25-1000-UM 4
25-1000 Battery Monitor Specifications
1. Display Readout: 4 ½ digits red numeric LED’s, plus four 14-segment alpha-numeric LED annotation and
configuration digits
2. Battery/Input Voltage Range: 90 to 180 VDC, Accuracy: ± 0.2V DC (for 125 V model)
3. Input Power: 3 VA
max
4. Input Resistance:
Positive terminal to ground: 30.82 K Ohms, ± 1%
Negative terminal to ground: 30.82 K Ohms, ± 1%
5. Displayed Measurements:
a. Battery Voltage
b. + Bus voltage to Ground
c. - Bus voltage to Ground
d. GFV - Ground Fault Voltage
e. RVV - Ripple Voltage
f. RIV - Ripple Current (w/optional sensor)
6. Displayed Modes:
a. TD - Time Delay (Sec)
b. 1φ or 3φ - Charger Input Power Phase
7. Scanning: In Manual Mode, measurement is selected by briefly pushing the scan/select button.
In Scan Mode (Auto LED ON) the display cycles through all six measurements, plus time delay and AC
charger phase. Mode is changed by pressing and holding the scan button
8. Alarms: Alarm levels are set using the setup menu
9. Alarm relay form C Contacts:
Relay 1: + Ground Fault
Relay 2: - Ground Fault
Relay 3: High Battery Voltage
Relay 4: Low Battery Voltage, ripple voltage, ripple current, loss of AC power to charger
10. Time Delay: Alarm delay configurable from 1 to 60 seconds
11. Reset (Alarm relay reset): In non-Latching Mode (L OFF) the alarm relay contact clears automatically
(after the time delay period) when the fault condition is cleared. In Latching Mode (L ON) the alarm relay
latches on. To reset the alarm relay, the fault condition must be removed. Then pressing the RESET button
or shorting RESET pin TB2-20 to BAT- pin TB1-4 (negative bus) will reset the alarm relay
12. Contact rating: 2.0A at 120VAC or 28VDC, 25mA at 150VDC
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