REV 3
WRM-10P AND WRM-40 USER’S MANUAL
7
Table 3. Functional Descriptions of WRM-10P Controls and Indicators
Item
Number
Panel Markings
Functional Description
1
V1
Voltage sensing channel #1. Female test connector jacks for connecting
voltage-sensing test leads.
2
V2
Voltage sensing channel #2. Female test connector jacks for connecting
voltage-sensing test leads.
3
CURRENT
Current Output. Female test connector jacks for connecting current test leads.
4
Back-lit LCD screen (4 lines by 20 characters). Visible in bright light and low-
light conditions.
5
RS-232C
9-pin RS-232C interface port; female DB type. Data rate is set to 19,200 baud,
1 start bit, 2 stop bits, 8 data bits and no parity bit.
Pin
Signal
2
RX
3
TX
5
Signal Ground
6
240 Vac 2A,
50-60 Hz
Fuse: 250 Vac,
3A Slow Blow
Input power connector with third-wire safety ground. On/Off rocker toggle
switch with built-in fuse protection.
7
GROUND
Safety ground. This must be connected to station ground before connected the
WRM test leads to the transformer.
8
Built-in 2.5-inch wide thermal printer.
9
DISCHARGE
Red LED warning indicator light. This LED is illuminated when the WRM is
discharging the stored energy from the transformer.
Do NOT disconnect test
leads when this light is on. Failure to heed this warning can result in
shock to personnel.
10
Rugged membrane keypad.
11
HIGH VOLTAGE
PRESENT
Red LED warning indicator light. This LED is illuminated when there is a
possibility that voltage exists across the test leads.
