RKI GX-3R Pro Five Gas Confined Space Monitor

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GX-3R Pro

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Details

RKI GX-3R Pro Five Gas Confined Space Monitor -

The GX-3R Pro is the world’s smallest 5-gas monitor weighing only 4.58 ounces and fits in the palm of your hand (2.9” W x 2.6” H x 1.06” D).
It simultaneously monitors and displays 5 different gases. In addition to monitoring standard confined space gases, LEL, O2, CO, & H2S, the GX-3R Pro has a 5th channel where you can add infrared or toxic gas sensors (Hydrogen Cyanide (HCN) and Nitrogen Dioxide (NO2) sensors are currently available for the GX-3R Pro). Two of the four sensor slots have interchangeable sensors providing flexible configurations, which can easily be changed in the field.

GX-3R Manual
GC-3R Product Datasheet

Specifications

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
H2S / CO	Dual 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
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	IR	0 ~ 10,000 ppm (20 ppm)	± 5% of reading or ± 2 ppm	A1: 5,000 ppm│ A2: N/A │ TWA: N/A│STEL: N/A

Common Specifications
Sampling Method	Diffusion sampling standard (hand aspirator or clip-on motorized pump optional)
Display	Full dot LCD with Autobacklight and Autorotation
Alarm Types	Gas Alarm		Trouble Alarm
	2 increasing alarms STEL TWA Over scale alarm O2 decreasing/ increasing		Sensor disconnection Low battery Circuit error Calibration range error Cal or bump due alarm
	• Man Down Alarm • Panic Alarm
Display of Alarm	Gas Alarm		Trouble Alarm
	Flashing LED’s Continuous buzzer (100 db @ 30cm) Flashing gas value Vibration		Flashing LED’s Intermittent buzzer (95 db @ 30cm) Display of error message
Operating Temp. & Humidity	-20°C ~ +50°C [ -4°F ~ +122°F ] 10 to 90% RH, non-condensing (continuous environment)
	-40°C ~ +60°C [ -40°F ~ +140°F ] 0 to 95% RH, non-condensing (temporary environment)
Response Time	Within 30 seconds (T90)
Power Source	Config	Li-ion		Alkaline
	4-gas + EC	25 hours		16 hours
	4-gas + EC with Bluetooth	23 hours		14 hours
	4-gas + IR	16 hours		7 hours
	4-gas + IR with Bluetooth	15 hours		6 hours
Dimension & Weight	2.9” W x 2.6” H x 1.06” D (Approx. 73 W x 65 H x 26 D mm), 4.58oz (with rubber boot)
Case Material	Dust and water resistant to IP-66/68 (2m,1h) approval. Drop height 23 ft
Bluetooth Communication	BLE: with iOS and Android phone app: RK Link
Datalogging	Logs user ID, station ID, Calibration & Bump Test history, Alarm Events & Alarm Trends
Standard Accessories	Alligator clip, protective rubber boot, charger, calibration adapter
Optional Accessories	Padded carrying case RP-3R Attachable sampling pump with 4” rubber nipple, 10’ hose and probe (up to 40’ hose available) USB to IrDA downloading cable for datalogger SDM-3R calibration station Hand aspirator
Safety Design / Approvals	ATEX, CSA, TIIS
Warranty	Three years material and workmanship including sensors (1 year for Ammonia sensor)

Features

Smallest & lightest detector
Detect up to 5 gases simultaneously
– Confined Space: LEL, O2, H2S, CO
– Toxics/IR Sensors: HCN, NH3, NO2, PH3, SO2, and CO2
– H2 Compensated CO sensor available
Simple 2-button operation
Bluetooth communication with iOS & Android App
3 user adjustable alarm levels
Panic Alarm & Man Down Alarm
Large full dot, auto-backlit display with auto-rotation
Field replaceable sensors & filters
Water and dust resistant design, IP66/68
3 Year Warranty*