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Single Gas Detector
Compact and affordable GasAlert Extreme detectors are available for a wide variety of atmospheric hazards. The GasAlert Extreme is highly water-resistant, with an IP 66/67 fully immersible, EMI / RFI resistant housing, built-in concussion-proof boot, and heavy-duty, stainless steel, alligator style belt-clip. An extra-loud audible alarm, flashing LED light bars, and built-in vibrator alert users to hazardous conditions. The large, easy-to-read display includes a built-in backlight that ensures readings are legible even in dim light conditions. An easily changed 3V camera battery provides up to two years of continuous operation.
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Multiple language and datalogging option
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Rugged, IP-66/67 highly water-resistant design
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Built-in concussion-proof boot
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Continuous LCD shows real-time gas concentration with backlight in low light (auto and on demand); in alarm (auto)
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LOW, HIGH, TWA and STEL alarms with adjustable setpoints
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Provides 95 dB tone and bright LED indication on alarm (typical)
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Internal vibrating alarm
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Compact (1.1 x 2.0 x 3.75 in. / 28 x 50 x 95 mm) and Lightweight (2.9 oz. / 82 g)
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2-year battery life (typical) with replaceable 3V camera battery
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Simple auto-zero and calibration procedure
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Full function self-test of: sensor, battery, and circuitry integrity
Ordering Information
GasAlert Extreme Detectors
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GAXT-H
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H2S
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GAXT-M
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CO
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GAXT-X
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O2
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GAXT-S
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SO2
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GAXT-C
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CI2
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GAXT-Z
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HCN
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GAXT-D
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NO2
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GAXT-A
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NH3
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GAXT-P
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PH3
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GAXT-E
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ETO
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GAXT-V
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ClO2
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GAXT-G
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O3
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GAXT-N
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NO
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GAXT-H-2
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H2S (High range)
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GAXT-M2 CO (Low sensitivity to H2)
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GAXT-A2 NH3 (High range)
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Multi-Language
Add the suffi x “-ML” (e.g. GAXT-H-ML for H2S model)
Datalogging and Multi-language*
Add the suffi x “-DL” (e.g. GAXT-D-DL for NO2 model)
GasAlert Extreme SamplerPaks
Includes GasAlert Extreme detector with Sampler motorized pump,
10 ft. / 3 m sampling hose and two sampling tubes in a carrying case.
GAXT-(x)-SK GasAlert Extreme SamplerPak
GAXT-(x)-SKC** GasAlert Extreme SamplerPak with charger/battery kit
** Note: Add suffi x for delivery with 220 VAC charger:
Europe: -EU United Kingdom: -UK Australia: -AU
MicroDock II Automatic Test and Calibration System
DOCK2-2-1D-00 Base station and GasAlert Extreme docking module
DOCK2-0-1D-00 GasAlert Extreme docking module
Accessories and Spares
GA-USB2* Infrared DataLink USB adapter for datalogging versions
GA-TS03 Automatic test station
GA-HC-1 Hard hat clip
GA-AG-1 Alligator clip (non-conductive)
GA-BALERT Concussion-proof boot
GA-SS Sensor screen (kit of 10)
GA-CDT-1 Interactive Training CD
* Download of datalogged information requires use of highspeed IR USB
adapter or MicroDock II. Receive a GA-USB2 at no charge when you
purchase 10 or more datalogging GasAlert Extreme detectors
SPECIFICATIONS
DETECTOR: Single-gas detector
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GasAlert Extreme for:
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Measuring
Range
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Alarm Setpoints1 (Factory defaults are
shown. Alarm levels are fi eld-adjustable.)
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Relative
Humidity
non-condensing
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OperatingTemperature
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TWA Alarm
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STEL Alarm
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Low Alarm
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High Alarm
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Hydrogen Sulfi de (H2S)
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0-100 ppm
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10 ppm
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15 ppm
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10 ppm
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15 ppm
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15-90
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-40 to +50 ºC
-40 to +122 ºF
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Hydrogen Sulfi de (H2S)
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0-500 ppm
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10 ppm
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15 ppm
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10 ppm
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15 ppm
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15-90
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Sulfur Dioxide (SO2)
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0-100.0 ppm
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2.0 ppm
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5.0 ppm
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2.0 ppm
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5.0 ppm
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15-90
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Hydrogen Cyanide (HCN)
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0-30.0 ppm
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4.7 ppm
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10.0 ppm
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4.7 ppm
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10.0 ppm
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15-90
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Carbon Monoxide (CO)
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0-1000 ppm
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35 ppm
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200 ppm
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35 ppm
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200 ppm
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15-90
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-30 to +50 ºC-22 to +122 ºF
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Carbon Monoxide (CO)(Low H2 sensitivity)
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0-1000 ppm
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35 ppm
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200 ppm
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35 ppm
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200 ppm
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15-90
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Ammonia (NH3)(High range)
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0-400 ppm
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25 ppm
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35 ppm
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25 ppm
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50 ppm
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15-90
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-20 to +40 ºC
-4 to +104 ºF
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Ammonia (NH3)
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0-100 ppm
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25 ppm
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35 ppm
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25 ppm
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50 ppm
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15-90
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Chlorine (CI2)
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0-50.0 ppm
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0.5 ppm
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1.0 ppm
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0.5 ppm
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1.0 ppm
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'10-90
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-20 to +50 ºC
-4 to +122 ºF
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Nitrogen Dioxide (NO2)
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0-100 ppm
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2.0 ppm
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5.0 ppm
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2.0 ppm
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5.0 ppm
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15-90
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Phosphine (PH3)
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0-5.0 ppm
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0.3 ppm
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1.0 ppm
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0.3 ppm
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1.0 ppm
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15-90
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Ethylene Oxide (ETO)
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0-100.0 ppm
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1.0 ppm
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5.0 ppm
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1.0 ppm
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5.0 ppm
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15-90
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Chlorine Dioxide (ClO2)
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0-1 ppm
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0.1 ppm
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0.3 ppm
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0.1 ppm
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0.3 ppm
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15-95
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Ozone (O3)
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0-1 ppm
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0.1 ppm
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0.1 ppm
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0.1 ppm
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0.2 ppm
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15-90
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Nitric Oxide (NO)
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0-250 ppm
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25 ppm
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25 ppm
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25 ppm
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25 ppm
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15-90
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Oxygen (%by vol.) (O2)
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0-30.0%
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N/A
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N/A
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19.50%
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22.50%
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0-99
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Auto-zero:
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Yes
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Calibration:
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Automatic
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Backlight:
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Low-light (auto and on demand); alarm condition (auto)
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Full function self-test:
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Verifi es integrity of sensor, circuitry and battery; audible/visual alarms
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Sensor:
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Plug-in, electrochemical cell (temperature compensated)
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INDICATORS AND ALARMS:
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Clearly advises alarm levels both visually and audibly
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Visual alarm:
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Flashing, wide-angled alarm lens with 4 red LEDs, plus alarm LCD readout
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Audible alarm:
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High-output, pulsing 95 dB at 1 ft / 0.3 m (typical)
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Confi dence beep:
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Every 5 seconds (fi eld-selectable on/off)
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Other:
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Low battery; off warning; sensor fail
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Vibrator Alarm Standard:
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Vibrates in sync with audible and visual alarms
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CONTINUOUS LCD DISPLAY:
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Alphanumeric gas readout and status display advises
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Gas ppm or %:
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Continuously displays gas concentration present
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TWA and STEL ppm or %:
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Records and displays on demand
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Peak ppm or %:
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Records and displays peak (maximum) exposure to gas on demand
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Setpoints:
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Displayed on activation (auto) and after calibration in ppm or %
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TESTS:
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Full function self-test:
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Full function self-test on activation (auto)
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Battery:
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Continuous (auto)
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GENERAL SPECIFICATIONS:
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Rugged composite material with integral concussion-proof boot
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IP Rating:
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Highly water resistant IP66/67 housing
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EMI/RFI:
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Complies with EMC Directive 89/336/EEC
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Battery type:
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3-volt lithium (Energizer CR2 camera battery)
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Battery life:
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2 year battery life (typical) with replaceable 3V battery
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Size:
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1.1 x 2.0 x 3.75 in. / 28 x 50 x 95 mm
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Weight:
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2.9 oz. / 82 g
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EVENT LOGGING:
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Records and transmits up to 10 gas alarm events
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Event information:
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Gas type, peak exposure level (ppm or %vol); alarm duration in minutes and seconds;
time elapsed since the alarm occurred in days, hours and minutes
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Transmission method:
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Via infrared port to USB PC adapter
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DATALOGGER OPTIONS:
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User-downloadable datalogger
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Data recorder:
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All events and occurrences
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Sampling rate:
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Factory set at 5-second intervals and user-settable from 1 to 60-second intervals
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Storage:
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Up to 8 months of continuous data at 5 second intervals (based on a normal work week). When full, wraparound memory feature replaces oldest data with most recent data
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WARRANTY:
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2 years including sensor, except NH3 (one year)
GasAlert Extreme
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