RKI GX-3R Confined Space 4 Gas Monitor

The RKI GX-3R is the world’s smallest 4-gas monitor, weighing only 3.52 ounces, and can be comfortably fixed in a worker’s breathing area (2.2″ W x 2.55″ H x 1, 02″ D).

SKU:22211

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RKI GX-3R Confined Space 4 Gas Monitor

The RKI GX-3R is the world’s smallest 4-gas monitor, weighing only 3.52 ounces, and can be comfortably fixed in a worker’s breathing area (2.2″ W x 2.55″ H x 1, 02″ D). It simultaneously monitors and displays LEL, O2, CO (hydrogen-compensated CO also available), and H2S combustibles.

The GX-3R represents the latest development in gas detection technology using a new generation of microsensors. The LEL sensor features a unique design with two active fibers in a single sensor for increased resistance to silicone contamination. If one filament becomes poisoned, a second filament takes over. The new O2 sensor is electrochemical with a lifespan of 3 to 5 years. H2S and CO are now available in a combined microsensor.

Safety managers will appreciate a non-compliance indicator. The device will flash 3 LEDs every 30 seconds under the following conditions; if the instrument has not been tested for gas if calibration is required, or if a gas alarm event has occurred. The 3 LEDs will continue to flash every 30 seconds until the non-compliance is resolved. The 30-second interval is adjustable.

RKI GX-3R Features

  • Smallest & lightest 4 gas monitor
  • 2.2″ W x 2.55″ H x 1.02″ D, 3.52 ounces
  • Simultaneous detection of 4 gases
  • LEL, O2, H2S & CO
  • H2 Compensated CO sensor available
  • Simple 2-button operation
  • Non-Compliance Indicator
  • Alarms: audible, visual, & vibration
  • 3 user-adjustable alarm levels
  • 25 hours of operation (Lithium-ion battery)
  • Water and dust resistant design, IP66/68

RKI GX 3R Four Gas Monitor Specifications

To read the specifications of RKI GX-6000 please download the Datasheet.

RKI Instruments GX-3R Applications  

  • Personal monitoring
  • Confined spaces
  • Refineries/petrochemical
  • Utilities
  • Oil and Gas
  • Water/Wastewater
  • Fire Services
  • Construction
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Brand

RKI

RKI Instruments

RKI Instruments, Inc. is a well-known brand specializing in the design and manufacture of reliable and advanced gas detection equipment. Founded in 1994 and based in Union City, California, RKI Instruments has established itself as a leader in the gas detection industry, particularly noted for its high-quality portable and fixed systems that detect various hazardous gases.

The brand offers a broad range of gas detection solutions, including single-gas detectors, multi-gas detectors, fixed gas detection systems, and various accessories designed for safety applications in industries such as oil and gas, utilities, emergency services, and environmental monitoring. RKI is known for its commitment to durability, reliability, and accuracy in its products, which are critical in environments where safety is of paramount importance.

RKI Instruments prides itself on its innovative approach to gas detection. The company's products often incorporate advanced technologies such as wireless communication and state-of-the-art sensors that can detect low levels of a wide variety of gases. They also emphasize ease of use and maintenance, ensuring that their devices are both user-friendly and capable of performing in harsh conditions.

Customer service and support are key focuses for RKI, with the company offering extensive training, service, and support to ensure that their products perform optimally and that customers can use them safely and effectively.

Overall, RKI Instruments stands out in the safety and detection industry for its robust product offerings and its dedication to advancing gas detection technology for the protection of lives and property in industrial and hazardous conditions.

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Datasheet

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Specifications

Gas detector
Alarm

Alarm Display: 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, Alram rypes: Gas Alarm: 3 Increasing alarms, STEL, TWA, overscale alarm. O2 decreasing/increasing. Trouble alarm: Sensor disconnection, low battery, circuit error, calibration range error

Gas measuring name/range/reso;ution/accurracy

Accuracy CO: ± 5% of reading or ± 5 ppm CO (whichever is greater), Accuracy H2S: ± 5% of reading or ± 2 ppm H2S (whichever is greater), Accuracy O2: ± 0.5% of reading O2, Combustible Gases (Methane as standard) Acuracy: ± 5% of reading or ± 2% LEL (whichever is greater), Combustible Gases (Methane as standard): 0 ~ 100% LEL (1% LEL), Range CO: 0 ~ 2,000 ppm (1 ppm), Range H2S: 0 ~ 200.0 ppm (0.1 ppm), Range O2: 0 ~ 40% Vol. (0.1%)

Gas type

arbon Monoxide(CO, Hydrogen Sulfide(H2S), Oxygen, Combustible Gases (Methane as standard)

Sensor type

Electrochemical, Catalytic combustion

Mechanical and General Specifications
Dimensions

2.2” W x 2.55” H x 1.02” D (Approx. 58 W x 65 H x 26 D mm)

Weight

3.52 ounces (approx. 100 g)

IP rating

IP-66/68

Power

Lithium-ion battery, Approx. 25 hours after a 3 hour full charge

Accessories

Alligator clip, protective rubber boot, charger, and calibration adapter

Operating temperature

-20°C ~ +50°C [ -4°F ~ +122°F ]

Other features of the device

Response Time: Within 30 seconds (T90)

More
Controls

Two buttons: POWER / MODE, AIR

Case Material

Dust and water resistant to IP-66/68 (2m,1h) approval. Drop height 23 ft

Datalogging

Logs user ID, station ID, Calibration & Bump Test history, Alarm Events & Alarm Interval Trends

Sampling Method

Diffusion sampling standard (hand aspirator or clip-on motorized pump optional)