Gas leak detectors, analyzers, alarm devices and calibration gas
SKU# (4138)

CALIBRATION TECHNOLOGIES  GG-VL-R22

$922.20     Availability: 3 Days
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CALIBRATION TECHNOLOGIES GG-VL-R22
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CTI GasGuard Refrigerant Vent Line for R22m R134a, R404a and R507a 0-1% (0-10000 ppm) for gas leak detection in refrigeration system relief valves (outdoor installations only). 4-20 mA output, 24VDC power supply and NEMA 4X stainless steel enclosure.

Part# with Options:        GG-VL-R22
Price with Options:        922.20

Options:    

Refrigerant
(1) Refrigerant for CTI GG-VL-R
Relay Output
(2) Fail-Safe Relay Output for Calibration Technologies GasGuard Detectors
RM420 Relay Output

  Availability 3 Days  ]

Key Features

  • Detects R22, R134a, R404a, R507a and other CFC / HFC / HCFC gases
  • Continuous monitoring of refrigeration system relief valves
  • Industry standard linear 4/20 mA output
  • Durability and long life of a solid-state sensor
  • Corrosion, weather and chemical resistant transmitter enclosure
  • Sensor designed for harsh environments from -46°F to +140°F
  • Sensor and preamp in one assembly - only one cable required
  • 0-1% (0-10,000ppm) allows for wide range of alarm setpoints
  • Ability to detect “weeping valves” to prevent refrigerant loss over time
  • Innovative sensor housing allows for simple & low cost sensor replacement

The GasGuard Vent Line utilizes a rugged solid-state sensor technology for fast leak detection and long life. The standard detection range of the GasGuard Vent Line provides real-time continuous monitoring of gas concentrations in your high- pressure relief vent header.

High concentrations of ammonia gases in your vent line are usually indications of a leaking valve or system overpressure. Either could mean costly repairs or plant downtime, not to mention loss of refrigerant. Early detection can save money and protect equipment and personnel.

The GasGuard Vent Line sensor provides an industry standard linear 4/20 mA output signal compatible with most gas detection systems and PLCs. Expect long sensor life and virtually zero signal drift over time. Minimum maintenance requirements include only a response check twice per year.

Applications

  • Refrigeration System Vent Lines (outdoor installations only)
Benefits

  • Low cost
  • Rugged and reliable
  • Simple sensor replacement
  • Typical sensor life 5 to 7 years

The GasGuard Vent Line sensor is designed for outdoor mounting. We recommend that the sensor be mounted 3’ to 5’ above the roofline on the relief discharge to atmosphere. The 1/2” pipe nipple of the supplied mounting kit should be welded to the relief discharge. The innovative mounting kit with union allows for easy and low cost sensor replacement.

The stainless steel enclosure provides the ultimate protection against any type of weather and will stay corrosion free. Every transmitter circuit board is sealed forever in potting compound, protecting electronic components and copper tracing from corrosion. Since the solid-state sensor is designed to endure the coldest of winters and hottest of summers, the output signal is not affected by extreme temperature variations. The life of the sensor is not affected by exposure to ammonia gases.

Specifications
DETECTION PRINCIPLE: Solid-state
DETECTION METHOD: Diffusion
GASES: R22, R134a, R404a and R507a
Other gases also available
RANGES: 0/1% (10,000 ppm)
OUTPUT SIGNAL: Linear 4/20 mA (max input impedance: 700 Ohms)
POWER SUPPLY: +24 VDC, 250 mA
ACCURACY: +/- 5% of value
ZERO DRIFT: Less than 1% per month, non-cumulative
SPAN DRIFT: Less than 1% of full-scale per month, non-cumulative
LINEARITY: +/- 5% of full-scale
REPEATABILITY: +/- 5% of full-scale
RESPONSE TIME: T90 = less than 30 seconds
WIRING CONNECTIONS: 3 conductor, shielded, stranded, 20 AWG cable (General Cable C2525A or equivalent) up to 1500 ft.
ENCLOSURE: INEMA 4X stainless steel gasketed housing.
Captive screw in hinged lid. For non-classified areas.
TEMPERATURE RANGE: -46°F to +140°F (-43°C to +60°C)
HUMIDITY RANGE: 5% to 100% condensing
DIMENSIONS: 4.8” high x 4.72” wide x 3.35” deep
WEIGHT: 5 lbs (includes mounting kit)
Export Info
Made inUnited States
Harmonized Tariff Code (HTC)9027102000

  • SENSORS (REPLACEMENT) > CALIBRATION TECHNOLOGIES
    GG-VL-NH3-RS Replacement sensor for the GasGuard Vent Line Ammonia (NH3) or Refrigerant 0-1% detector. ..

  • CONVERTERS > ANALOG INPUT TO ALARM RELAY
    RM420-LR Calibration Technologies Adjustable Setpoint Relay, 24Vdc 4-20mA to relay module, fail-safe relay output to any 4-20 mA device. SPDT relay, Form C contacts. ..

  • MULTI-POINT CONTROLLERS > 1-CHANNEL
    GG-EM CTI GasGuardian EM Entrance Monitor Controller/Alarm Panel for stand-alone or feed-through applications. 10A SPDT relay, 10-segment LED bargraph display of gas concentration, 4-20 mA input and NEMA 4X enclosure. ..

  • MULTI-POINT CONTROLLERS > 2-CHANNEL
    GG-2 CTI GasGuardian 2 2-Channel Controller/Alarm Panel for simultaneously monitor of two sensor locations. 6 onboard relays, horn relay, alarm log, 4-20 mA input, LCD display and NEMA 4X enclosure designed for washdown and outdoors. ..

  • MULTI-POINT CONTROLLERS > 6-CHANNEL
    GG-6 CTI GasGuardian 6 6-Channel Controller/Alarm Panel for simultaneously monitor of up to 30 sensors (with expansion modules). 6 onboard relays, horn relay, alarm log, 4-20 mA input, LCD display and NEMA 4X enclosure designed for washdown and outdoors. ..


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> GAS DETECTORS (GENERAL-PURPOSE) > REFRIGERANTS :    30 Items found.
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Bacharach MGS-450 Gas Detector Transmitter with semiconductor sensor for Refrigerant Gases (HFC, CFC, HCFC) 0-5000ppm measurement in Refrigeration Applications. 3 x relays (low, high & fault), analog output (4 to 20 mA, 0 to 5 V, 0 to 10 V, 1 to 5 V, 2 to 10 V), RS485 MODBUS RTU output, audible & visual alarms. IP41 or IP66 Housing. CE, UL and CSA Approvals. Factory configured for either R600A, R290, R600 or HC12a. Mobile App Bluetooth Interface.

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