Honeywell BW MaxXT II, User Manual

Page: 105 / 108

CHAPTER
11
Specifications
Instrument dimensions: 13.1 x 7.0 x 5.2 cm (5.1 x 2.8 x 2.0 in.)
Weight: 328 g (11.6 oz.)
Operating temperature: -20°C to +50°C (-4°F to +122°F)
Storage temperature: -40°C to +60°C (-40°F to +140°F)
Operating humidity: 10% to 100% relative humidity (non-condensing)
Dust and moisture ingress: IP66/67
Alarm setpoints: May vary by region and are user-defined
Detection range:
H
2
S: 0 – 200 ppm (1 ppm increments)
CO: 0 – 1000 ppm (1 ppm increments)
O
2
: 0 – 30.0% vol. (0.1% vol. increments)
LEL (combustible): 0 – 100% LEL (1% LEL increments) or 0 – 5.0% v/v methane
Sensor type:
H
2
S, CO, O
2
: Single plug-in electrochemical cell
LEL (combustibles): Plug-in catalytic bead
O
2
measuring principle: Capillary controlled concentration sensor
Alarm conditions: TWA alarm, STEL alarm, low alarm, high alarm, multi-gas alarm, over limit (OL)
alarm, low battery alarm, confidence beep, automatic deactivation alarm, pump alarm
Audible alarm: 95 dB+ at 30 cm variable pulsed beeper with full battery charge
Visual alarm: Red light-emitting diodes (LEDs)
Display: Alphanumeric liquid crystal display (LCD)
Backlight: Activates upon startup and when the button is pressed; deactivates after 10 seconds.
Activates during an alarm condition and remains lit until alarm ceases
Self-test: Initiated during activation, self-test runs continuously while detector is operational
Calibration: Automatic zero and automatic span
User field options: Startup message, lockout on self-test error, safe mode, confidence beep,
latching alarm, force calibration, cal IR lock, force bump, location logging, force block test, set
datalog interval, set confidence interval, language selection.
BW MaxXT II 104 User Manual