Lakewood Instruments [ 1269333 ] Model 1575e Cooling Tower Conductivity & pH Controller with [ 4 ] output relays. [ Conductivity Sensor & pH Sensor – Flow Switch w/ Left Exit – Panel Mounted ] // Reference: [ 1575-CP-LE-M ] (W)
- Removable power cord and receptacles for simple conduit installations.
- Scheduled feed, which can use three relays for biocides or other chemicals.
- Two (2) water meter inputs, two (2) drum switch inputs, conductivity input, a flow switch input, a 4-20 mA output, and a 4-20 mA input are all standard features.
- The 4-20 mA input can be used with a transmitter for one of the following: remote conductivity, makeup conductivity, pH, ORP, percent, pressure, milliamps, flow rates, or traced chemistry control. This transmitter can be added in the field.
- Designed with a single circuit board for better reliability and lower cost.
- Large open shallow enclosure for easy wiring.
- Ball valve delay feature allows accurate control of motorized ball valves.
- Heavy-duty stainless steel domed numeric keypad and illuminated graphical display allow for quick and easy programming. Steel domed switches improve the tactile sensing and life expectancy of the keypad.
- LED indicators for power, alarm and relay status.
Benefits:
- Easy to program with the Lakewood plain English, intuitive, and user friendly menu interface.
- Controller can be used in boiler, cooling tower, or condensate applications when used with the appropriate conductivity sensor.
- Single circuit board design improves reliability.
- No add-on options. 4-20 mA output and feed schedule clock features are standard.
- Conductivity range: 50-10,000 μS
- Conductivity sensor: 2 electrode
- Conductivity Resolution: ± 10 μS (conductivity <5000 μS) / ±100 μS(conductivity > 5000 μS)
- Temperature comp.: 500NTC, NONE
- Accuracy & repeatability: ± 1.0%
- Deadband/Setpoint: Programmable
- Auto/Manual outputs: Menu selectable
- Keypad: 16 tactile push-buttons
- Display: illuminated 128×64 pixel LCD
- Drum Switch Inputs: 2 digital contact inputs
- Water meter inputs (2): Contact head, paddle wheel, or turbine
- Timers: Max. blowdown time exceeded and relay run time exceeded
- Output Signal: One 4 – 20 mA, isolated or non-isolated optionally powered output for conductivity
- Input Signal: One 4-20 mA, non- isolated internally powered input for conductivity
- Output relays: 4, 3 selectable use, 1 blowdown
- Relay ratings: 3A each, 10A total
- Power: 120/240 VAC 50/60 Hz
- Ambient: 32° – 120°F (0 – 49°C)
- Enclosure: NEMA 4X, ETL
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