User guide

LI25 Series Loop-Powered Meters Instruction Manual
7
SPECIFICATIONS
Except where noted all specifications apply to operation at +25°C.
General
Five digits
(-99999 to 99999)
0.60" (15.2 mm) high, 7-segment,
automatic lead zero blanking.
Four characters
(Engineering Units)
0.25" (6.4 mm) high, 14 segment.
Bargraph 20-segment, 0% to 100% indication.
Trend arrows Up and down trend indication.
DISPLAY
Backlight Orange (intensity varies with signal)
DISPLAY
UPDATE RATE
2.5/second
OVERRANGE
Display flashes
99999
UNDERRANGE
Display flashes
-99999
PROGRAMMING
METHOD
Four front panel buttons
NOISE FILTER Programmable from 1 to 199
RECALIBRATION Recalibration is recommended at least every 12 months.
MAX/MIN
DISPLAY
Max/min readings reached by the process are stored until
reset by the user or until power to the meter is turned off.
PASSWORD Programmable password restricts modification of
programmed settings.
NON-VOLATILE
MEMORY
All programmed settings are stored in non-volatile memory
for a minimum of ten years if power is lost.
NORMAL MODE
REJECTION
64 dB at 50/60 Hz
ENVIRONMENTAL Operating temperature range: -30 to 65°C (-40°C allowed)*
Storage temperature range: -40 to 65°C
Relative humidity: 0 to 90% non-condensing
*Below -30°C, the LCD becomes less readable.
CONNECTIONS Removable screw terminals accept 12 to 22 AWG wire
ENCLOSURE &
MATERIALS
1/8 DIN, high impact plastic, UL 94V-0, color: gray
GE Plastics NORYL
®
N190X Polyphenylene Ether &
Polystyrene blend (PPE PS) Resin
GE Plastics LEXAN
®
HP92W Polycarbonate (PC) Film