Honeywell BW GasAlertMicro User Manual page 78

GasAlertMicro
User Manual
Specifications
Instrument dimensions
: 6 x 10 x 3.3 cm (2.4 x 4.0 x 1.3 in.)
Weight: 211 g (7.4 oz.)
Operating temperature: -20°C to +50°C (-4ºF to +122ºF)
Storage temperature: -20°C to +50°C (-4ºF to +122ºF)
Operating humidity: 5% to 95% relative humidity
(non-condensing)
Operating pressure: 95 to 110 kPa
Alarm setpoints: May vary by region and are
user-settable
Detection range:
CO: 0-500 ppm in 1 ppm increments
H S, SO : 0-100 ppm in 1 ppm increments
2 2
O : 0-30% in 0.1% increments
2
Combustibles: field settable for:
0-100% LEL in 1% LEL increments or
0-5.0% v/v methane in 0.1% increments
Sensor type:
H S/CO: Twin plug-in electrochemical cell
2
O , SO , H S, CO Single plug-in electrochemical cell
2 2 2
Combustibles: Plug-in catalytic bead
O measuring principle: Capillary controlled concentration
2
sensor
Alarm conditions: TWA alarm, STEL alarm, low alarm,
high alarm, multi-gas alarm, sensor alarm, low battery
alarm, confidence beep, automatic shutdown alarm.
68
Audible alarm: 95 dB at 1 ft. (0.3 m) variable pulsed dual
beepers
Visual alarm: Dual red light-emitting diodes (LED)
Display: Alphanumeric liquid crystal display (LCD)
Backlight: Automatically activates during alarm conditions
and (if enabled) whenever there is insufficient light to view
the display
Self-test: Initiated at activation
Calibration: Automatic zero and automatic span
Oxygen sensor: Automatic calibration upon activation
(selectable)
User field options: Confidence beep, latching low and high
alarms, pass code protection, enable/disable safe display
mode, combustible sensor measurement (0-100% LEL or 0-
5.0% v/v methane), sensor disable, set calibration due date,
stealth mode, language selection, enable/disable automatic
oxygen calibration, set span concentration values, set STEL
calculation period, enable/disable automatic backlight, and
distinguish use of the GA MicroBatt battery.
Datalogger models only: adjust clock calendar, set sampling
rate, and enable/disable bump due note.