Page 403 - Praxair - Specialty Gases and Equipment Reference Guide

Gas Detection Systems

One to Six Gas Portable Monitor

Specifications
n Enclosure n Alarms n Safety Rating
Weatherproof, chemical resistant, 2 alarms per channel plus TWA and STEL Intrinsically Safe, Class I, Division 1,
RFI/EMI coated high impact polycarbonate- alarms for toxics. The two alarms are fully Groups A, B, C, D. CSA (C / US) and UL
polyester blend. Can operate in rain or adjustable for levels, latching or self reset classified (most versions)
set into 2.0" of water without damage. and silenceable n Standard Accessories
Ergonomically balanced with rugged top n Alarm Method Shoulder strap, alkaline batteries, hydro-
mounted handle phobic probe and 5 foot hose, internal
n Dimensions Buzzer 85 dB at 30 cm, dual high intensity hydrophobic filter (most versions) (certain
LED’s, and flashing display
10.5" L x 5.9" W x 7" H toxic versions equipped with special probe,
n Weight n Controls inlet fitting and 3' teflon hose. For HF and
6 External glove friendly push buttons
5 lbs (standard 4 gas with batteries) for operation, demand zero, and auto- O3 versions, 3' PTFE hose used without
n Detection Principle calibration. Buttons also access LEL/ppm, probe)
Catalytic combustion, electrochemical cell, alarm silence, peak hold, TWA/STEL values n Optional Accessories
galvanic cell, infrared battery status and many other features n Datalogging of up to 4 gases (No data
n Sensor Life n Continuous Operation logging possible on 5 or 6 gas versions or
versions with more than 2 toxic sensors)
2 years under normal conditions 30 hours minimum using alkaline batteries, n Remote alarms
or 18 hours using Ni-Cad
n Sampling Method n Dilution fitting (50/50)
Powerful, long-life pump (over 6,000 hours) n Power Source n Ni-Cad batteries
can draw samples over 125 feet. Flow rate 4 Alkaline or Ni-Cad, size D batteries n Battery charger, 115 VAC, 220 VAC,
approximately 2.0 SCFH (Charger has alkaline recognition to or 12 VDC
prevent battery damage if charging is n Continuous operation adapter,
n Display
4 x 20 LCD readout. Viewed through attempted with alkalines) 115 VAC or 12 VDC
window in case top. Displays readings n Operating Temperature and Humidity n Extra loud buzzer
and status of 4 channels simultaneously. -10 °C to 40 °C (14 °F to 104 °F), n Extension probes
Backlight, automatic for alarms and by 0 to 95% RH, non-condensing n Large internal hydrophobic filter
demand with adjustable time n Response Time n Warranty
30 Seconds to 90% (most gases) using Two year material and workmanship
standard 5 ft hose

Gases and Detectable Ranges
Gas Measuring Range Accuracy Gas Measuring Range Accuracy
Standard Confined Space Gases Super Toxics and Other Gases, continued
Hydrocarbons 0 - 100% LEL ± 5% of reading or Hydrogen Selenide 0 - 0.2 ppm ± 10% of reading or
(CH 4 , standard) ± 2% LEL* (H 2 Se) ± 5% of full scale*
0 - 50,000 ppm ± 25 ppm or Hydrogen Sulfide 0 - 1 ppm ± 10% of reading or
± 5% of reading* (H 2 S) 0 - 30 ppm ± 5% of full scale*
Oxygen (O 2 ) 0 - 40% volume ± 0.5% O 2 Nitrogen Dioxide 0 - 15 ppm ± 10% of reading or
Section E – Gas Handling Equipment
Carbon Monoxide 0 - 500 ppm ± 5% of reading or (NO 2 ) ± 5% of full scale*
(CO) ± 5 ppm CO* Ozone 0 - 1 ppm ± 10% of reading or
Hydrogen Sulfide 0 - 100 ppm ± 5% of reading or (O 3 ) ± 5% of full scale*
(H 2 S) ± 2 ppm H 2 S * Nitric Oxide 0 - 100 ppm ± 10% of reading or
(NO) ± 5% of full scale*
Super Toxics and Other Gases
Ammonia 0 - 75 ppm ± 10% of reading or Phosphine 0 - 1 ppm ± 10% of reading or
(NH 3 ) ± 5% of full scale* (PH 3 ) ± 5% of full scale*
Arsine 0 - 1 ppm ± 10% of reading or Silane 0 - 15 ppm ± 10% of reading or
(AsH 3 ) 0 - 200 ppb ± 5% of full scale* (SiH 4 ) ± 5% of full scale*
Chlorine 0 - 3 ppm ± 10% of reading or Sulfur Dioxide 0 - 6 ppm ± 10% of reading or
(Cl 2 ) ± 5% of full scale* (SO 2 ) ± 5% of full scale*
Chlorine Dioxide 0 - 1 ppm ± 10% of reading or IR Sensors
(ClO 2 ) ± 5% of full scale* Carbon Dioxide 0 - 5,000 ppm ± 5% of reading or
Fluorine 0 - 5 ppm ± 10% of reading or (CO 2 ) 0 - 10,000 ppm ± 2% of full scale*
(F 2 ) ± 5% of full scale* (IR Sensor) 0 - 5% volume
0 - 20% volume

Hydrogen Fluoride 0 - 9 ppm ± 10% of reading or 0 - 60% volume
(HF) ± 5% of full scale* Methane (CH 4 ) 0 - 100% LEL ± 5% of reading or
Hydrogen Chloride 0 - 15 ppm ± 10% of reading or (IR Sensor) 0 - 100% volume ± 2% of full scale*
(HCl) ± 5% of full scale* Isobutane (iC 4 H 10 ) 0 - 100% LEL ± 5% of reading or
Hydrogen Cyanide 0 - 30 ppm ± 10% of reading or (IR Sensor) 0 - 30% volume ± 2% of full scale*
(HCN) ± 5% of full scale* * Whichever is greater
* Whichever is greater

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