Measurement principle
|
Electrochemical formula, catalytic oxidation formula
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Alert
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Alarm method
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High brightness red LED, buzzer (90dB
/30cm), vibration
|
Alarm type
|
Primary/secondary alarm, TWA/STEL
alarm
, low voltage alarm, self-diagnosis error alarm,
zero or span calibration error alarm
|
display device
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Backlit LCD with large, clear icons
‘flip’ display that allows you to flip the screen with one button
|
everyone
|
2 alkaline AA batteries
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Continuous operation time
|
Approximately 14 to 16 hours
|
temperature
|
-20 °C to +50°C (-4℉ to +122℉)
|
External specifications
|
76mm(W)
|
weight
|
210g (excluding battery), 258g (including battery)
: 4 – gas standard
|
Explosion proof level
|
KTL : Ex ia d ⅡC T4
UL/cUL : Class I, Div. 1, Groups A, B, C, D T4
|
standard
accessories
|
Alkaline batteries (2), calibration tube,
calibration adapter, belt clip, rubber boot
|
|
|