testo 6621 humidity-/temperature transmitter, accuracy &plusmn;2.0 %RH, wall or duct version, selectable signal outputs, optional display, external interface for adjustment and setup, 2 analog outputs 
 
**NOTE: Please contact Testo to ensure proper configuration when ordering the testo 6621 Transmitter**

testo 6651 humidity/temperature transmitter for critical climate, accuracy up to &plusmn;1.7 %RH (depends on the probe), selectable signal outputs, optional display, optional ethernet module, optional relay, 2 analog outputs 
 
**NOTE: Please contact Testo to ensure proper configuration when ordering the testo 6651 Transmitter**

testo 6681 industrial humidity/temperature transmitter, accuracy up to &plusmn;1.0 %RH (depends on the probe), selectable signal outputs, optional display, optional ethernet or profibus module, output of all relevant humidity parameters, optional relay, optional 3rd analog output 
 
**NOTE: Please contact Testo to ensure proper configuration when ordering the testo 6681 Transmitter**

Wall/duct holder for wall/duct mounting of testo 6600/6610 or to fix the temperature probe of testo 6614

Wall bracket / duct bracket

Wall/duct holder for wall/duct mounting of testo 6600/6610 o...

Industrial Manufacturing

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