Hanna Instruments Groline HI981413, Инструкция по эксплуатации

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PUMP CONTROL
Hi control mode on the HI981413
Set
point
Pump status
Hysteresis
Measured
value
RUNNING
NOT RUNNING
Pump running continuously
at the configured flow rate
Set
point
Pump status
Hysteresis
Measured
value
RUNNING
NOT RUNNING
Pump running continuously
at the configured flow rate
Lo control mode on the HI981413
On/Off Control
Proportional control
With Proportional control enabled in SETUP, the dosing time depends on the difference between
measured EC value and assigned set point.
Set
point
Regulator
output
100%
time
proportional mode
with 0.25L/h
Band
speed proportional
0.25L/h
flow rate
SETUP
0.5÷3.5L/h
Measured
value
Flow rate
Set value
0.25L/h
90%
50% 15%
Proportional Control
with Hi Control Mode and Band as illustrated
Set
point
Regulator
output
100%
Band
time
proportional mode
with 0.25L/h
Flow rate
Set value
Measured
value
speed proportional
0.25L/h
flow rate
SETUP
3.5÷0.5L/h
0.25L/h
90%
50% 15%
Proportional Control
with Lo Control Mode and Band as illustrated
8.2. PRIMING THE PUMP
• From measurement mode, long press the arrow keys together to manually activate the pump.
• To exit, release the two keys.
• When there are no errors or active alarm, the LCD backlight is yellow.