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Model 1520/30e pH or ORP Controllers - 4 Outputs

Product info
Description
Lakewood Instruments Model 1520e pH Controllers and Model 1530e ORP Controllers include (4) output relays, (2) water meter inputs, (2) drum switch inputs, (1) pH or ORP input, (1) flow switch input, and (1) 4-20mA output. Control cooling tower water via (3) chemical feed pumps and (1) blowdown valve
Configuration Model Codes
Base Model
Model
1525 | Model 1520/30e - pH / ORP - 4 Outputs
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Model 1520/30e - pH or ORP Water Treatment Controller

The Model 1520/30e uses the latest in microprocessor capability, giving the user a high level of application flexibility in pH or ORP control. The user in the field can configure this controller to operate as a pH or an ORP controller. A large illuminated graphics screen, multiple inputs, and very easy setup characterize this new technology. Water meters, sensors and plumbing assemblies are purchased separately.

Lakewood pH/ORP Installation - Model 1520e/1530e

Features & Benefits

Features:

  • 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, pH or ORP input, flow switch input, and 4-20 mA output are all standard features.
  • A 4-20 mA Input for remote pH or ORP applications can be used in place of the standard pH or ORP input.
  • Designed with a single circuit board for better reliability and lower cost.
  • Large open shallow enclosure for easy wiring.
  • 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 removed from a cooling tower and be placed in another type of application when used with the appropriate pH or ORP sensor.
  • Single circuit board design improves reliability.
  • No add-on options. 4-20 mA output and biocide features are standard.
Additional Notes

Specifications:

  • pH range: 2-12 pH
  • ORP range: -1000 to +1000 mV
  • Sensor Types: Solution ground, Signal differential, or Single-Ended
  • Resolution: ± .10 pH or 1 mV
  • Accuracy & repeatability: ± 1.0%
  • Deadband/Setpoint: Adjustable
  • Auto/Manual outputs: Menu selectable
  • Keypad: 16 tactile push-buttons
  • Display: Illuminated 128x64 pixel LCD
  • Timer: Relay run time exceeded
  • Output Signal: One 4 – 20 mA, non-isolated / isolated powered output
  • Output relays: 4 selectable use
  • Relay ratings: 3A each, 10A total
  • Power: 120/240 VAC 50/60 Hz
  • Ambient: 32° - 120°F (0 - 49°C)
  • Power: 120/240 VAC 50/60 Hz
  • Ambient 32° - 120°F (0 - 49°C)
  • Enclosure: NEMA 4X, ETL
  • Drum Switch Inputs: 2 digital contact inputs
  • Water meter inputs (2) Contact head, paddle wheel or turbine

Wiring:

Lakewood Cooling Tower Wiring - Model 140

Plumbing:

Sensors/Plumbing Cooling Tower
Max Pressure 140 psi (9.65 bar)@ 100 °F
Max Temp 140°F (60°C)
Min flow 1 gpm (3.785 Lpm)
Dimensional drawings
Alternate configurations
SKU Description List price -
LWI-1240475 1240475 | 1520e/1530e Controller - Process - pH or ORP - Controller Only $1,455.00
LWI-1240476 1240476 | 1520e Controller - Process - pH Sensor - Flow Switch w/ Left Exit $2,249.00
LWI-1240518 1240518 | 1520e Controller - Process - pH Sensor - Flow Switch w/ Left Exit - Mounted $2,447.00
LWI-1240519 1240519 | 1530e Controller - Process - ORP Sensor - Flow Switch w/ Left Exit - Mounted $2,447.00
LWI-1263418 1263418 | 1530e Controller - Process - ORP Sensor - Flow Switch w/ Left Exit $2,249.00
LWI-1269454 1269454 | 1520e Controller - Process - pH Sensor - Flow Switch w/ Right Exit $2,249.00
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