Crowcon Sensitron Smart 3H Lite Gas Detector

Crowcon Sensitron Smart 3H Lite Gas Detector

Code: S3843R32
  • For refrigerant gases & CO2
  • Compact design
  • IR sensor

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The Smart 3H Lite has been designed to monitor the refrigerant gases and carbon dioxide in hotels and residential areas.

The design aims to have a cost-effective product, thanks to the presence of a special infrared sensor.

Three intelligent LEDs that uniformly illuminate the semi-transparent crown constantly display the detector status.

The Smart 3H Lite gas detector is developed in two versions, one powered at 12-24 Vdc and one at 90-240 Vac; in both versions, there is an RS485 serial output and two relays.

The housing is made of polycarbonate and has an IP42 degree of protection.

Order Information

SMART 3-H LITE – refrigerant gases (Infrared sensor) Range 0-20%LFL
S3843R32 R32 DIFLUOROMETHANE detector, alarm thresholds set at 5% & 10% LFL
S3844R1234YF R1234yf detector, alarm thresholds set at 5% & 10% LFL
S3845R1234ZE R1234ze detector, alarm thresholds set at 5% & 10% LFL
S3848R454A R454A detector, alarm thresholds set at 5% & 10% LFL
S3849R454B R454B detector, alarm thresholds set at 5% & 10% LFL
S3850R454C R454C detector, alarm thresholds set at 5% & 10% LFL
S3851R452B R452B detector, alarm thresholds set at 5% & 10% LFL
SMART 3-H LITE – refrigerant gases (Infrared sensor) Range 0-5000 ppm
S3846R134A R134a detector, alarm thresholds set at 1000 & 2000 ppm
S3847R410A R410A detector, alarm thresholds set at 1000 & 2000 ppm
S3854R32 R32 detector, alarm thresholds set at 1000 & 2000 ppm
S3855R404A R404A detector, alarm thresholds set at 1000 & 2000 ppm
S3856R407C R407C detector, alarm thresholds set at 1000 & 2000 ppm
S3857R1234YF R1234YF detector, alarm thresholds set at 1000 & 2000 ppm
S3858R1234ZE R1234E detector, alarm thresholds set at 1000 & 2000 ppm
S3859CO2 CO2 detector, alarm thresholds set at 1000 & 2000 ppm
CALIBRATION TOOLS for SMART 3H-FM Lite
STS/CKD+ Enhanced calibration keypad with 7-digit display. It can be connected to SENSITRON’S SMART detectors to adjust the Zero, Span and 4-20 mA values.

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    Title Size
    SMART 3H LITE Datasheet 131 KB

    Additional information

    Weight 0.190 kg

    Specifications

    Sensor
    Application Hotel and residential
    Sensing element Infrared
    Predicted sensor life >5 years
    Gas detected R32, R1234YF, R1234ZE, R454A,R454B, R454C, R452B, R134A, R410A, R404A, R407C, CO2
    Fullscale 0-20% LFL
      0-5000 ppm
    Alarm thresholds 5 e 10% LFL
      1000 e 2000 ppm
    Electrical data  
    Power supply 12-24 Vdc or 90-240 Vac
    Signal output 2 relays; RS485 serial output
    Power consumption 150 mA at 24 Vdc
    Relays contact rating 1.0 A at 30 Vdc
    Optical indications 3 smart LEDs
    Acoustic indications Buzzer 70 dB
    Hall effect sensor Yes, for buzzer silence
    External case  
    Material Polycarbonate
    Dimensions D: 95.5mm H:52.5 mm
    Weight 200 g
    Cable entries Lateral entry: pre-formed guide that can be drilled for M16 fairlead (supplied with the gas
    detector)
      Entry on the bottom: 10 mm hole.
    IP grade IP42
    Environmental conditions  
    Storage temperature -40/ +85°C
    Operating temperature -10 / +50°C
    Operating humidity 0 / 95% RH non condensing
    Compliance  
    EMC EN 61000-6-3:2007 + A1:2011; EN 50270:2015
    Refrigeration Standards EN 378-3; EN 14624; EN 50676; IEC 60335-2-40
      Annex LL; ISO 5149-3; F-Gas Regulation

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