Specification :

SPECIFICATIONS
Measurement:
Range: 0.1 ¼ ½ to 999.9 m½
( Subject to supply voltage and leads used)
Accuracy:
Voltage ± 0.5% ± 0.1 mV
Current ± 0.5% ± 0.1 A
Resistance: Better than 1% from
300 ¼ ½ to 100 m½
Better than ± 2% from
100 ¼ ½ to 300 ¼ ½
Current Lead Resistance ( Megger supplied leads)
2 x 5 m 25 mm2 current leads 8 m
2 x 5 m 50 mm2 current leads 4 m½
2 x 10 m 70 mm2 current leads 5.4 m½
2 x 15 m 95 mm2 current leads 6 m½
Maximum Continuous Test Time
More than 60 seconds at 200 A @ 20º C ambient.
Power Supply for DLRO200
for full output ( unsmoothed d.c.)
100 to 265 V 50/ 60 Hz with a load
less than 19 m½ ( supply > 207 V rms) , or
11 m½ ( 115 V rms) including current leads
Power Supply for DLRO200-115 V
for full output ( additional smoothing)
100 to 130 V 50/ 60 Hz with a load
less than 11 m½ including current leads
Test Modes: Manual, Auto, Continuous.
Test Time: 10 seconds NORMAL / AUTO mode.
Refreshed every 2 seconds in CONTINUOUS
mode
Display: Large, high resolution backlit liquid crystal
display
Warnings Current flowing: - LED. Other warnings are
shown on the lcd display
Data Transfer Real time or batch download via RS232
using Download Manager.
Storage Capacity:
300 result sets and memo, battery backed for
10 years.
Memo field: 160 characters max.
Test Current
Range: 10 A to 200 A d.c. *
Accuracy: ± 2% ± 2 A
Voltmeter input
impedance: > 200 k½
Hum rejection: 5 V rms 50 Hz/ 60 Hz
Temperature
Operation: -10 to + 50º C ( -14 to + 122º F)
Storage: -25 to + 65º C ( -13 to 149º F)
Calibration: 20º C
Co-efficient: