Greyline Instruments by Pulsar

DLT 2.0 Differential Level Transmitter

Measures level, differential level and open channel flow with two non-contacting ultrasonic sensors

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DLT 2 0 Differential Level Transmitter 00153
The Greyline DLT 2.0 Differential Level Transmitter is a simple solution for differential level measurement including applications found in wastewater treatment plants, pump stations, and combined sewer systems. The Differential Level Transmitter includes two differential level sensors. Position each sensor at your desired location, above a channel, up and downstream from a bar screen for example, and the DLT 2.0 can display and transmit differential level measurement. The downstream sensor could even be positioned above a flume or weir to measure and totalize open channel flow. 
 
To make the most out of your DLT 2.0, install one sensor on each side of a mechanical bar screen to continuously monitor level. Using the built-in relays or 4-20mA outputs to automatically activate the bar screen rake at preset levels. Three 4-20mA outputs are configured to transmit upstream level, downstream level (or flow), and differential level. The built-in relays of the Differential Level Transmitter can be calibrated for level control, differential level control, or open channel flow. 
 
Other applications for the DLT 2.0 include two-tank inventory, where you can monitor levels within two tanks with just one instrument, aiding stock control and process efficiency. The Differential Level Transmitter will alternate a display of level in both tanks, plus it will transmit 4-20mA outputs. 
 

• Measures Level, Differential Level and Open Channel Flow
• Two Non-Contacting Ultrasonic Sensors
• Large White Backlit LCD Display
• Three Isolated 4-20mA Outputs
• Built-in 5-Key Calibration
• 2 Programmable Control Relays
• Optional 2 Million Point Data Logger
• Optional Intrinsically Safe Sensors
 

General Specifications
Spec name:Description:
Electronics EnclosureNEMA4X (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%
DisplayWhite, backlit matrix - displays upstream, downstream, and differential level, open channel flow and totalizer, relay states, operating mode, and calibration menu
ProgrammingBuilt-in 5-key calibrator with English, French, or Spanish language selection
Power Input100-240 V AC 50/60 Hz (see Options), 3 W maximum with standard features
Outputs3 x Isolated 4-20mA, upstream and downstream level (or open channel flow), and differential level, 1000 ohm maximum
Control Relays2 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 weight6.8 kg (15 lbs)
PZ15 Sensor Specifications (Includes 2 PZ15 Sensors)
Spec name:Description:
Maximum Range4.57 m (15 ft) with standard PZ15 sensor
Deadband (Blanking)Programmable, Minimum 203.2 mm (8 in)
Beam angle8°
Operating Frequency92 KHz
Exposed MaterialsPVC
Operating Temperature-40 °C to 65 °C (-40 °F to 150 °F)
Temperature CompensationTemperature probe inside the level sensor for high accuracy in changing temperatures
Sensor CableRG62AU coaxial, 7.6 m (25 ft) standard length (see Options)

  • Thumbnail of document Greyline dlt 2 0 datasheet 12329
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    Greyline dlt 2 0 datasheet 12329

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  • Thumbnail of document Dlt 2 0 user s guide series a 1 6 13546
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    Dlt 2 0 user s guide series a 1 6 13546

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