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Thiết bị đo khí TETRA 3 Crowcon

Mã sản phẩm: TETRA 3
Sử dụng cho Model:
Hãng SX: Crowcon
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Model: TETRA 3
Hãng: Crowcon

Yêu Cầu Giá Tốt

Thông tin sản phẩm

- Up to 4 gases in a small and lightweight design
- Single button operation for all functions, can be operated with gloved hands
- Rugged impact resistant design provides extra shock and vibration protection
- Reliable Lithium-ion battery provides over 16 hours continuous operation from a single charge with no memory effects.
- Water and Dust resistant to IP67, can be submerged in water
- Rapid and effective warning with a 95 dBa audible alarm, an extremely bright red/blue visual alarm and vibrating alarm as standard.
- Top mounted, backlit display of all gas readings, diagnostics and battery life.
- Dust and waterproof to IP67

Thông số kỹ thuật

Weight 269g
Dimensions 112 x 72 x 49mm (tapers to 20mm)
4.4 x 2.8 x 1.9"
Gas Range Alarm UK/ROW Alarm USA
Flammable 0-100% LEL 20% LEL 10% LEL
Oxygen 0-25% 19/23.5% 19.5/23.5%
Hydrogen Sulphide 0-50ppm 5ppm 10ppm
Carbon Monoxide 0-500ppm 30ppm 35ppm
Typical Response Times Flammable 20s, Toxic Gas 30s, Oxygen 10s
Audible Alarms 95dBa
 Multiple alarm sounds allow selection of distinctive tones for  
different alarm levels
Visible Alarms Dual colour red/blue flashing LED pairs in gas hazard
Vibrating Alarm Internal vibrating alarm
Display Graphic LCD with backlight, giving simultaneous display for
all gas channels. 
Graphic symbols for battery (with proportional indication of
 remaining operation time), healthy operation or fault warning.  
Start up indication when calibration is due within 30 days, 
calibration overdue or service required
Display Mode Normal display for real time gas concentration levels.
Display recall for peak readings and TWA
Battery Rechargeable Li-Ion
Operating Time Based on four gas unit with flammable sensor > 16 hours
Sampling Diffusion or hand aspirator
Operating Temp Range -20 to +55°C (-4 to 131°F)
Humidity 0-99% RH
Ingress Protection IP65 and IP67
Approval Codes: Europe ATEX II 2G EEx iad IIC T4 (tamb -20 to 55°C)
BASEEFA05AATEX0187
Approval Codes: International IECEx Ex iad IIC T4 (tamb -20 to +55°C)
BAS05.0059
Approval Codes: USA Class I Division 1 Groups A, B, C, D pending
Safety Standards: Europe EN50014, EN50020, EN50018, 94/9/EC
 Safety Standards: USA & Canada  UL913, CSA22.2, 152
Operation Standards EN50270, EN50271, IEC61508, EN61779

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