MEASUREMENT ACCURACY AND RELIABILITY (PROBE FUNCTIONS)

AirChip 3000 Functions

Description

Humidity / temperature adjustment

•1-point or multi-point humidity calibration or adjustment

•1-point or 2-point temperature calibration or adjustment

•Generate a time stamp for calibrations and adjustments

•Retain and view last adjustment date and adjustment values

•Generate calibration and adjustment protocols

MEASUREMENT LOOP VALIDATION

Functions

Description

Simulator mode

Used to make the HF5 generate fixed values for the humidity, temperature and calculated parameter. Can be configured, enabled or disabled.

DEVICE SAFEGUARDS

Functions

Description

Device write protection

Used to protect the HF5 with a password to prevent unauthorized digital access by a digital user. Can be configured, enabled or disabled.

Internal menu access from keypad

Used to prevent accidental changes to the HF5 settings and temperature-humidity adjustment by disabling the MENU key on the optional keypad. Can be enabled or disabled.

PROCESS PROTECTION AND PROTECTION OF OTHER DEVICES

AirChip 3000 Functions

Description

Limit humidity output to 100 %RH

This probe function is used to prevent the humidity signal from exceeding 100 %RH when condensation forms on the sensor. Can be enabled or disabled.

Out-of-limit value alarm

Used to specify the normal range for humidity, temperature and the calculated parameter depending on the user application. Can be configured, enabled or disabled.

Out-of-limit values trigger a digital alarm which can be also be seen on the optional display.