17
Specications
Size 3.6" (9.3 cm) x 1.9" (4.9 cm) x 0.9" (2.2 cm)
Weight 3.6 oz (102 gm) with clip
Battery User-replaceable 2/3 AA high-capacity Lithium battery
Operating Period 2 years typical battery life for CO/H
2
S/O
2
sensors or 730 minutes of alarm.
All other low- or high-bias sensor-equipped models, typical 1 year or 360
minutes of alarm. Extra battery included for use if maximum alarm minutes are
exceeded.
Display
Easy-to-read LCD for continuous display of concentration in ppm and text messages
Keypad One-button operation
Direct Readout • Instantaneous display of toxic gas concentration in ppm (or oxygen in %)
• STEL & TWA values
• Peak hold
Alarms • Audible: 90dB at 12” (10 cm)
• Visual: Bright Red/Green LED bar visible from top, front, and sides
• Sensory: Built-in vibration alarm
• High: Displays “High” emits 3 beeps and ashes per second
• Low: Displays “Low” 2 beeps and ashes per second
• STEL: Displays “STEL” 1 beep and ash per second
• TWA: Displays “TWA” 1 beep and ash per second
Calibration Two-point eld calibration; Auto-zero at startup (rmware version 1.4 only),
user- intiated span/standard reference gas.
EMI/RFI Highly resistant to EMI / RFI. Compliant with EMC Directive 89/336/EEC
IP Rating IP-65 rating: protected against dust, protected against low pressure jets of
water from all directions
Hazardous Area
Approval
• UL/cUL Classied as Intrinsically Safe for use in Class I, Division 1 Groups A,
B, C, D, Hazardous Locations T5 rating
• ATEX, II 1G, EEx ia IIB T5, or II 2G, EEx ia IIC T5
European Conformity (Conformite Europene)
• IECEx Ex ia IICT4
Temperature -40° to 131° F (-40° to 55° C) for O2, CO, and H2S. For specic temperature ranges
for other sensors, please reference RAE Systems Technical Note TN-114.
Humidity 0-95% relative humidity (non-condensing)
Attachments Wrist strap, stainless-steel alligator clip (installed), stainless-steel belt clip/
hardhat adapter
Warranty 2-year warranty for instrument and CO/H
2
S/O
2
sensors (all other sensors have
1-year warranty)
*Ongoing projects to enhance our products means that these specications are subject to change.
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