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0 SDT-II - Submersible Depth Transmitter

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The Submersible Depth Transmitter II (SDT-II) is a low cost pressure sensor designed for water level measurement applications in rigorous environmental conditions. Low range units are favorable for open-channel flow applications, while higher range units may be used for ground water, storage tanks, or other applications. Internal electronics convert the signal to a 4-20mA output, with 4mA corresponding to zero depth (atmospheric pressure) and 20mA to rated depth for the selected range.

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	SDT-II - Submersible Depth Transmitter Datasheet
	Submersible Depth Transmitter Instruction Manual

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The SDT-II also features schedule-80 threading along the outside of the sensor, making it easily mountable for various applications.

Features

Low Cost
0.25% Typical Accuracy
Rugged and Durable PVC Housing for Harsh Environmental Conditions
Threaded Design for Easy Mounting
Compact for Easy Deployment in Small Diameter Wells

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Application/Industries Served

Surface Water
Ground Water
Wastewater
Treatment Plants
Storage Tanks

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Specification

Power
12.5 - 35 VDC
Output
4-20mA current signal, linearly corresponding to range
Operating Temperature
33ºF to 122ºF (1ºC to 50ºC)
Media
Any media compatible with 316 stainless steel, PVC, nylon, and polyurethane
Accuracy
Linearity: 1.0% max, typically 0.25% of full scale
Zero: 4.0 ±0.2mA at 72º F (22ºC)
Span: 20.0 ±0.5mA at 72º F (22ºC)
Typical thermal zero drift: 0.1% of span per degree Celsius