65
10
10.
Product Specifications
10-1. List of specifications
Detection principle
Electrochemical type
Gas to be detected
Carbon monoxide
Concentration display
*1
LCD digital display (Three-digit, seven-segment/green, orange and red backlight)
Detection range
0 - 150 ppm
Display resolution
1 ppm
Detection method
Diffusion type
Alarm setpoint value
50 ppm (first)/100 ppm (second) [Standard setting]
Alarm delay time
(under the same conditions)
Within 60 seconds after a gas with a concentration 1.6 times higher than the alarm setpoint
is introduced
Gas alarm type
Two-step alarm (H-HH)
Gas alarm display
First: Lights up the concentration display and backlight (orange), buzzer
Second: Lights up the concentration display and backlight (red), buzzer
Gas alarm pattern
Self-latching or Auto-reset, Lock-in
Gas alarm contact
No-voltage contact 1a or 1b and normally de-energized (energized in response to an alarm)
Fault alarm/self
diagnosis
System abnormalities/sensor connection abnormalities
Fault alarm display
Alarm detail display and backlight blinking (orange), buzzer
Fault alarm pattern
Non latching (auto-reset)
Contact capacity
*2
125 VAC - 1 A or 30 VDC - 1 A (resistance load)
Transmission
specifications
*3
4 - 20 mA DC (no-insulation/load resistance under 300
Ω
) or 0 - 1 VDC (no-insulation)
Cable for gas detector
head
Dedicated cable for remote (3, 5, 10 or 20 m) [option]
Power supply
100 VAC ±10% (50/60 Hz), 24 VDC ±10% or AA alkaline dry battery (2 pcs.)
Power consumption
AC specification: Max. 5 VA/DC specification: Max. 3 W
Dry battery
Continuous operating
time
Approx. one year (25ºC, no alarm and no lighting, when using two AA alkaline dry batteries)
Initial clear
Approx. 25 seconds
Operating temperatures
0 - 40ºC (At a constant condition)
Operating humidities
Below 90%RH (Non-condensing)
Structure
Wall mounting type, sensor integrated type or remote type [option]
External dimensions
Main unit: Approx. 80 (W) x 120 (H) x 35.5 (D) mm
Remote sensor: Approx. 40 (W) x 96 (H) x 35.5 (D) mm (projection portions excluded)
Weight
AC specification: Approx. 200 g/DC specification: Approx. 180 g/Dry battery type: Approx.
230 g
Remote sensor part: Approx. 55 g (cable excluded)
*1 No backlight during normal operation for the dry battery type.
*2 No contact for dry battery type.
*3 Only 0 -1 VDC for the dry battery type. Some operations are different between the dry battery type and DC/AC specification.
