User Manual

TRM-203 AND TRM-403 USER’S MANUAL REV 1
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1.2 Technical Specifications
Table 1. TRM-203/403 Technical Specifications
TYPE Portable transformer winding resistance meter
PHYSICAL SPECIFICATIONS 21” W x 17” H x 9” D (53 cm x 43 cm x 24 cm); Weight: 35 lbs (15.8Kg)
OPERATING VOLTAGE 100-240 Vac, 50/60 Hz
RESISTANCE READING
RANGE
1 micro-ohm – 2000 Ohms (TRM-203);
1 micro-ohm – 500 Ohms (TRM-403)
ACCURACY 1 – 19,999 micro-ohms: ±0.5% reading, ±1 count;
20 – 999 milliohms: ±1% reading, ±1 count;
1 -2000 Ohms: ±1.5% reading, ±1 count
TEST CURRENT 1-20A in 1A increments (TRM-203); 1-40A in 1A increments (TRM403)
TEST VOLTAGE 60Vdc charging, 18V DC max during measurement
INPUT CHANNELS 4 input channels for measuring resistance
DISPLAY Back-lit LCD Screen (128 x 64 pixels), viewable in direct sunlight and low
light levels
PRINTER Built-in 2.5” wide thermal printer
INTERNAL DATA STORAGE 256 static test records (each can contain up to 111 readings) and 120
dynamic test records
EXTERNAL DATA STORAGE Up to 999 test records on external USB Flash drive
COMPUTER INTERFACES RS-232C, USB, and Bluetooth
SAFETY Designed to meet UL 61010A-1 and Can/CSA C22.2 No 1010.1092
standards
ENVIRONMENT Operating: -10˚C to 50˚ C (15˚F to +122˚ F); Storage: -30˚ C to 70˚ C (-
22˚F to +158˚ F)
HUMIDITY (MAX) 90% RH @ 40° C (104° F) non-condensing
ALTITUDE (MAX) 2000m (6562 ft) to full safety specifications
CABLES Four 50-foot test cables, one LTC control cable, one ground cable, one
power cord, one USB cable
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.