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Cool Guardian R290 Propane Refrigerant Gas Detector with Semiconductor Sensor; Measuring Scale 0-2,500 PPM

The Seitron Cool Guardian Refrigerant Detector # SRQN23B is manufactured by Seitron. Valley Instrument Service is an authorized Seitron dealer offering full sales support, NIST-traceable calibration, and expert technical assistance.

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Cool Guardian R290 Propane Refrigerant Gas Detector with Semiconductor Sensor; Measuring Scale 0-2,500 PPM

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Our team can help with product selection, specs, pricing, and application support.

Target Gas	R290 (Propane)
Sensor Type	Semiconductor
Measuring Scale	0–2,500 ppm

Model	Description	Target Gas	Sensor Type	Measuring Scale	Price
SRFN21B	Cool Guardian R134a: Refrigerant Gas Detector with Semiconductor Sensor for R134a; Measuring Scale 0-1,000 PPM	R134a	Semiconductor	0–1,000 ppm	Request Quote	View Details →
SREN21B	Cool Guardian R407c: Refrigerant Gas Detector with Semiconductor Sensor for R407c; Measuring Scale 0-1,000 PPM	R407c	Semiconductor	0–1,000 ppm	Request Quote	View Details →
SRBN21B	Cool Guardian R410a: Refrigerant Gas Detector with Semiconductor Sensor for R410a; Measuring Scale 0-1,000 PPM	R410a	Semiconductor	0–1,000 ppm	Request Quote	View Details →
SRAN21B	Cool Guardian R32: Refrigerant Gas Detector with Semiconductor Sensor for R32; Measuring Scale 0-1,000 PPM	R32	Semiconductor	0–1,000 ppm	Request Quote	View Details →
SRDN22B	Cool Guardian CO2: Refrigerant Gas Detector with IR Sensor for CO2; Measuring Scale 0-10,000 PPM	CO2	Infrared (IR)	0–10,000 ppm	Request Quote	View Details →
SRLN21B	Cool Guardian R454b: Refrigerant Gas Detector with Semiconductor Sensor for R454b; Measuring Scale 0-1,000 PPM	R454b	Semiconductor	0–1,000 ppm	Request Quote	View Details →
SRPN28B	Cool Guardian R717 Ammonia NH3 Refrigerant Gas Detector with Electrochemical Sensor; Measuring Scale 0-100 PPM	R717 (Ammonia / NH3)	Electrochemical	0–100 ppm	Request Quote	View Details →
SRQN23BCurrent	Cool Guardian R290 Propane Refrigerant Gas Detector with Semiconductor Sensor; Measuring Scale 0-2,500 PPM	R290 (Propane)	Semiconductor	0–2,500 ppm	Request Quote	Viewing

Target Gas	R290 (Propane)
Sensor Type	Semiconductor
Measuring Scale	0–2,500 ppm

Model	Description	Target Gas	Sensor Type	Measuring Scale	Price
SRFN21B	Cool Guardian R134a: Refrigerant Gas Detector with Semiconductor Sensor for R134a; Measuring Scale 0-1,000 PPM	R134a	Semiconductor	0–1,000 ppm	Request Quote	View Details →
SREN21B	Cool Guardian R407c: Refrigerant Gas Detector with Semiconductor Sensor for R407c; Measuring Scale 0-1,000 PPM	R407c	Semiconductor	0–1,000 ppm	Request Quote	View Details →
SRBN21B	Cool Guardian R410a: Refrigerant Gas Detector with Semiconductor Sensor for R410a; Measuring Scale 0-1,000 PPM	R410a	Semiconductor	0–1,000 ppm	Request Quote	View Details →
SRAN21B	Cool Guardian R32: Refrigerant Gas Detector with Semiconductor Sensor for R32; Measuring Scale 0-1,000 PPM	R32	Semiconductor	0–1,000 ppm	Request Quote	View Details →
SRDN22B	Cool Guardian CO2: Refrigerant Gas Detector with IR Sensor for CO2; Measuring Scale 0-10,000 PPM	CO2	Infrared (IR)	0–10,000 ppm	Request Quote	View Details →
SRLN21B	Cool Guardian R454b: Refrigerant Gas Detector with Semiconductor Sensor for R454b; Measuring Scale 0-1,000 PPM	R454b	Semiconductor	0–1,000 ppm	Request Quote	View Details →
SRPN28B	Cool Guardian R717 Ammonia NH3 Refrigerant Gas Detector with Electrochemical Sensor; Measuring Scale 0-100 PPM	R717 (Ammonia / NH3)	Electrochemical	0–100 ppm	Request Quote	View Details →
SRQN23BCurrent	Cool Guardian R290 Propane Refrigerant Gas Detector with Semiconductor Sensor; Measuring Scale 0-2,500 PPM	R290 (Propane)	Semiconductor	0–2,500 ppm	Request Quote	Viewing

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