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    Shaw Superdew 3 - Hygrometer for Moisture in Dry Air and Gas

    Manufacturer:
    The SUPERDEW 3 Model from Shaw Moisture Meters is a single channel on-line hygrometer designed to measure dewpoint in process gases and compressed air.
    Part Number: SUPERDEW-3
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    Quality Control at Your Fingertips: Monitor & Measure Dewpoints Easily 

    The Superdew 3 single channel hygrometer is designed to measure dewpoint in process gases and dry compressed air. The panel mounted enclosure provides panel protection to IP54.

    The combination of the highly accurate, repeatable SHAW moisture sensor and advanced digital electronics, make this the instrument of choice for a wide range of applications where precise measurement, control and monitoring is critical. Each dewpoint sensor is calibrated to provide an overall system accuracy of better than ±2 °C (±3.6 °F) dewpoint and supplied with a Certificate of Calibration traceable to National & International Humidity Standards.

    Superdew 3 can be user configured to display in °C, °F, ppm(v) or lb/MMSCF on an easy to read five character LED display.

    The instrument offers two fully programmable alarm relays, which can be independently set across the full operating range of the dewpoint sensor. Set points can be viewed and adjusted from the front panel keypad.

    An isolated 4-20 mA analogue output is supplied as standard. The span of this output can be configured across the range of the dewpoint sensor and the system allows for the Superdew 3 instrument to be sited in excess of 1,000 metres away from the sensor.

    The Superdew 3 Dewpoint Hygrometer Package is fully configured according to customer specification and consists of the Superdew 3 single channel analyser, the SHAW moisture sensor, a sensor holder and two metres of sensor cable.


    Features

    • User selectable digital indication in °C, °F, ppm(v) or lb/MMSCF
    • Accuracy ±2 °C (±3.6 °F) dewpoint
    • Various ranges: overall range -100 °C to +20 °C (-148 °F to +68 °F) dewpoint
    • Universal input: 90 V to 250 V AC (24 V DC option available)
    • Automatic calibration (AutoCal)
    • Two alarms (view/adjust set points from front panel)
    • Linear isolated 4 – 20 mA retransmission signal, adjustable span
    • Fully interchangeable SHAW sensors and ranges
    • Two years guarantee on meter and dewpoint sensor
    • IP65 rated front panel
    • Large clear digital display with back light
    • User friendly and advanced functionality
    • Supplied with Calibration Certificate traceable to National & International Humidity Standards

    Technical Information

    Superdew 3
    Sensor SHAW Ultra High Capacitance Aluminium Oxide Sensor
    Ranges P (Purple): -100 °C to 0 °C dewpoint 0-6,000 ppm(V)
    S (Silver): -100 °C to -20 °C dewpoint 0-1,000 ppm(V)
    G (Grey): -80 °C to 0 °C dewpoint 0-6,000 ppm(V)
    R (Red): -80 °C to -20 °C dewpoint 0-1,000 ppm(V)
    B (Blue): -80 °C to +20 °C dewpoint 0-23,000 ppm(V)
    Approvals CE and UKCA
    AutoCal Field calibration/span check facility. Activated and
    operated via potentiometer on the front of the
    instrument.
    Factory Calibrations Supplied with Certificate of Calibration traceable to the
    National Physical Laboratory (NPL)
    Accuracy ±2 °C (±3.6 °F) dewpoint
    NPL traceable -90 °C to +20 °C (-130 °F to +68 °F)
    Reasolution 0.1 °C, 0.1 °F dewpoint or 0.1 ppm(v)
    Repeatability Better than ±0.3 °C (±0.54 °F) dewpoint
    Operating Temperature -20 °C to +60 °C (-4 °F to +140 °F)
    Storage Temperature -20 °C to +70 °C (-4 °F to +158 °F)
    Response Times Wet to dry: -20 °C to -60 °C - less than 120 secs
    Dry to wet: -100 °C to -20 °C - less than 20 secs
    Sample Flow Rate Flow independent but ideally 2 - 5 litres per minute
    Max: 25 litres/min
    Calibration Warranty 12 months from date of dispatch

    Electrical
    Electromagnetic Compatibility (ECM) Immunity: Complies with EN 61326:2006
    Emissions: Complies with EN 61326:2006
    Warm Up Time 5 seconds
    Fault Conditions Short circuit/over range: display reads “Short” and output
    drives to 24.0 mA
    Output Signal Isolated 4 - 20 or 0 - 20 mA Linear
    Operating Voltage 90 to 250 V AC 50/60 Hz or 24 V DC
    Display 5 character LED
    Alarms Two single pole changeover contacts (NO/C/NC), rated at
    10 A at 240 V AC. Alarm trip at set point with 0.1 °C (or
    equivalent) hysteresis to eliminate relay chatter
    Cable Supplied with two metre low loss coaxial cable

    Mechanical
    Operating Pressure From 1kPa (0.01 barA) to maximum 35,000 kPa (350 barA)
    Operating Humidity (External) Maximum - 95% RH non-condensing
    Enclosure DIN Style, 144 mm wide, 72 mm high by 116 mm deep ABS
    case
    Mounting Panel mount 138.0 x 68.0 mm (DIN 43700)
    Sensor Protection 316 sintered stainless steel filter - 50 micron
    Probe Material (Wetted Parts) 316 stainless steel
    Weatherproof Classifications Front panel only - IP54

    Quality Control at Your Fingertips: Monitor & Measure Dewpoints Easily 

    The Superdew 3 single channel hygrometer is designed to measure dewpoint in process gases and dry compressed air. The panel mounted enclosure provides panel protection to IP54.

    The combination of the highly accurate, repeatable SHAW moisture sensor and advanced digital electronics, make this the instrument of choice for a wide range of applications where precise measurement, control and monitoring is critical. Each dewpoint sensor is calibrated to provide an overall system accuracy of better than ±2 °C (±3.6 °F) dewpoint and supplied with a Certificate of Calibration traceable to National & International Humidity Standards.

    Superdew 3 can be user configured to display in °C, °F, ppm(v) or lb/MMSCF on an easy to read five character LED display.

    The instrument offers two fully programmable alarm relays, which can be independently set across the full operating range of the dewpoint sensor. Set points can be viewed and adjusted from the front panel keypad.

    An isolated 4-20 mA analogue output is supplied as standard. The span of this output can be configured across the range of the dewpoint sensor and the system allows for the Superdew 3 instrument to be sited in excess of 1,000 metres away from the sensor.

    The Superdew 3 Dewpoint Hygrometer Package is fully configured according to customer specification and consists of the Superdew 3 single channel analyser, the SHAW moisture sensor, a sensor holder and two metres of sensor cable.


    Features

    • User selectable digital indication in °C, °F, ppm(v) or lb/MMSCF
    • Accuracy ±2 °C (±3.6 °F) dewpoint
    • Various ranges: overall range -100 °C to +20 °C (-148 °F to +68 °F) dewpoint
    • Universal input: 90 V to 250 V AC (24 V DC option available)
    • Automatic calibration (AutoCal)
    • Two alarms (view/adjust set points from front panel)
    • Linear isolated 4 – 20 mA retransmission signal, adjustable span
    • Fully interchangeable SHAW sensors and ranges
    • Two years guarantee on meter and dewpoint sensor
    • IP65 rated front panel
    • Large clear digital display with back light
    • User friendly and advanced functionality
    • Supplied with Calibration Certificate traceable to National & International Humidity Standards

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