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.
FEATURES
- Removable power cord and receptacles for simple conduit installations.
- Scheduled feed, which can use three relays for biocides or other chemicals.
- 2 water meter inputs, 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.
- Type: Model 1520e
- Includes: pH sensor
- Output Relays: 4 selectable use relays
- Flow Switch: Left exit flow switch plumbing assembly
- Water Meter: 2 water meter (contact head, paddle wheel or turbine) inputs
- Analog Input: pH or ORP or 4-20 mA input
- Output Signal: 1 isolated or non-isolated optionally powered 4-20 mA output
- Drum Switch: 2 digital contact drum switch inputs
- Minimum Flow: 1 GPM (3.785 LPM)
- Maximum Pressure: 140 psi (9.65 bar) @ 100 °F
- Process Temperature: Max 140°F (60°C)
- Ambient Temperature: 32° – 120° F (0° – 49° C)
- Sensor Type: Solution ground, signal differential, or single-ended
- pH Range: 2-12 pH
- pH Resolution: ± 0.10 pH
- ORP Range: -1000 to +1000 mV
- ORP Resolution: ± 1 mV
- Accuracy & Repeatability: ± 1.0%
- Deadband/Setpoint: Adjustable
- Enclosure: NEMA 4X, ETL
- Timer: Relay run time exceeded
- Power: 120/240 VAC 50/60 Hz
- Relay Ratings: 3A each, 10A total
- Usage: Water treatment pH control
- Weight: 7 lbs