RKI Instruments 72-0012-01 Gas Watch for O2 Portable Single/Dual Gas Monitor
RKI Instruments 72-0012-01 $166.97 No Sales or Local Tax Anywhere. Gas Watch for O2 Portable Single/Dual Gas Monitor 72-0012 GasWatch 3, O2, Galvanic sensor, with wrist band.
- 5 versions to choose from CO, H2S, O2, CO/O2, or H2 compensated CO
- 3-year warranty (2 years for O2 sensor)
- Over 4,000 hours of operation
- Light and compact “watch type” design
- Easily worn in your “breathing zone”
- Watch band or clip-on options
- Alligator clip option with 360º rotation
- Automatic backlight during alarm
- Sturdy IP-66/68 rated design
- Water, dust and radio frequency (RF) resistant
- Non-compliance indicator
· The GasWatch 3 is the world’s smallest and lightest single-gas monitor. Weighing just 1.6 ounces, its compact form affords great comfort and flexibility in how you choose to wear it. It can be worn on your wrist as a watch, or clipped into your breathing zone on your lapel, hard hat or other safety equipment with its alligator clip.
· The 5 different GasWatch 3 models can protect you from oxygen deficiency [GW-3(O2)], exposure to carbon monoxide [GW-3(CO)] or exposure to hydrogen sulfide [GW-3(H2S)]. A hydrogen compensated model [GW-3(C-)] can protect those who work in steel mills, refineries or other environments where hydrogen is present from carbon monoxide exposure. The dual sensor model [GW-3(CX)] can simultaneously protect you from oxygen deficiency and carbon monoxide exposure.
· A small, field-replaceable, coin-type lithium-ion battery gives the GasWatch 3 over 4,000 hours of continuous operation. The hydrogen compensated CO can operate up to 2,500 hours, and the dual sensor CO/O2 model will get up to 2,000 hours of continuous operation.
· The great battery life coupled with a 3-year warranty* gives the GasWatch 3 tremendous value and a low cost of ownership.
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Model |
GW-3 (HS) |
GW-3 (CO) |
GW-3 (C-) |
GW-3 (CX) (Dual Sensor) |
GX-3 (O2) |
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Carbon Monoxide |
Oxygen |
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Detection |
EC |
Dual EC |
Galvanic Cell |
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Detection Range |
0 ~ 30 ppm (0.1) |
0 ~ 300 ppm (1) |
0 ~ 25.0% Vol. (0.1) |
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Accuracy |
± 5% of reading |
± 5% of reading |
± 5% of reading |
± 5% of reading |
± 0.5% O2 |
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Service Range |
100 ~ 200 ppm (1) |
310 ~ 2,000 ppm (10) |
25 ~ 40.0% Vol. (0.1) |
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Alarm Setpoints |
1st: 5.0 ppm |
1st: 25 ppm |
L: 19.5% Vol. |
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Operating Temperature |
-20 °C to +50 °C (no sudden changes) |
-20 °C to +50 °C |
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Humidity Range |
10 to 90 %RH (no condensation) |
10 to 90 %RH |
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Continuous |
Approx. 4,000 hours |
Approx. 2,500 hours |
Approx. 2,000 hours |
Approx. 4,000 hours |
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Sampling Method |
Diffusion Type |
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Types of Alarm |
Gas alarms: Three-step alarms, STEL alarm, TWA alarm, OVER alarm Fault alarms: Sensor connection / disconnection, low battery level, calibration failure, clock abnormality, system abnormality |
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Alarm Indications |
Auto-reset or self latching Lamp flashing, intermittent buzzer sounding, gas concentration readout blinking, vibration |
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Power Source |
CR2450 coin-type lithium ion battery |
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Case Material |
Intrisically safe explosion-proof construction (Ex ia IIC T4 Ga) , IP 66/68 (6.6ft, 1h) (2m, 1h) |
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Approvals |
ATEX, IECEx, CSA |
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Dimension & Weight |
2.5″ W x 1.6″ H x .86″ D (Approx 63 mm W x 42mm H x 22mm D) , 1.6 ounces (approx. 45g) |
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Functions |
Data logger, vibration, STEL alarm, TWA alarm, quick calibration, peak value display, temperature display |
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Standard |
CR2450 coin-type lithium-ion battery, Spring pins (used to mount accessories on to the rear face), |
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Optional |
Heat-resistant case, Dust filter, CF-1821 filter (for CO sensor), CF-A13i-1 humidity control filter (for H2S sensor), Calibration adapter |
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Ships directly to your door by RKI. Returns, other than for warranty, to RKI subject to 25% restocking fee. |
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Refineries
- Petrochemical facilities
- Sewage treatment plants
- Fire departments
- Chemical plants
- Tunnels
- Mines
- Hazardous waste sites
