Backlight |
- Auto Range, Expect Current Measurement
- Auto Power Off
- Max Hold
- True RMS Measurement (GCM-407)
- (AC)600A/600V Max Input (GCM-403)
- (AC)600A/750V Max Input (GCM-407)
- Mini Size
- High Accuracy
- MAX Clamp Size: 28mm (GCM-403)
ACV
| Range | 6V, 60V, 600V, 750V |
| Resolution | 0.001V, 0.01V, 0.1V, 1V |
| Accuracy | ±(1.2 + 5) ~ ±(1.5 + 5) |
| Input Impedance | ≧10MΩ |
| Frequency Response | 40~400Hz |
ACA
| Range | 6A, 60A, 600A |
| Resolution | 0.001A, 0.01A, 0.1A |
| Accuracy | ±(2.5 + 5) ~ ±(2.5 + 30) |
| Frequency Response | 50~60Hz |
DCV
| Range | 600mV, 6V, 60V, 600V, 1000V |
| Resolution | 0.1mV, 0.001V, 0.01V, 0.1V, 1V |
| Accuracy | ±(0.8 + 1) ~ ±(1.0 + 8) |
| Input Impedance | ≧10MΩ |
DCA
| Range | - |
| Resolution | - |
| Accuracy | - |
OHM
| Range | 600Ω, 6kΩ, 60kΩ, 600kΩ, 6MΩ, 60MΩ |
| Resolution | 0.1Ω, 0.001kΩ, 0.01kΩ, 0.1kΩ, 0.001MΩ, 0.01MΩ |
| Accuracy | ±(1.0 + 2) ~ ±(1.5 + 5) |
Diode
| Range | 6V |
| Resolution | 0.001V |
| Open-circuit Voltage | Approx. 3.3V |
Continuity
| Range | 600Ω |
| Resolution | 0.1Ω |
| Accuracy | The buzzer turns on for resistance lower than 30Ω |
| Open-circuit Voltage | Approx. 1.2V |
Capacitance
| Range | 99nF, 999nF, 9uF, 99uF, 999uF, 9mF, 59mF |
| Resolution | 0.01nF, 0.1nF, 0.001uF, 0.01uF, 0.1uF, 0.001mF, 0.01mF |
| Accuracy | ±(4.0 + 5) ~ ±10 |
Frequency
| Range | - |
| Resolution | - |
| Accuracy | - |
NCV (Non-Contact Voltage)
| Distance | < 10mm |
| Sensing | AC Voltage only |
Temperature (˚C Only)
| Range | - |
| Accuracy | - |
Other Function
| Data Hold, MAX/MIN, REL, Backlight, Flashlight |
LCD Display
| Liquid crystal display: Displays 6000 counts maximum. |
Clamp Opening Diameter
| 30mm Maximum |
Power Source
| 3 AAA 1.5V zinc manganese batteries |
Dimensions & Weight
| 228 (L) x 77 (W) x41 (H) mm; Approx. 265g (inclusive of the battery) |
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