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RKI Instruments - Gas
Watch 2 |
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3 Gases to choose
from CO, H2S, or O2
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TWA and STEL
function
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Compact "watch
type" design
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Manual backlight
- Fast, accurate response with digital
LCD display
- Sensor fail alarm
- Fits on your wrist, clothing, belt
or hardhat
- Automatic backlight during alarm
- Hands free gas monitoring
- PEAK hold function (min. and max.
values for O2)
- Displays current time
- Visual, audible, and vibration
alarms standard
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Over 3000 hours of
operation from 1 battery
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Intrinsically
safe, CSA, C/US approved
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2 Year warranty
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GASWATCH 2 METER
DETAILS
The GasWatch 2 is the first single-gas monitor that can be comfortably
worn on the wrist like a watch, belt, hard hat, or clipped to protective
wear. The GasWatch 2 is a convenient, inexpensive, hands-free
method of gas monitoring for personal protection of oxygen deficiency,
carbon monoxide or hydrogen sulfide. The built in vibrator, audible, and
visual alarms immediately alert the user of a dangerous gas condition.
The GasWatch 2 is controlled by a
microprocessor for reliability and advanced capabilities and will
operate for over 3000 hours on one battery (about 1 year normal use).
And yes, the GasWatch 2 even tells the time! Some of the
advanced capabilities include distinctive audible and visual alarms for
dangerous gas conditions and malfunctions, a large digital readout with
a manual backlight that also automatically lights in an alarm condition.
As well as the display of PEAK, TWA and STEL readings. The
replacement sensors are inexpensive, easily field replaceable and have a
life expectancy of about 2 years. |
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PURCHASE GASWATCH 2 METERS
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ITEM
NUMBER |
DESCRIPTION |
PRICE |
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GasWatch 2,
Model GW-2X measuring 0-40% O2 with watch band |
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GasWatch 2,
Model GW-2C measuring 0-500 ppm CO with watch band |
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GasWatch 2,
Model GW-2H measuring 0-100 ppm H2S with watch band |
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Hard hat clip
for field installation |
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Watchband
Replacement |
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Neck Strap
with Breakaway |
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Belt Clip |
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Tool for
Removing Pins for Watchband and Clips |
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Calibration
Kit for Model GW-2X - One 34 ltr steel cylinder, regulator, test cup.
case and tubing |
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Calibration
Kit for Model GW-2C - One 34 ltr steel cylinder, regulator, test cup.
case and tubing |
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Calibration
Kit for Model GW-2H - One 34 ltr aluminum cylinder, regulator, test cup.
case and tubing |
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Lithium
Battery, 3 V, Coin Type CR 2450 |
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Dry Case,
Black with Foam |
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GASWATCH 2 METER
SPECIFICATIONS
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Model Name (Part #) |
GW-2X
SRK720007RK |
GW-2H
SRK730041RK |
GW-2C
SRK730040RK |
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Measuring Gas |
Oxygen (O2) |
Hydrogen Sulfide (H2S) |
Carbon
Monoxide (CO) |
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Detection Principle |
Galvanic cell |
Electrochemical |
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Sensor Type |
OS-BM2 |
ES-1827 |
ES-1821 |
Measuring Range
(Increments) |
0 - 40.0% vol.
(0.1% vol.) |
0 -
100.0 ppm
(0.5 ppm) |
0 - 500
ppm
(1 ppm) |
Alarm Points
(Factory Set) |
Low - 19.5% vol.
High - 23.5% vol.
Over - 40.0% vol. |
1st - 10.0 ppm
2nd - 30.0 ppm
TWA - 10.0 ppm
STEL - 15.0 ppm
Over - 100.0 ppm |
1st - 25 ppm
2nd - 50 ppm
TWA - 25 ppm
STEL - 200 ppm
Over - 500 ppm |
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Alarm Types |
Gas alarm: 2 step
alarm, STEL, TWA, Over alarm
Trouble alarm: sensor connection, low battery, circuit error, &
Calibration range over alarm |
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Alarm Indication |
Gas alarm: flashing
light, intermittent buzzer and pulsing vibration
Trouble alarm: flashing light, intermittent buzzer and trouble type
displayed |
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Sampling Method |
Diffusion |
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Response Time |
T90 in
20 seconds |
T90 in
30 seconds |
T90 in
30 seconds |
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Accuracy |
+/-
0.5% |
+/- 1.5
ppm
(up to 30 ppm) |
+/- 5
ppm
(up to 150 ppm) |
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Power Source |
One coin type lithium battery (CR
2450) |
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Continuous Operation |
Approximately 3,000 hours with no
alarms or backlighting
(about 1 year of normal use) |
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Safety Rating |
CSA classified, “C/US”, as
intrinsically safe. Class I, Division 1, Groups A, B, C and D. Class
I, Zone 0, Group IIC. Temperature code T4. |
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Display Method |
Digital LCD with auto back light |
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Dimensions & Weight |
2.5"(w) x 1.7"(h) x 0.9"(d) / 63.5
mm(w) x 43 mm(h) x 23 mm(d)
2 ounces / 60 grams |
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Operating Temp & Humidity |
-20 ~ 40°C, below 85% RH
(non-condensing) |
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Dimensions & Weight |
2.81”(w) x 3.31”(h) x 1.16”(d), 4.76
oz |
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Features |
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Attachment Choice |
Watchband, alligator clip, belt clip,
and hard hat clip |
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Warranty |
2 years material & workmanship |
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