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Differential Level Transmitter - DLT 2.0

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Differential Level Transmitter - DLT 2.0 PULSAR Non-Contacting Measurement Level Measurement

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greyline-dlt-2-0-datasheet.pdf (405.09 KB)
Greyline Differential Level Transmitter - DLT2.0

Reduce costs and simplify instrumentation at treatment plant headworks. The DLT 2.0 can measure both differential level plus flow through a flume. Install one Sensor on each side of a mechanical barscreen to continuously monitor, transmit, and control level. Use the built-in control relays or 4-20mA outputs to automatically activate the barscreen rake at preset levels.

The DLT 2.0 is a simple solution for barscreen level control at wastewater treatment plants, pump stations, and combined sewer systems. It includes two non-contacting ultrasonic sensors to measure level. With sensors positioned above a channel, up and downstream from the barscreen, the DLT 2.0 can display and transmit differential level. The downstream sensor can also be installed above a flume or weir to measure and totalize open channel flow.

Three 4-20mA outputs are configured to transmit upstream level, downstream level (or flow), and differential level. Built-in relays can be calibrated for level control, differential level control, or open channel flow.

Other DLT 2.0 applications include a two-tank inventory where you can monitor the level in two tanks with one instrument. The DLT 2.0 will alternate display of level in both tanks plus transmit 4-20mA outputs. Use the built-in relays to activate alarms or level controls. This versatile dual-sensor instrument can also be configured as a submergence alarm for Parshall flumes.


General Specifications
Spec name: Description:
Electronics Enclosure NEMA4X (IP 66) polycarbonate with clear, shatterproof cover
Accuracy ±0.25% of range or 2 mm (0.08 in), whichever is greater. Repeatability and Linearity: ±0.1%
Display White, backlit matrix - displays upstream, downstream, and differential level, open channel flow and totalizer, relay states, operating mode, and calibration menu
Programming Built-in 5-key calibrator with English, French, or Spanish language selection
Power Input 100-240 V AC 50/60 Hz (see Options), 3 W maximum with standard features
Outputs 3 x Isolated 4-20mA, upstream and downstream level (or open channel flow), and differential level, 1000 ohm maximum
Control Relays 2 total, rated 5 A SPDT; programmable for level control, differential control, or flow proportional pulse
Operating Temperature (Electronics) -20 °C to 60 °C (-5 °F to 140 °F )
Approximate shipping weight 6.8 kg (15 lbs)

PZ15 Sensor Specifications (Includes 2 PZ15 Sensors)
Spec name: Description:
Maximum Range 4.57 m (15 ft) with standard PZ15 sensor
Deadband (Blanking) Programmable, Minimum 203.2 mm (8 in)
Beam angle
Operating Frequency 92 KHz
Exposed Materials PVC
Operating Temperature -40 °C to 65 °C (-40 °F to 150 °F)
Temperature Compensation Temperature probe inside the level sensor for high accuracy in changing temperatures
Sensor Cable RG62AU coaxial, 7.6 m (25 ft) standard length (see Options)

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