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Features
• Continuously operate for over one year (H2S & CO)
• Toxic gases include: NH3, CL2, HCN, NO2, PH3 & SO2
• CO with H2 elimination
• CO & O2 Dual Sensor
• Field serviceable
• Pocket size 2.1”(W) x 2.6”(H) x 0.9”(D), 2.8 ounces
• Impact, dust and water resistant (IP-67)
• Replaceable rubber boot
• Alligator clip with 360° rotation
• Audible / visual / vibration alarms
• Automatic back light
• Intrinsically safe, ATEX and C/US approvals
• 3 Year warranty*

Applications
• Hazardous material
• Mining
• Refineries / petrochemical
• Water / wastewater treatment
• Pharmaceuticals
• Utilities
• Chemical plants
• Fire services
• Steel mills

Common Specifications

Sample MethodDiffusion
Response TimeT90 in 30 seconds
Alarm TypesGas AlarmTrouble Alarm
1st, 2nd, and 3rd (user adjustable), OVER alarm, STEL, and TWASensor connection, low battery, circuit failure, and calibration range error
Alarm MethodsGas AlarmTrouble AlarmSTEL / TWA
Flashing LED's, intermittent buzzer, flashing gas value and vibrationFlashing LED's, intermittent buzzer and display of error messageFlashing LED's, intermittent buzzer, flashing gas value and vibration
Datalogging

10 sec. intervals = 10 hours. 5 min. intervals = 300 hours, 

10 min. intervals = 600 hours

Instrument records alarms, alarm trends, gas readings, calibration & bump test history, instrument settings
Battery OptionsAlkaline dry cell (2-AAA size)
DisplayDigital LCD, gas name & concentration, auto back lighting during alarm, operation icon, battery icon
Operating Temp. & Humidity-4°F to 122°F (-20°C ~ +50℃), 0- 90% RH non condensing
EnclosureDust and water resistant with IP-67 rating
Safety RatingATEX/IECEx approved. QPS classified, “C / US”, as intrinsically safe, Class I, Division 1, Groups A, B, C, D
Standard Accessories• Rubber boot • Datalogging software
• Alligator clip • Alkaline batteries
Optional Accessories• Calibration cap
• Wrist strap
• Calibration kit
• Belt clip
• Datalogging download cable
Special FunctionsManual backlight for LCD (automatically lit during alarm), Peak hold, STEL & TWA
Warranty3 year warranty (1 year for Ammonia and Chlorine)
Part NumberModelGasDetection Range (Increments)Accuracy StatementContinuous Operation
RK-73-0063HS-04Hydrogen Sulfide (H2S)

0 - 200.0 ppm
(0.1 ppm)

± 5% of reading
or ± 2 ppm H2S

9,000 hours
RK-73-0065CO-04Carbon Monoxide (CO)

0 - 2000 ppm
(1 ppm)

± 5% of reading
or ± 5 ppm CO

9,000 hours
RK-73-0067CO-04CCO (-H2)

± 5% of reading
or ± 2 ppm CO

6,200 hours
RK-72-0018OX-04Oxygen (O2)

0 - 40% Vol.
(0.1%) 

± 0.5% O2

3,000 hours
RK-73-0069CX-04CO / O2 Dual Sensor

CO
0 - 2000 ppm
(1 ppm)

± 5% of reading
or ± 2 ppm H2S

4,600 hours

O2
0 - 40% Vol.
(0.1%)

± 0.5% O2

RK-73-0077SC-04Ammonia (NH3)

0 - 400.0 ppm
(0.5 ppm)

± 10% of
reading
or ± 5 % of full
scale

3,000 hours
RK-73-0075SC-04Chlorine (CL2)

0 - 20.00 ppm
(0.05 ppm)

RK-73-0071SC-04Hydrogen Cyanide (HCN)

0 - 30.0 ppm
(0.1 ppm)

RK-73-0073SC-04Nitrogen Dioxide (NO2)

0 - 20.00 ppm
(0.05 ppm)

RK-73-0079SC-04Phosphine (PH3)

0 - 20.00 ppm
(0.01 ppm)

RK-73-0081SC-04Sulfur Dioxide (SO2)

0 - 100.00 ppm
(0.05 ppm)

 

 

Model Item Quantity Unit Price Line Total
Hydrogen Sulfide (H2S) - Série 04 - Moniteurs à gaz unique Hydrogen Sulfide (H2S) - Série 04 - Moniteurs à gaz unique
$ 0.00
Carbon Monoxide (CO) - Série 04 - Moniteurs à gaz unique Carbon Monoxide (CO) - Série 04 - Moniteurs à gaz unique
$ 0.00
CO (-H2) - Série 04 - Moniteurs à gaz unique CO (-H2) - Série 04 - Moniteurs à gaz unique
$ 0.00
Oxygen (O2) - Série 04 - Moniteurs à gaz unique Oxygen (O2) - Série 04 - Moniteurs à gaz unique
$ 0.00
CO/O2 (Dual Sensor) - Série 04 - Moniteurs à gaz unique CO/O2 (Dual Sensor) - Série 04 - Moniteurs à gaz unique
$ 0.00
Ammonia (NH3) - Série 04 - Moniteurs à gaz unique Ammonia (NH3) - Série 04 - Moniteurs à gaz unique
$ 0.00
Chlorine (CL2) - Série 04 - Moniteurs à gaz unique Chlorine (CL2) - Série 04 - Moniteurs à gaz unique
$ 0.00
Hydrogen Cyanide (HCN) - Série 04 - Moniteurs à gaz unique Hydrogen Cyanide (HCN) - Série 04 - Moniteurs à gaz unique
$ 0.00
Nitrogen Dioxide (NO2) - Série 04 - Moniteurs à gaz unique Nitrogen Dioxide (NO2) - Série 04 - Moniteurs à gaz unique
$ 0.00
Phospine (PH3) - Série 04 - Moniteurs à gaz unique Phospine (PH3) - Série 04 - Moniteurs à gaz unique
$ 0.00
Sulfur Dioxide (SO2) - Série 04 - Moniteurs à gaz unique Sulfur Dioxide (SO2) - Série 04 - Moniteurs à gaz unique
$ 0.00
$ 0.00

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