GX-3R Pro Specifications - Portable Gas Monitor by RKI Instruments

Specifications

Gas Detected	(CO) H2 Compensated	Carbon Monoxide(CO)	Hydrogen Sulfide(H2S)	H2S Only	Combustible Gases (Methane as standard)
		Dual Sensor
Sensor Slot	1				2
Detection Principle	EC	Dual EC		EC	Catalytic combustion
Detection Range (Increments)	0 ~ 2,000 ppm (1 ppm)		0 ~ 200.0 ppm (0.1 ppm)		0 ~ 100% LEL (1% LEL)
Accuracy Statement	± 5% of reading or ± 2 ppm CO	± 5% of reading or ± 5 ppm CO (whichever is greater)	± 5% of reading or ± 2 ppm H2S (whichever is greater)		± 5% of reading or ± 2% LEL (whichever is greater)
Sampling Method	Diffusion sampling standard (hand aspirator or clip-on motorized pump optional)
Display	Digital LCD displays with 7 segment plus 14 segment plus icon
Preset Alarms (User Adjustable) Overscale alarm (Non-adjustable)	1st alarm: 25.0 ppm 2nd alarm: 50.0 ppm 3rd alarm: 1200.0 ppm TWA alarm: 25.0 ppm STEL alarm: 200.0 ppm Over alarm: 2000.0 ppm		1st alarm: 5.0 ppm 2nd alarm: 30.0 ppm 3rd alarm: 100.0 ppm TWA alarm: 1.0 ppm STEL alarm: 5.0 ppm Over alarm: 200.0 ppm		1st alarm: 10% LEL 2nd alarm: 25% LEL 3rd alarm: 50% LEL Over alarm: 100% LEL
Types of Alarms	Gas Alarm: 3 Increasing alarms, STEL, TWA, overscale alarm. O2 decreasing/increasing. Trouble alarm: Sensor disconnection, low battery, circuit error, calibration range error
Display of Alarm	Gas Alarm: Flashing LEDs, continuous buzzer (100 db @ 30 cm), flashing gas value, vibration Trouble alarm: Flashing LEDs, intermittent buzzer (95 db @ 30 cm), 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, 15 minutes)
Response Time	Within 30 seconds (T90)
Power Source	Lithium-ion battery, Approx. 25 hours after a 3 hour full charge
Approvals	ATEX, CSA (Pending)
Dimension & Weight	2.2” W x 2.55” H x 1.02” D (Approx. 58 W x 65 H x 26 D mm), 3.52 ounces (approx. 100 g) without rubber booth 2.4” W x 2.63” H x 1.06” D (Approx. 61 W x 67 H x 27 D mm), 3.70 ounces (approx. 105 g) with rubber booth
Case Material	Explosion proof, dust and water resistant to IP-66/68 (2m,1h) approval. Drop height 23 ft
Controls	Two buttons: POWER / MODE, AIR
Datalogging	Logs user ID, station ID, Calibration & Bump Test history, Alarm Events & Alarm Interval Trends
Standard Accessories	Alligator clip, protective rubber boot, charger, and calibration adapter
Optional Accessories	SDM-3R calibration station RP-3R Clip-on sampling pump with 4” rubber nipple, 10’ hose and probe (up to 40’ hose available) Padded carrying case for GX-3R and accessories USB to IrDA downloading cable for datalogger
Warranty	Three years material and workmanship

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
SO2	EC	0 ~ 100.0 ppm (0.05 ppm)	± 10% of reading or ± 5 % of full scale	A1: 2 ppm│ A2: 5 ppm A3: 100 ppm│ TWA: 0.25 ppm STEL: 0.25ppm
*CO2 IR sensor available AUG 2019
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

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 • Overscale 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 + IR	16 hours		7 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	Explosion proof, 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 (Pending)
Warranty	Three years material and workmanship including sensors
*specifications subject to change

Input Power	12 VDC NOTE: AC Adapter with 100 - 240 VAC, 50/60 Hz, 0.6A input and 12 VDC, 1.2A output provided as standard.
Environmental Conditions	• For Indoor Use Only • -10° C to 40° C, below 80% Relative Humidity, Non-Condensing
Applicable Instruments	GX-2009
Maximum Number of Records Saved	200 (stand-alone). Unlimited with software
Number of Calibration Gas Cylinders	1 Calibration gas, 1 fresh air and 1 exhaust
Standard Accessories	AC Adapter USB Flash Drive Single Module Data Viewer Software SDM GX Docking Station PC Controller Program Inlet Air Filter Instruction Manual 10 Foot Long Exhaust Tube One 3 Foot Long Tube for GAS Fitting 2 T-Fittings (for PC Controlled Configuration only) 10 Foot Long 3/16 Inch Tube for GAS manifold- ing (used for PC Controlled Configuration only) Check Valve (used for PC Controlled Configuration only) USB Cable, Type A to Type B

Specifications subject to change without notice.