Transmitters

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  Name SKU Description Category
Testo 6321 (0555 6321) ABS Compact Differential Pressure Transmitter Measurement of differential pressure in the measuring range of 0 to 100 Pa Accuracy +/-1.2 percent of Measuring range: + intrinsic error of 0.3 Pa - valid for zeroing cycle of 60 sec/nominal temperature 22 ° C Freely scalable: +/-50 percent of measuring range final value and free scalability within the measuring range Piezoresistive sensor Automatic zero-point adjustment: via magnetic valve Protection class: IP65 only when the transmitter is wired and/or sealing plugs are in use Output... Transmitters
Testo 6351 (0555 6351) Plastic Differential Pressure Transmitter Measurement of differential pressure, flow velocity and volume flow Automatic zero-point adjustment guarantees high, temperature-independent accuracy and long-term stability Display with multi-language operating menu and optical alarm display Ethernet, relay and analog outputs allow optimum integration into individual automation systems Self-monitoring of the transmitter and early warning function guarantee high system availability 4 relay outputs, limit value monitoring Cable entry NPT... Transmitters
Testo 6381 (0555 6381) Metal Differential Pressure Transmitter Automatic zero-point adjustment guarantees high, temperature-independent accuracy and long-term stability Low measurement range up to 10 Pa ensures highest precision at lowest pressures Flat housing allows flush surface integration in the cleanroom wall Display with multi-language operating menu and optical alarm display Differential pressure: scalable +/-50 percent of measuring range final value; freely scalable within measuring range Measuring cycle: 1/sec Resolution: 12 bit Maximum... Transmitters
Testo 6383 (0555 6383) Metal Wall-mount Differential Pressure Transmitter Measurement of differential pressure; optional: humidity and temperature Automatic zero-point adjustment guarantees high, temperature-independent accuracy and long-term stability Low measurement range up to 10 Pa ensures highest precision at lowest pressures Flat housing allows flush surface integration in the cleanroom wall Display with multi-language operating menu and optical alarm display Preparation for external humidity/ temperature probe Testo 6610 Piezoresistive sensor 0.1 Pa... Transmitters
Testo 6441 (0555 6441) DN15 Compressed Air Flow Transmitter Leakage detection, compressed air consumption meaurement Consumption cost allocation Peakload management Measuring range: 0.25 to 75 Nm³/h Pipe diameter: DN 15 (for 1/2" pipes) Weight: 0.9 kg Max. display value norm volume flow: 90 Nm³/h Min./max. monitoring Control of consumption-dependent maintenance strategies Automatic, exact compressed air dosage Transmitters
Testo 6442 (0555 6442) DN25 Compressed Air Flow Transmitter Leakage detection, compressed air consumption meaurement Consumption cost allocation Peakload management Measuring range: 0.75 to 225 Nm³/h Pipe diameter: DN 25 (for 1" pipes) Weight: 1.1 kg Max. display value norm volume flow: 270 Nm³/h Min./max. monitoring Control of consumption-dependent maintenance strategies Automatic, exact compressed air dosage Transmitters
Testo 6443 (0555 6443) DN40 Compressed Air Flow Transmitter Leakage detection, compressed air consumption meaurement Consumption cost allocation Peakload management Measuring range: 1.3 to 410 Nm³/h Pipe diameter: DN 40 (for 1 1/2" pipes) Weight: 3.0 kg Max. display value norm volume flow: 492 Nm³/h Min./max. monitoring Control of consumption-dependent maintenance strategies Automatic, exact compressed air dosage Transmitters
Testo 6444 (0555 6444) DN50 Compressed Air Flow Transmitter Leakage detection, compressed air consumption meaurement Consumption cost allocation Peakload management Measuring range: 2.3 to 700 Nm³/h Pipe diameter: DN 50 (for 2" pipes) Weight: 3.8 kg Max. display value norm volume flow: 840 Nm³/h Min./max. monitoring Control of consumption-dependent maintenance strategies Automatic, exact compressed air dosage Transmitters
Testo 6651 (0555 6651) Humidity Transmitter for Critical Climate 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 Transmitters
Testo 6681 (0555 6681) Industrial Humidity Transmitter 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 Transmitters
Testo 6721 (0555 6721) Plastic Pressure Dewpoint Guard 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 Transmitters
Testo 6741 (0555 6741) Plastic Polymer Dewpoint Transmitter G1/2 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) Transmitters
Testo 6742 (0555 6742) Dew Point Transmitter 1/2 NPT Highest reliability Calculation of the most important trace humidity variables Adjustment report Convenient operation Analog output 4 to 20 mA, 2-wire technology Transmitters
Testo 6743 (0555 6743) Dew Point Transmitter with display G1/2 Highest reliability Calculation of the most important trace humidity variables Adjustment report Convenient operation Analog output 4 to 20 mA, 2-wire technology Transmitters
Testo 6744 (0555 6744) Dew Point Transmitter with display 1/2 NPT 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 Transmitters