Earth Leakage Clampmeter Model: DCM300E

Earth Leakage Clampmeter

 

地漏夾鉗

 

Model : DCM300E

 

 

The Megger DCM300E

 

 

 

* Specification

 

 

Measuring Method: Dual integration mode

 

Measuring Function: Leakage current and load

 

current

 

Display: 3,5 digit L.C.D.; max. reading of

 

3200

 

Range: 0-30 mA/300 mA/30 A/300 A (50/60Hz)

 

Ranging: 2 manual ranges

 

Accuracy specified at

 

operating temperature: 23°C ± 5°C, 80% RH max.

 

Range Min. Resolution Accuracy

 

30/300 mA 0,01/0,1 mA ±1,2% rdg ±5 dgt

 

0-200 A: ±1,2% rdg ±5 dgt

 

30/300 A 0,01/0,1 A 200-250 A: ±3,0% rdg ±5 dgt

 

250-300 A: ±5,0% rdg ±5 dgt

 

Jaw Opening Capability: 40 mm

 

Over Range Indication: “OL” mark on L.C.D.

 

Maximum Indication: 3200

 

Low Battery Indication: 2,5 V – 2,7 V; “+-” mark on L.C.D.

 

Data Hold Indication: “DH” mark on L.C.D.

 

Sampling Time: Approx. 2 times/sec.

 

(digital display)

 

Approx. 12 times/sec.

 

(bargraph display)

 

Auto Power Off: The meter is set to power off

 

mode approx. 10 minutes after the

 

power switch on

 

Limitation of Circuit Voltage: Less than a.c. 600 V

 

Withstanding Voltage: a.c. 3700 V/1 minute max.

 

(between the core of CT and the

 

unit housing)

 

Operating Temperature: 0 – 40 °C <80% RH

 

(non-condensing)

 

Storage Temperature: -10 – 60 °C <70% RH

 

(non-condensing)

 

Power Supply: 2 x 1,5 V button cells LR44

 

or SR 44

 

Power Consumption: Approx. 5 mW

 

Battery Life: Approx. 50 hrs. (LR44)

 

Size: 64 (W) x 176 (H) x 23 (D) mm

 

2,5 (W) x 7 (H) x ,9 (D) inches

 

approx.

 

Weight: Approx. 125 g (1⁄4 lb. approx.)

 

Safety

 

EN61010-1 and EN61010-2-032 300 V phase to earth and 500 V

 

phase to phase CAT III or 600 V CAT II double insulated