10 Product Specifications
10-2. List of accessories
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3. Indicator unit
Structure:
2-point model (per unit), incorporated type
Concentration display:
LCD (bar meter display (2 colors: red and green))
Individual alarm contact output:
No-voltage "a" contact [standard] or "b" contact [option]
(2 contacts)
(contact capacity: 250 VAC 2 A, resistance load)
External output signal:
0/6/12 VDC (load current: 10 mA or less) [standard]
or 4 - 20 mA DC (load resistance: 300
Ω
or less) [option]
External connection terminal:
12P
Input/output
to
detector
head
(4P)
Pump
power
output
(24
VDC)
(2P)
Individual alarm contact output 1 (gas alarm) (2P)
Individual alarm contact output 2
(2P)
(gas alarm [standard] or fault alarm [option])
External
output
signal
(2P)
Alarm delay:
2 seconds [standard]
or up to 60 seconds/1-second increment [option]
Other functions: Alarm test:
Alarm activation check
Peak gas concentration display: When gas concentration exceeds an alarm
setpoint, the peak value of gas
concentration is displayed and held on
the bar meter.
Power:
Supplied from the base unit
Power consumption:
Max 18 VA (13 W) (detector head included, pump power
supply
excluded)
Cable between detector heads:
Cable equivalent to CVV 4-core
Transmission distance between detector heads: Within 300 m using CVV (0.75 mm
2
) cable
Within 500 m using CVV (1.25 mm
2
) cable
Within 500 m using CVV (2.0 mm
2
) cable
10-2. List of accessories
Operating manual: 1
Mounting bracket: The supplied quantity depends on the number of points.
(Supplied for the rack mounting type only)
2 - 8-point model
4
10/12-point model
6
