Designed Specifically To Meet The Needs Of The Refrigeration Industry SAM-I And SAM-IV Specifications


Sensing Technology Patended Infrared
Number of sampling points SAM-I: 1 - Expandable To Eight
SAM-IV: 4 -Expandable To Eleven

Calibration :     Standard


1 - 100ppm 2ppm-most gases 100-1000 ppm 5%

1-100ppm 1ppm-most gases 100 - 1000 ppm: 2%
Range 1 ppm - 1000 ppm
Sensitivity 1 ppm
Linearity Linear over entire range
Reproducibility 1 ppm over 12 month period
Response time 90% of step change in 20 seconds


Inputs & Outputs
Alarm relays 3 relays at 5 Amps resistive (optional relay board adds 9 additional alarm relays)
Malfunction relay 5 Amp resistive
Analog outputs 4-20 mA for each point (up to four)
Digital communications Choice of RS-485 or RS-232
Digital inputs Choice of RS-248 or RS-232


Operating Conditions
Temperature 0-40C, 32-104F
Relative humidity 0-99%, non-condensing
Power requirements 85-250 VAC, 50/60 Hz
Power load 75 Watts



Maximum sample tube length 500 feet per point
Sample tubing connections 1/4" O.D.
Sample flow rate 2 liters/minute
Dimensions 16" high, 13.5" wide, 7" deep
Weight 32 lb., 14.5 kg.




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