WRM-10 USER’S MANUAL
REV 2
3
1.3 Technical
Specifications
Table 1. WRM-10 Technical Specifications
TYPE
Portable transformer winding resistance meter
PHYSICAL SPECIFICATIONS
16.8”W x 12.6”H x 10.6”D (42.6 cm x 32.0 cm x 27 cm); Weight: 27 lbs
(12.2 kg)
INPUT POWER
100 – 120 Vac or 200-240 Vac (factory pre-set), 50/60 Hz
RESISTANCE READING
RANGE
1 micro-ohm – 2,000 ohms
ACCURACY
1 – 19,999 micro-ohms: ±0.5% reading, ±1 count
20 – 999 milli-ohms: ±1% reading, ±1 count;
1 – 2,000 ohms: ±1.5% reading, ±1 count
TEST VOLTAGE
36 Vdc max
TEST CURRENT RANGE
Auto range, 10 Amperes max
DISPLAY
Back-lit LCD Screen (16 characters by 2 lines); viewable in bright sunlight
and low-light levels
CONTROL
Single “turn-and-push” knob
COMPUTER INTERFACE
RS-232C port (19,200 baud) used for factory calibration and diagnostics
SAFETY
Designed to meet IEC61010 (1995), UL61010A-1, CSA-C22.2 standards
ENVIRONMENT
Operating: -10
˚
C to 50
˚
C (15
˚
F to +122
˚
F); Storage: -30
˚
C to 70
˚
C (-
22
˚
F to +158
˚
F)
CABLES
Three 50-foot test cables, ground cable, power cord and cable bag
OPTIONS
Transportation case
WARRANTY
One year on parts and labor
NOTE
The above specifications are valid at nominal operating voltage and at a
temperature of 25
°
C (77
°
F). Specifications may change without prior notice.