Ei Electronics Ei 261EN User Manual
Page 28
Rechargeable
: Fully charged cells can power unit in standby for over 4 weeks.
Lithium Cells:
It can power the unit in alarm for over 2 hours. The unit beeps every 40
seconds if cells are depleted.
Interconnect
: Up to 12, Ei 261EN/261DEN Alarms can be interconnected, so that when
one senses CO, all alarm.
Relay Module Ei128C
: This can be connected, using the interconnect line. Use relay contacts for
(optional)
for switching valves etc.
CO Alarm Memory:
: A unit will indicate if it has been in alarm previously by flashing the red light
for 2 seconds every 40 seconds (2 flashes for 50 ppm CO, 4 flashes for 100
ppm CO and 8 flashes, for 300 ppm CO). When the test button is pressed
the red light flashes as per table B and also indicates the previous CO alarm
level detected. The memory is cleared by holding down the test button until
the red light stops flashing.
Digital Display
: Range 50 - 300ppm CO,
(Ei261 DEN only)
Resolution 5 ppm CO.
With low rechargeable cells - CP
With sensor faulty - SF
With test button - previous peak CO level
Dimensions
: 126 x 150 x 42 mm.
Weight
: 330g.
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B15404-R0-261EN-UC-ENG 31/5/07 2:01 PM Page 28