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Gas and Specialty Sensors

GDD Series



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GDD Series

Kele Dual Sensor Gas Detectors GDD Series

Kele Dual Sensor Gas Detectors

 

The Kele GDD Series Dual Sensor Gas Detector simultaneously monitors two different gases in two different locations. The detector consists of a base unit with built-in sensor coupled with a remote sensor that can be installed up to 200 feet (6om) away. The modular design adds functionality and flexibility with pre-calibrated plug-in sensors. The GDD Series provides a 4-20 mA output in proportion to the level of gas present and two relay outputs on base unit only to activate additional horns, strobes, or ventilation systems. The unit features a two-line LCD for local indication, self test diagnostics, and a built-in 85 dBA buzzer. The remote sensor is sold seperately.The GDD Series Dual Sensor Gas Detector is designed to be used as part of a control system that helps to prevent the formation of a hazardous environment when properly installed and maintained.


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QtyModelDescriptionIn StockList PriceInternet Price
GDD-CH4 CH4 METHANE GAS DETECTOR DUAL SENSINGIn Stock1,429.00800.24
GDD-CO-1 CO GAS DETECTOR DUAL SENSINGIn Stock1,120.00627.20
GDD-CO1RNO2 CO GAS DETECTOR DUAL SENSING W/NO2 REMOTE SENSORIn Stock1,807.001,011.92
GDD-H2 H2 GAS DETECTOR DUAL SENSINGIn Stock1,429.00800.24
GDD-H2S H2S GAS DETECTOR DUAL SENSINGIn Stock1,428.00799.68
GDD-NO2 NO2 GAS DETECTOR DUAL SENSINGIn Stock1,429.00800.24
GDD-O2 O2 GAS DETECTOR DUAL SENSINGIn Stock1,429.00800.24
GDD-RC3H8 C3H8 PROPANE REMOTE SENSORINFO742.00415.52
GDD-RCH4 CH4 REMOTE METHANE SENSORIn Stock753.00421.68
GDD-RCO CO REMOTE CARBON MONOXIDE SENSORIn Stock753.00421.68
GDD-RH2 H2 REMOTE HYDROGEN SENSORIn Stock746.00417.76
GDD-RH2S H2S REMOTE SENSORINFO767.00429.52
GDD-RNO2 NO2 REMOTE SENSORIn Stock751.00420.56
GDD-RO2 O2 REMOTE OXYGEN SENSORIn Stock744.00416.64
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Accessories

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Features
  • Simultaneously monitor two gases in different locations
  • Pre-calibrated plug-in sensors
  • Built-in 85 dBA buzzer
  • 4-20 mA and two relay outputs on base unit only
  • Wide variety of gases detected
  • Two-line LCD display
  • Easy installation, commissioning, and operation
  • LED status indication
  • Password protection
  • Programmable relay differential
Specifications

Supply Voltage:17-27 VAC @ 8.4 VA, 50/60 Hz or 24-38 VDC @ 350 mA

Accuracy:±3%

Signal Output:4-20 mA (500Ω) base unit only

Measurement Range:

CO:0-250 ppm

O2:0% to 25%

H2S:0-50 ppm

N2O :0-10 ppm

CH4, C3H6, H2:0% to 100% L.E.L.

Sensing Technology:

CO, O2, H2S, NO2: Electrochemical

CH4, C3H6, H2:Catalytic combustion

Calibration Interval:6 months

Life Expectancy:

CO: 6 years

All Others:2 Years

Visual Indication:Green LED: power Amber LED 1: Alarm/fault Amber LED 2: Alarm/fault

Response Time:50 seconds or less

Display:8 character, two-line LCD

Display Resolution:

CO:1 ppm

O2:0.2%

H2S, NO2:0.2 ppm

CH4, C3H6, H2:0.5%

Relay Output:(2) DPDT pilot duty, 150 VA max inductive, 5A @ 30 VDC, 250 VAC (base unit only)

Alarm Auditory Levels [Db]:85 dBA @ 10 ft (3m)

Operating Temperature:

O2,H2S,N2O,CH4,C3H6,H2:-40° to 122°F (-40° to 50°C)

CO: -4° to 122°F (-20° to 50°C)

Operating Humidity:15 to 90% non-condensing

Dimensions:Base unit 8.1''H x 5.9''W x 2.7''D (20.6 x 14.9 x 6.7 cm), Remote sensor 2.6''H x 1.8''W x 1.4''D (6.5 x 4.5 x 3.5 cm)

Weight:

Wall:1.84 lb (0.83 Kg)

Remote: 0.42 lb (0.19 Kg)

Remote sensor 2.6''H x 1.8''W x 1.4''D (6.5 x 4.5 x 3.5 cm):

Approvals:ETL

Warranty:1 year

Certifications




 

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