PROTEK INSTRUMENTS LIMITED COMPANY

Advanced Features

■ Simple to operate with an intuitive user interface
■ Range 0-10/100/1000/10000/250000ppm
■ Auto-ranging or manually lock on single range
■ Integrated bypass valve
■ Reliable accuracy and stable performance
■ Flow transducer is used control the flow
■ 19-inch rack mounting, 3U in height
■ 4-20mA output and RS485 as standard
■ Sample in CO2 backgrounds with T sensor
■ “high” and “low” alarms

Technical Specifications

Measurement Range	0-10/100/1000/10000/250000ppm
Detector Type	Galvanic type micro fuel cell
Detector Model	“S” sensor module - inert gases “T” sensor module - for gases containing more than 0.5%CO₂
Output	4-20mA isolated output and RS485 are standard
Accuracy (Intrinsic error)	±1% of FS at constant conditions
Sensitivity (LDL)	50ppb
Response Time	T90 < 10 seconds
Alarm	Concentration alarms, for “high” and “low” alarms
Operating Sample Pressure	5-30psi
Outlet Pressure	Atmospheric
Operating Sample Flow	0.5-1.0Nl/min
Sample Gas Condition	Must be oil free, non-corrosive, non-condensing and non-flammable
Operating Temperature	Range: 5ºC to 45ºC
Calibration Interval	1-3 months
Power Supply	115VAC, 50 – 60 Hz or 220VAC, 50 – 60 Hz
Mounting	19-inch rack mounting, 3U in height
Weight	10Kg (23 lbs)
Area Classifications	General purpose
Gas Connection	Sample: 1/4” compression fitting Vent: 1/4” compression fitting

Typical Applications

■ Air separation unit
■ Argon production
■ Gas bottling plants
■ Cryogenic truck loading station
■ Nitrogen generator
■ Oxygen generator
■ Universities and laboratories
■ Heat treatment and annealing
■ Quality control for gas cylinders
■ Double glazing manufacture