10 Product Specifications
10-1. List of specifications
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10
10
Product Specifications
10-1. List of specifications
Detection principle
Galvanic cell type
Gas to be detected
Oxygen
Concentration display
*1
LCD digital display (Three-digit, seven-segment/green, orange and red backlight)
Detection range
0 - 25vol%/0-50vol%
Display resolution
0 - 25vol%:0.1vol%/0 - 50vol%:0.5vol%
Detection method
Diffusion type
Alarm setpoint
Detection range 0 - 25vol%: 1st 19vol%(L)/2nd 18vol%(LL)[Standard]
Detection range 0 - 50vol%: 1st 18vol%(L)/2nd 25vol%(H) [Standard]
Accuracy of the reading
(under the same conditions)*2
Within ±0.7vol%(25vol% or less),±3.0vol%(25.1vol% or more)
Response time
(under the same conditions)*2
90% response: within 30 seconds
Alarm delay time
(under the same conditions)*2
For an oxygen deficiency alarm (18vol% L alarm), 5 seconds or less after detecting a 10 to
11vol% gas
Accuracy of Alarm setpoint
*2
Difference between Alarm setpoint and indicated value of warning alarm are zero.
Gas alarm type
Two-step alarm (L-LL, L-H or H-HH)
Gas alarm display
1st: Lights up the concentration display and backlight (orange), buzzer
2nd: 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
Self-latching
Contact capacity
*3
125VAC
･
1A or 30VDC
･
1A (Resistance load)
Transmission specifications
*4
4 - 20mADC (no-insulation/load resistance under 300Ω) or 0 - 1VDC (no-insulation)
Cable for gas detector head
Dedicated cable for remote (3, 5, 10 or 20 m)
Power supply
100 - 120VAC±10% (50/60Hz), 24VDC±10% or AA alkaline dry battery (2pcs.)
Power consumption
AC specification: Max. 5VA
DC specification: Max. 3W
Dry battery Continuous
operating time
Approx.1 year(25ºC, no alarm and no lighting, When using two AA alkaline dry batteries)
Initial clear
Approx. 25 seconds
Operating temperatures
-10 - +40ºC (at a constant condition)
Operating humidities
Below 90%RH (Non-condensing)
Operating pressure
Atmospheric pressure (80kPa - 105kPa)
Structure
Wall mounting type, sensor integrated type or remote type
Outline dimensions
Main unit: Approx. 80(W)x120(H)x 35.5(D)mm
Remote sensor: Approx. 40(W)x96(H)x35.5(D)mm (projection portions excluded)
Weight
AC specification: Approx. 200g/DC specification: Approx. 180g
Dry battery type: Approx. 230g/Remote sensor part: Approx. 55g (cable excluded)
*1 No backlight during normal operation for the dry battery type.
*2 In conformity to JIS T8201 2010(Oxygen deficiency indicator) .
*3 No contact for the dry battery type.
*4 Only 0
～
1VDC for the dry battery type. Some operations are different between the dry battery type and DC/AC specification.
