Operation And Display Elements - TESTO 6440 Instruction Manual

1
LED number
1
4 x LED green
2
3 x LED yellow
4-digit
3
alpha-numeric
display
Programming
4
button
Set
Prog. button
5
Mode / Enter

Operation and display elements

1 2 3 4 5
5
LED lit = display unit set:
- LED 1 (Nl/min, with 6444: Nm3/h) / LED 2 (Nm
Flow rate display (norm volume flow).
- LED 3 (Nm
(current consumption quantity/totalisator)
LED 3 flashing: stored counter value
(= counter value before last reset).
- LED 4 (°C): Current media temperature in °C.
Display function
3
- 10 : The value displayed must be multiplied by
factor 1000 (LED 5)
- SP1 / SP2: Display of switch status; display lights up
when the respective output is switched through (LED
6/7).
- Display of current norm volume flow,
- Display of counter status,
- Display of current media temperature,
- Display of parameters and parameter values.
- Set parameter values (continuous by holding
down, step-by-step by single pressing);
- Change display unit in measuring mode
Selection of parameters and confirmation of para-
meter values
6 7
3
): Quantity counter
2
3
4
3
/h):
39