TESTO 177 User Manual

21
7. Programming
Humidity calibration ( testo 177-H1 only):
Select between Factory defaults or Custom .
If Custom is selected, the Custom ... button is activated.
Click on Custom ... .
- The Humidity calibration window opens.
Carry out humidity calibration using the control and adjustment
set (Part no. 0554.0660). Follow the instructions in the
Instruction Manual for the Control and Adjustment Set.
Display functions:
Select whether the LEDs, the Alert led , Status led and Display
on are to be activated in the data logger.
Only the data display is deactivated when the display is
switched off. Status information on mode and battery capacity
are always shown.
Enable limit signal output
From ComSoft Version 3.4 on, the external alarm signal output
testo 581 can be activated if connected to a data logger.

TESTO 177 Specifications

General

Temperature resolution	0.1 °C
Humidity accuracy	±2 %RH (+2 to +98 %RH) ±3 %RH (remaining range)
Humidity resolution	0.1 %RH
Battery life	Typically 3 years at +25 °C and 15-minute measurement cycle
Measurement Parameters	Temperature, humidity
Display	LCD
Probe Type	Integrated