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Products for the 
Water / Wastewater Industry
Manufactured by
Wilkerson Instrument Co., Inc.
in Lakeland, Florida
 
DR6305 Three Ø Phase Monitor
bullet±0-20 mADC Output Representing AC Voltage
bullet300 / 600 VAC Selectable Input
bulletIndicates Phase Loss
bulletIndicates Phase Reversal
bullet3 way, 1500 VAC Isolation
bulletLow Power Requirement 
(10-28 VDC @ 1 watt)
bulletDIN Rail Case, Plug-in Terminals
bulletUL Recognized
Measure and monitor the voltage of 2 phases of a 3 phase power line using a single bipolar PLC input. Alarm if voltage drops below a preset level. Indicates proper phase rotation. Front mounted LEDs indicate which current is being output, phase loss and phase reversal.
 
DR1920 Duplex Lift Station Back-Up Pump Controller
bulletMonitors High Level Alarm Switch
bulletRuns one or two pumps for a fixed time interval set by user
bulletAuxiliary Alarm Input For Control With PLC
bulletReset Input For Control With PLC
bullet10 Amp relay contact with each pump
bulletCompact DIN Rail case
bulletUL Recognized
The DR1920 is typically used as a back-up for primary level controls. It prevents sewage overflows in lift stations by monitoring a back-up level alarm and starting up to two pumps when the high alarm switch contacts close. An alarm starts Pump 1 and Timer 1. If the alarm switch does not open before Timer 1 times out, Pump 2 is started. If the alarm switch opens during Timer 1 , Pump 2 is not started. When the alarm switch opens, Timer 2 is started and the pump(s) run until Timer 2 times out and stops the pump(s) and resets the timers.
 
LM1000 Level Monitor System
The LM1000 is the ideal level monitor, control, indicator and sensor calibrator for lift stations, pump stations, wet wells and tanks. Using the LS1000 pressure transmitter, the LM1000 is an excellent replacement for maintenance demanding bubbler systems. The LM1000 features an LED digital display that indicates level in the LEVEL mode and loop current in the CURRENT mode. A significant feature is the ability to create a 4-20 mADC signal by means of a front panel potentiometer. The ability to accurately create and display 4-20 mA allows the user to accurately calibrate the display in Feet and the Alarm setpoint and deadband. The alarm relay output with an adjustable setpoint and deadband allows the unit to be used as a level alarm or level control. A retransmitted 4-20 mADC output from the Level Monitor is provided for input to a PLC or SCADA system. The LM1000 includes a 24 VDC power supply to power the pressure transmitter. The LM1000 is available in a panel mount version or pre-mounted in a NEMA 4X enclosure with window. 

LS1000 Pressure Based Level Sensor
The LS1000 pressure transmitter features a rugged mechanical design to protect the 3" sensing diaphragm from mechanical damage. The electronics are housed in a hermetically sealed package. The transmitter features a surge protected standard process 4-20 mADC output signal. The sensor is available in several pressure ratings and comes complete with a standard 40 ft vented, coated, flexible SS armored waterproof cable. Longer lengths are available.


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