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Testo 6651 (0555 6651) Humidity Transmitter for Critical Climate
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The Highest accuracy up to ±1.0 % RH
First humidity transmitter with Profibus-DP interface
Self-monitoring and early warning guarantee high system availability
Optimum adjustment concept thanks to adjustment of the entire signal chain incl. analog adjustment
P2A software for parameterization, adjustment and analysis saves time and costs in commissioning and maintenance
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Transmitters
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Testo 6681 (0555 6681) Industrial Humidity Transmitter
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The Highest accuracy up to ±1.0 % RH
First humidity transmitter with Profibus-DP interface
Self-monitoring and early warning guarantee high system availability
Optimum adjustment concept thanks to adjustment of the entire signal chain incl. analog adjustment
P2A software for parameterization, adjustment and analysis saves time and costs in commissioning and maintenance
Calculation and presentation of all relevant humidity parameters
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Transmitters
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Testo 6721 (0555 6721) Plastic Pressure Dewpoint Guard
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Plastic pressure dewpoint guard
Ideal for compressed air cooling driers
Avoid moisture damage by monitoring the cooling drier
Testo humidity sensor (with special trace humidity adjustment) and NTC temperature sensor
Ambient temperature: 0 to 50 ° C
Storage temperature: -40 to 70 ° C
Measurement range/pressure dewpoint: -30 to 30 ° C
Process connection: G1/2 thread
Plastic PAA GF30 housing material
Power supply: 24 VAC/VDC (20 to 30 VAC/VDC max), power consumption 50 mA
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Transmitters
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Testo 6741 (0555 6741) Plastic Polymer Dewpoint Transmitter G1/2
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Highest reliability
Calculation of the most important trace humidity variables
Adjustment report
Convenient operation
Analog output 4 to 20 mA, 2-wire technology
Ambient temperature: -20 to 70 ° C
Storage temperature: -40 to 80 ° C
Protection class: IP 65
Resolution: 12 bit
Accuracy: +/- 40 microA
Analog output 4 to 20 mA (2-wire technology)
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Transmitters
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Testo 6742 (0555 6742) Dew Point Transmitter 1/2 NPT
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Highest reliability
Calculation of the most important trace humidity variables
Adjustment report
Convenient operation
Analog output 4 to 20 mA, 2-wire technology
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Transmitters
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Testo 6743 (0555 6743) Dew Point Transmitter with display G1/2
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Highest reliability
Calculation of the most important trace humidity variables
Adjustment report
Convenient operation
Analog output 4 to 20 mA, 2-wire technology
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Transmitters
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Testo 6744 (0555 6744) Dew Point Transmitter with display 1/2 NPT
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Reliable measurement of trace humidity
User-friendly operation with display and control buttons
Calculation of the most important trace humidity variables, also ppm
Protocolled fine adjustment at -40 °C tpd
4 to 20 mA in two-wire technology
Plastic, polyacrylamide housing material
Ambient temperature: -20 to 70 degree C
Storage temperature: -40 to 80 degree C
Protection class: IP 65
Resolution: 12 bit
Accuracy: +/- 40 microA
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Transmitters
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