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REMOTE INTELLIGENT SENSOR - AREA MONITOR
Page vi Instruction 2772-0803
PRODUCT SPECIFICATION
ACCURACY
ppb Ranges: ± 15 % of reading ± 1 ppb.
ppm Ranges: ± 15 % of reading ± 0.01 ppm.
2772-0020: ± 20 % of reading ± 0.01 ppm.
2772-0035: ± 20 % of reading ± 0.02 ppm.
PHYSICAL
Dimensions: 7" Depth x 11.75" Width x 7.875" Height
(178mm D x 298mm W x 200mm H)
Weight: 11.5 lbs. (5.2 Kg.).
Enclosure: IP-55 with sealed glands (NEMA 4).
Cable Glands: 3 x for input/output cables. Pre-wired connector for Optional Printer.
POWER INPUT REQUIREMENTS
External Power Supply: 12VDC
Input Current: Depends upon model and conditions.
Low Flow models: (200cc/min or less) Cat.# 2772-0010/015/020/030/035/040/060/
090/095/100/110/150 etc.
Normal run current (charged battery) =150–200mA
Run current (discharged battery) =500–700mA
High Flow models: (700cc/min or less) Cat.#272-0120/160/175 etc.
Normal run current, (charged battery) =250–300mA
Run current (discharged battery) =600–800mA
OUTPUTS
Solid State ‘Relay’ Output:
Standard System: 1 Combined Gas/ Fault Alarm.
Optionally: 2 Gas Alarms plus 1 Fault Alarm, or
Devices rated @ 1A./60 V DC max.
Surge current (1 second) = 5A peak.
Turn on/off time = 50, ms.
On state voltage = 1.5V DC
Off state leakage at 60 V DC across the load = 200, µA
Logic: Device normally ‘closed’, opens on alarm
(with standard system software).
Analog Output:
Standard: 4–20 mA is default on the instrument.
0–1 V DC can be hardware selected.
In both cases the minimum = zero concentration,
and the maximum value = system range maximum.
(Other configurations available. Contact Customer Service)