Testo 6651/6681 Humidity Transmitter

Description

Features
Range: 0 to 100%RH (6681 model only).
Accuracy: up to ±1%RH
Plastic housing (model 6651)
Metal housing (model 6681)
2-line LCD
Resolution: 0.1%RH
Operating Temperature: -40 to 70°C (-40 to 158°F)
Digital plug-in probe connection
Model 6651
Measurement Range (probe dependent): -20 to 120°C (-4 to 248°F)
Measurement Parameters: °C/°F, %rF/%RH, °Ctd / °Ftd
Model 6681
Measurement Range (probe dependent): -20 to 180°C (-4 to 356°F)
Measurement Parameters: °C/°F, %rF/%RH, °Ctd / °Ftd, °Ctpd / °Ftpd, more