Timeout; Settings For Flow Monitoring; Limit Value Monitoring Out1 Or Out2 / Hysteresis Function; Limit Value Monitoring Out1 Or Out2 / Window Function - TESTO 6457 Instruction Manual

Unlocking:
Make sure that the instrument is in normal operating mode.
▪
▪ Press [▲] and [▼] simultaneously for 10 seconds until [ Reset menu
lock] is displayed
9.1.4

Timeout

If no key is pressed for 30 seconds while setting a parameter, the
instrument returns to the operating mode with the value unchanged.
9.2

Settings for flow monitoring

9.2.1 Limit value monitoring OUT1 or OUT2 /
hysteresis function
▪ Select [SELx] and set FLOW
Select [oux] and adjust the switching signal:
▪
- Hno = hysteresis function / normally open
- Hnc = hysteresis function / normally closed
▪ Select [SPx] and set the value at which the output
switches.
▪ Select [rPx] and set the value at which the output resets.
9.2.2 Limit value monitoring OUT1 or OUT2 /
window function
▪ Select [SELx] and set FLOW
▪ Select [oux] and adjust the switching signal:
- Fno = window function / normally open
- Fnc = window function / normally closed
▪ Select [FHx] and set the value at which the output
switches.
▪ Select [FLx] and set the value at which the output resets.
48
Menu OUTx:
[SELx]
[oux]
[SPx]
[rPx]
Menu OUTx:
[SELx]
[oux]
[FHx]
[FLx]