M
ODEL DM-II™ PRO Data Logger/Recorder (cont’d)
Memory:
Total of 600K RAM memory. The recording session length depends on the recording
rate, the number of parameters selected for recording, recording mode, and recording
interval. The memory has a lithium backup battery to preserve its contents in event of
the absence of AC power and batteries.
Real Time Clock:
User programmable real time clock, displayed in 12/24 hour format and HH:MM:SS Day
Month Date Year, daylight savings option, accuracy of ±1 minute per month.
System Configuration:
Total of four prestored setup phase configurations for 1Ø and 1Ø systems: 1Ø 2W, 1Ø
3W, 3Ø 3W Straight Delta, and 3Ø 4W Wye.
Note: Any or all parameters of a phase configuration can be recorded.
PC Interface:
Optically isolated RS-232 serial interface. DM-II View™ PRO software for display, data
analysis, and report generation. User selectable baud rates of 9600, 19200, and 38400
baud.
Power Requirements:
AC line voltage with battery backup operation. The ON/OFF dual color LED indicates the
unit’s power source: green indicates AC line power, red indicates battery power.
Safety Standards:
Designed to meet: UL3111-1, CE (LVD/EMC/EMI)
Case:
Material: Injection molded flame retardant ABS911, rugged, water-resistant, and
corrosion proof.
Case dimensions: 17.5” x 11.6” x 7.5”
Weight: 16 lbs. (7.3 kgs.) includes batteries, 4 CTs, voltage leads and alligator clips.
Important - Be sure that the pressure relieve valve located next to the handle is open
when encountering atmospheric changes.
Battery:
Six alkaline “D” cells (not supplied)
Battery Life:
21 hours continuous with backlight OFF, 1 second recording rate, normal recording
mode, all parameters elected for a 3Ø 4W Wye configuration.
Operating Temperature Range:
32º - 122ºF (0ºF - 50ºC), Relative humidity <85%
Storage Temperature Range:
28º - 140ºF (-2ºF - 60ºC), Relative humidity <90%
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