RKI Instruments GX-3R Pro - Page 10

GX-3R Pro Operator’s Manual Chapter 1: Introduction • 10
Reading
Increment
0.01% volume 20 ppm
Warning
Setpoint
0.50% volume 5,000 ppm
Alarm
Setpoint
3.00% volume 5,000 ppm
Alarm H
Setpoint
3.00% volume 5,000 ppm
STEL Setpoint
3.00% volume n/a
TWA Setpoint
0.50% volume 5,000 ppm
Indication
Accuracy
• 0 - 5.00%: ± 5% of
reading or ± 2% of full
scale (whichever is
greater)
• 5.01 - 10.00%: ± 20% of
reading
• ± 5% of reading or
± 2% of full scale
(whichever is
greater)
Table 3: EC Sensor Specifications
Ammonia
(NH
3
)
Hydrogen
Cyanide
(HCN)
Nitrogen
Dioxide
(NO
2
)
Phosphine
(PH
3
)
Sulfur
Dioxide (SO
2
)
Detection Range
and Service Range
0 - 400.0 ppm
(parts per mil-
lion)
0 - 30.0 ppm
(parts per mil-
lion)
0 - 20.00 ppm
(parts per mil-
lion)
0 - 20.00 ppm
(parts per mil-
lion)
0 - 100.00 ppm
(parts per mil-
lion)
Lower Detectable
Limit (LDL)
4 ppm 1.0 ppm 0.30 ppm 0.02 ppm 0.20 ppm
Reading
Increment
0.5 ppm 0.1 ppm 0.05 ppm 0.01 ppm 0.05 ppm
Warning
Setpoint
25 ppm 5.0 ppm 2.00 ppm 0.30 ppm 2.00 ppm
Alarm
Setpoint
35 ppm 10.0 ppm 4.00 ppm 0.60 ppm 5.00 ppm
Alarm H
Setpoint
300 ppm 30.0 ppm 20.00 ppm 0.60 ppm 100.00 ppm
Table 2: IR Sensor Specifications
Carbon Dioxide (CO
2
)