Testo 6651 Humidity Transmitter for Critical Climate Applications

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Testo 6651 Humidity Transmitter for Critical Climate Applications

Model: 6651 | Order No: 0555 6651

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Testo 6651 humidity/temperature transmitter for critical climate, accuracy up to ±1.7 %RH (depends on the probe), 4 to 20mA(2 wire, 24VDC) no relays or ethernet, no display, no ethernet module, no relay, 2 analog outputs.

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Version

Analog display / supply

Display and language

Cable Input

Ethernet

Humidity / temperature unit channel 1

Humidity / temperature unit channel 2

Relay

Ordering Number
Testo 6651 humidity/temperature transmitter for critical climate, accuracy up to ±1.7 %RH (depends on the probe), 4 to 20mA(2 wire, 24VDC) no relays or ethernet, no display, no ethernet module, no relay, 2 analog outputs.
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Testo 6651 Offers

This humidity/temperature transmitter for critical climate, with an accuracy up to ±1.7 %RH (depends on the probe), selectable signal outputs and 2 analog outputs.

Features

High-precision Testo humidity sensors with long-term stability (±1.7 % RH) can be ordered for the transmitter
Analog outputs enable optimum integration into individual automation systems
High-quality digital probes (can be ordered) and an intelligent calibration concept
Self-monitoring and an early warning function ensure high system availability

Applications

Monitoring of comfortable climate conditions
Storing hygroscopic substances
Museums and archives
Storing electronic components
Drying processes/high-humidity processes
Food: processing cheese, ripening fruit, drying pasta, conditioning chambers for cold meats
Bio research
Mushroom cultivation

Testo 6651 Specifications

Humidity Units	Relative humidity %RH , °Ctd, °Ftd, g/m³
Meas. range	0 to 100 %RH
Temperature Units	Temperature in °C /°F
Meas. range	Dependent on probe (testo 660x)
Material	Plastic
Dimensions	122 x 162 x 77 mm (without probe)
Cable Entry	Cable bushing M16 X 1.5 (Relays: M20 X 1.5)
Channel 1	% RH min-max
Channel 2	Temperature °F min-max
Display Resolution	0.1 %RH / 0.01°C/°F / 0.1°Ctd/°Ftd / 1 g/m3

What's included with the Testo 6651

Testo 6651 temperature/humidity transmitter with selectable signal outputs
Display (optional)
Optional Ethernet module and optional relay (depending on the configuration)

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Customer Reviews for the Testo 6651

Description ➕➖

Testo 6651 Offers

This humidity/temperature transmitter for critical climate, with an accuracy up to ±1.7 %RH (depends on the probe), selectable signal outputs and 2 analog outputs.

Features

High-precision Testo humidity sensors with long-term stability (±1.7 % RH) can be ordered for the transmitter
Analog outputs enable optimum integration into individual automation systems
High-quality digital probes (can be ordered) and an intelligent calibration concept
Self-monitoring and an early warning function ensure high system availability

Applications

Monitoring of comfortable climate conditions
Storing hygroscopic substances
Museums and archives
Storing electronic components
Drying processes/high-humidity processes
Food: processing cheese, ripening fruit, drying pasta, conditioning chambers for cold meats
Bio research
Mushroom cultivation

Specifications ➕➖

Testo 6651 Specifications

Humidity Units	Relative humidity %RH , °Ctd, °Ftd, g/m³
Meas. range	0 to 100 %RH
Temperature Units	Temperature in °C /°F
Meas. range	Dependent on probe (testo 660x)
Material	Plastic
Dimensions	122 x 162 x 77 mm (without probe)
Cable Entry	Cable bushing M16 X 1.5 (Relays: M20 X 1.5)
Channel 1	% RH min-max
Channel 2	Temperature °F min-max
Display Resolution	0.1 %RH / 0.01°C/°F / 0.1°Ctd/°Ftd / 1 g/m3