RKI-GX-3R-PRODetectable-Gases

GX-3R PRO Confined Space 5-Gas Monitor - DETECTABLE GASES
by RKI Instruments

Detectable Gases

Gas Measuring Range
(Increments)
Accuracy
Statement
Preset Alarms
Sensor Slot 1: Carbon Monoxide (CO) & Hydrogen sulfide (H2S) *Interchangeable
H2S / CO Dual EC 0 ~ 2000 ppm
(1 ppm)
± 5% of reading
or ± 5 ppm CO
A1: 25 ppm│ A2: 50 ppm │ A3:1200 ppm│TWA: 25 ppm │ STEL: 200 ppm
0 ~ 200.0 ppm
(0.1 ppm)
± 5% of reading
or ± 2 ppm H2S
A1: 5 ppm│ A2: 30 ppm │ A3: 100 ppm│TWA: 1.0 ppm │ STEL: 5.0 ppm
H2S
Only
EC 0 ~ 200.0 ppm
(0.1 ppm)
± 5% of reading
or ± 2 ppm H2S
A1: 5 ppm│ A2: 30 ppm │ A3: 100 ppm│TWA: 1.0 ppm │ STEL: 5.0 ppm
CO
H2 Compensated
EC 0 ~ 2,000 ppm ± 5% of reading
or ± 2 ppm CO
A1: 25 ppm│ A2: 50 ppm │ A3: 1200 ppm│TWA: 25 ppm │ STEL: 200 ppm
Sensor Slot 2: Combustibles (Methane as standard)
CH4 / HC Catalytic 0 ~ LEL (1% LEL) ± 5% of reading
or ± 2 % LEL
1st: 10% LEL │ 2nd: 25% LEL │ 3rd: 50% LEL │ Over:100% LEL
Sensor Slot 3: Oxygen (O2)
O2 EC 0 ~ 40.0% Vol.
(0.10%)
± 0.5% O2 Low 1: 19.5%│ Low 2: 18.0% │High: 23.5%│ Over: 40.0%
Sensor Slot 4: Toxics & CO2 *Interchangeable
HCN EC 0 ~ 30.0 ppm
(0.1 ppm)
± 10% of reading
or ± 5 % of full scale
A1: 5.0 ppm│ A2: 10.00 ppm │ A3: 30.00 ppm│ TWA: 4.7 ppm
│ STEL: 10 ppm
NH3 0 ~ 400.0 ppm
(0.5 ppm)
A1: 25.0 ppm │ STEL: 1.0 ppm│
A2: 35.0 ppm│ TWA: 0.30 ppm│A3: 300.0 ppm
NO2 0 ~ 20.00 ppm
(0.05 ppm)
A1: 2.00 ppm│ A2: 4.00 ppm │ A3: 20.00 ppm│ TWA: 0.20 ppm │ STEL: 1.00 ppm
PH3 0 ~ 20.00 ppm (0.01 ppm) A1: 0.30 ppm │ STEL: 1.0 ppm │ A2: 0.60 ppm │ TWA: 0.30 ppm │ A3: 0.60 ppm
SO2 0 ~ 100.0 ppm
(0.05 ppm)
A1: 2 ppm│ A2: 5 ppm │ A3: 100 ppm│ TWA: 0.25 ppm │ STEL: 0.25ppm
CO2 % IR 0 ~ 10.0% Vol.
(0.01%)
± 5% of reading
or ± 2 ppm
A1: 0.50% Vol.│ A2: 3.00% Vol. │ A3: 4.00% Vol.│ TWA: 0.50% Vol. │ STEL: 3.00% Vol.
CO2 ppm 0 ~ 10,000 ppm
(20 ppm)
A1: 5,000 ppm│ A2: N/A │ TWA: N/A│STEL: N/A