GW GCM-407 Digital Clamp Meter

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Product Tags:
GW GCM-407 Digital Clamp Meter
Features
  • 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)

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:
DCA/Capacitance/Temperature/Frequency Counter and expanded functionalities: REL, Data Hold

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

 

　 GCM-403 GCM-407
ACV
Range 4V, 40V, 400V, 600V 6V, 60V, 600V, 750V
Resolution 0.001V, 0.01V, 0.1V, 1V 0.001V, 0.01V, 0.1V, 1V
Accuracy ±(1.0 + 5) ~ ±(1.2 + 5) ±(1.2 + 5) ~ ±(1.5 + 5)
Input Impedance ≧10MΩ // 100pF at least ≧10MΩ
Frequency Response 40~400Hz 40~400Hz
ACA
Range 40A, 600A 6A, 60A, 600A
Resolution 0.01A, 0.1A 0.001A, 0.01A, 0.1A
Accuracy ±(2.5 + 5) ~ ±(2.5 + 8) ±(2.5 + 5) ~ ±(2.5 + 30)
Frequency Response 50~60Hz 50~60Hz
DCV
Range 400mV, 4V, 40V, 400V, 600V 600mV, 6V, 60V, 600V, 1000V
Resolution 0.1mV, 0.001V, 0.01V, 0.1V, 1V 0.1mV, 0.001V, 0.01V, 0.1V, 1V
Accuracy ±(0.8 + 1) ~ ±(1.0 + 3) ±(0.8 + 1) ~ ±(1.0 + 8)
Input Impedance ≧10MΩ ≧10MΩ
DCA
Range 40A, 600A -
Resolution 0.01A, 0.1A -
Accuracy ±(2.0 + 5) -
OHM
Range 400Ω, 4kΩ, 40kΩ, 400kΩ, 4MΩ, 40MΩ 600Ω, 6kΩ, 60kΩ, 600kΩ, 6MΩ, 60MΩ
Resolution 0.1Ω, 0.001kΩ, 0.01kΩ, 0.1kΩ, 0.001MΩ, 0.01MΩ 0.1Ω, 0.001kΩ, 0.01kΩ, 0.1kΩ, 0.001MΩ, 0.01MΩ
Accuracy ±(1.0 + 2) ~ ±(1.5 + 2) ±(1.0 + 2) ~ ±(1.5 + 5)
DIODE
Range 4V 6V
Resolution 0.001V 0.001V
Open-circuit Voltage Approx. 1.48V Approx. 3.3V
CONTINUITY
Range 400Ω 600Ω
Resolution 0.1Ω 0.1Ω
Accuracy The buzzer turns on for resistance lower than 10Ω The buzzer turns on for resistance lower than 30Ω
Open-circuit Voltage Approx. 0.45V Approx. 1.2V
CAPACITANCE
Range 40nF, 400nF, 4uF, 40uF, 100uF 99nF, 999nF, 9uF, 99uF, 999uF, 9mF, 59mF
Resolution 0.01nF, 0.1nF, 0.001uF, 0.01uF, 0.1uF 0.01nF, 0.1nF, 0.001uF, 0.01uF, 0.1uF, 0.001mF, 0.01mF
Accuracy ±(4.0 + 3) ~ ±(5.0 + 10) ±(4.0 + 5) ~ ±10
FREQUENCY
Range 10Hz, 100Hz, 1kHz, 10kHz, 100kHz, 1MHz, 10MHz -
Resolution 0.001Hz, 0.01Hz, 0.1Hz, 1Hz, 10Hz, 100Hz, 1kHz -
Accuracy ±(4.0 + 3) ~ ±(5.0 + 10) -
NCV (Non-Contact Voltage) 
Distance - < 10mm
Sensing - AC Voltage only 
TEMPERATURE (˚C only) 
Range -40˚C ~ 1000˚C -
Accuracy ±(2.5 + 3) ~ ±(8.0 + 5) -
OTHER FUNCTION
　 Data Hold, REL Data Hold, MAX/MIN, REL, Backlight, Flashlight
LCD DISPLAY
　 Liquid crystal display: Displays 4000 counts maximum. Liquid crystal display: Displays 6000 counts maximum.
CLAMP OPENING DIAMETER
　 28mm Maximum 30mm Maximum
POWER SOURCE
　 9V battery (16F22) 3 AAA 1.5V zinc manganese batteries
DIMENSIONS & WEIGHT
　 210 (L) x 76 (W) x30 (H) mm; Approx. 260g  228 (L) x 77 (W) x41 (H) mm; Approx. 265g (inclusive of the battery)

 

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  • GW GCM-407 Digital Clamp Meter