BW Gas alert Max XT II Multi-Gas Detector

Specification

Instrument dimensions

13.1 x 7.0 x 5.2 cm ( 5.1 x 2.8 x 2.0 in.)

Weight

300 g ( 10.6 oz.)

Operating temp.

-20 °C to +50 °C ( -4 °F to +122 °F )

Storage temp.

-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

H₂S : 0 - 200 ppm ( 1 ppm increments )

CO  : 0 - 1000 ppm (1 ppm increments )

O₂   : 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

H₂S, CO, O₂ : Single plug-in electrochemical cell

LEL ( combustibles ) : Plug-in catalytic bead

O₂ 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 pushbutton 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.

Sensor Options

Sensor enable/disable, set span concentration values, set calibration interval, set bump interval, set alarm setpoints, set STEL interval, set TWA period, auto zero at startup enable/disable, 5 % overspan, low alarm acknowledge, oxygen measurement, and combustible gas measurement

Battery operating time

One rechargeable lithium polymer battery at 20°C provides 13 hours operating runtime