Crowcon Sensitron SMART S-SS Gas Detector with Electrochemical Cell

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Crowcon Sensitron SMART S-SS Gas Detector with Electrochemical Cell

Designed to meet the toughest industrial standards, the SMART S-SS series gas detectors are used to detect, in classified areas (zone 1 and, if equipped with the dust adapter, zone 21), the presence of toxic substances (ppm).

The premium electrochemical cell is used as a sensing element for the reading of toxic gases, which is well suited for detecting substances at low concentrations. The sensor is housed in a stainless steel head with a diameter of 47.5 mm.

The detector has a 12-24 Vdc power supply, a 4-20 mA signal output and an RS485 signal.

The SMART S-SS has a display (LCD or LED) to monitor the concentration in real-time and Hall effect sensors for non-intrusive calibration in the field.

To adapt to the customer’s needs, the SMART S-SS detector has the following customization possibilities:

  • Choice of the sensor head based on the gas to be detected
  • Choice of a transmitter (3-relay board, HART modem)
  • Choice of enclosure (aluminium/steel, number of entrances)

3A Transmitter – Exd Aluminum Enclosure

Part Number Description
SSS3A11 Electronic with output RS485 + 4-20 mA, LCD display
SSS3A12 Electronic with output RS485 + 4-20 mA, LED display
SSS3A13 Electronic with output RS485 + 4-20 mA, LCD display, relay card
SSS3A14 Electronic with output RS485 + 4-20 mA, LED display, relay card
SSS3A17 Electronic with output RS485 + 4-20 mA, LCD display, relay card, Modem Hart
SSS3A18 Electronic with output RS485 + 4-20 mA, LED display, relay card, Modem Hart

4A Transmitter – Exd Aluminum Enclosure

Part Number Description
SSS4A11 Electronic with output RS485 + 4-20 mA, LCD display
SSS4A12 Electronic with output RS485 + 4-20 mA, LED display
SSS4A13 Electronic with output RS485 + 4-20 mA, LCD display, 3-relay card
SSS4A14 Electronic with output RS485 + 4-20 mA, LED display, 3-relay card
SSS4A17 Electronic with output RS485 + 4-20 mA, LCD display, 3-relay card, Modem Hart
SSS4A18 Electronic with output RS485 + 4-20 mA, LED display, 3-relay card, Modem Hart

2S Transmitter – Stainless Steel Enclosure

Part Number Description
SSS2S11 Electronic with output RS485 + 4-20 mA, LCD display
SSS2S12 Electronic with output RS485 + 4-20 mA, LED display
SSS2S13 Electronic with output RS485 + 4-20 mA, LCD display, 3-relay card
SSS2S14 Electronic with output RS485 + 4-20 mA, LED display, 3-relay card
SSS2S17 Electronic with output RS485 + 4-20 mA, LCD display, 3-relay card, Modem Hart
SSS2S18 Electronic with output RS485 + 4-20 mA, LED display, 3-relay card, Modem Hart

SMART S Heads (ECS Premium Electrochemical Cell)

Sensor Part Number Description
S4005O2 OXYGEN (O2) sensor head, 0-25% Vol.
S4166CO CARBON MONOXIDE (CO) sensor head, 0-100 ppm
S4006CO CARBON MONOXIDE (CO) sensor head, 0-500 ppm
S4021CO CARBON MONOXIDE (CO) sensor head, 0-1000 ppm
S4022AM AMMONIA (NH3) sensor head, 0-100 ppm
S4007AM AMMONIA (NH3) sensor head, 0-200 ppm
S4008AM AMMONIA (NH3) sensor head, 0-1000 ppm
S4009HS HYDROGEN SULPHIDE (H2S) sensor head, 0-50 ppm
S4028HS HYDROGEN SULPHIDE (H2S) sensor head, 0-20 ppm
S4029HS HYDROGEN SULPHIDE (H2S) sensor head, 0-100 ppm
S4010NO NITRIC OXIDE (NO) sensor head, 0-100 ppm
S4089H2 HYDROGEN (H2) sensor head, 0-1000 ppm
S4168H2 HYDROGEN (H2) sensor head, 0-2000 ppm
S4169H2 HYDROGEN (H2) sensor head, 0-3000 ppm

Accessories for SMART3G-C3 Gas Detectors

Part Number Description
STS/CKD+ Enhanced calibration keypad with 7-digit display and SD-CARD slot for Zero, Span and 4-20 mA adjustments and firmware update
STS/CKD-OLED Advanced calibration keypad with OLED display, graphical concentration visualization, data logging via SD card and firmware update capability

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