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Technical Data, Specifications
Gas Sensor
3-Electrode, electrochemical fuel cell installed
in detector enclosure
Response Time (T90)
<60 Seconds at 20°C. Typically <8 seconds to
full alarm
Accuracy:
0.1 ppm (@20 degree C)
Resolution:
0.1 ppm
Long-term Sensitivity Drift:
<2% signal loss
per month
Temperature Range:
-20°C to +50°C (-4°F to
122°F)
Humidity Range:
15 - 90 % (non-condensing)
Two Gas Alarm Levels, Non-Adjustable
Danger, Warning (based on OSHA, NIOSH and
ACGIH recommendation). Non-standard alarm
levels and operating ranges are available
optionally
Sensor Fail Alarm
Indicates loss of sensor function if sensor
output is below a threshold continuously for a
specified period of time, or a break in the
sensor circuit
LED Visual Alarm Indication
Danger: Red Flashing
Warning: Orange
Sensor Fail: Blue
LED Visual Power On Indicator:
Green
Audible Alarm Notification:
100 dB piezo
buzzer
Silence & Reset Button:
(1) Dual function NC
pushbutton, first push silences the buzzer, the
second resets alarms & relays
Operating Voltage:
Regulated 12VDC
Power Supply:
by included AC-DC power
supply below or by 12VDC battery; except for
Ammonia, Ozone, Hydrogen Cyanide detectors
which use a
24VDC output,
88-264 VAC 47-
63Hz. input power supply.
AC to DC switching power supply included, 88-
264 Volts AC 47/63 Hz input, 12VDC output,
6W max output power; output current 0.5A;
short circuit, over voltage, overload protection;
2 pole USA plug, 4-ft cord, Class II power,
Agency Approvals: CE/CUL/CB/FC.
Numerical Display of Concentration:
None
4-20 mA Output:
None
A
larm Relays NO/NC
(4) 10A Form C, 10A @125 VAC, 7A
@250VAC; 7A @ 28VDC, resistive, 12VDC coil
except ammonia, Ozone, Hydrogen Cyanide
use 24VDC coil.
(2) factory-set as Danger latching, (1) Warning,
non-latching, (1) Sensor Fail, non-latching
Local Test Button:
None,
bump testing with
gas is required
Remote Reset:
Input terminal provided to reset
the detector using a remote NC switch
Microprocessor Controlled Electronics:
replaceable, flash upgradable microprocessor
