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1. Introduction
LDSPH PLUS is a microprocessor based digital regulator for pH with temperature reading / compensation and mA
module (feed forward). On/Off, impulsive proportional, proportional PWM or fixed PWM, Water Meter and PID are
main working modes. Also available FEED FORWARD setting for mA module. Pulses per minute can be set for outputs.
Working ranges are: 0 to 14 pH. All information are provided through a large LCD display. Using a revolutionary wheel
control the instrument can be easily programmed. LDSPH is housed in a IP65 plastic box.
INPUTS:
- Stand-by
- Flow
- pH level
- pH probe
- Temperature probe
- Water Meter
LDSPH-A PLUS Version stops probe’s reading when into STANDBY mode and activates the cleaning probe procedure
(if enabled and for set time into SELF CLEAN MENU) and restore time. At the end of the STANDBY a new cleaning
cycle and restore time re-start.
2. The wheel
Located in the upper right side of LDSPH there is a wheel that must be used to control the instrument. Wheel can
be rotated in both directions to scroll over the menus and / or pressed to confirm highlighted selection / value.
NOTE: Once changes are made press “OK” to save and exit from submenu. Press “ESC” to exit without saving.
Rotate wheel to scroll through menus or options
Press wheel to select highlighted option
SCROLL
SELECT
OUTPUTS:
- 2 relay outputs (pH and alarm)
- 2 opto coupled pulses outputs (pH and temperature)
- 2 current outputs (pH and Temperature)
- Main alarm
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