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AMASS Product Manuals

SDI-12 Sensors

PSE-SDI: Water level Sensor with SDI-12 Communications Interface

The PSE-SDI (Pliant Shaft Encoder with SDI-12 Communications Interface) is an intelligent and reliable microprocessor based incremental shaft encoder, which is used typically with a 375mm diameter pulley, a 3meter SS tape, a counterweight and a float arrangement to measure stream/river/ocean or other fluid levels.

PSE-SDI: Water level Sensor with SDI-12 Communications Interface

The PSE-SDI (Pliant Shaft Encoder with SDI-12 Communications Interface) is an intelligent and reliable microprocessor based incremental shaft encoder, which is used typically with a 375mm diameter pulley, a 3meter SS tape, a counterweight and a float arrangement to measure stream/river/ocean or other fluid levels.

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PARSE: Groundwater Level Sensor
The PARSE (Pliant Automatic Reeler with Shaft Encoder) is an innovative approach to water level monitoring that is ideal for groundwater wells but also suitable for stilling wells. It is more robust, accurate and reliable than pressure transducer installations. It combines the calibration system of current groundwater installations with the high resolution and reliability of a shaft encoder. Current installations of equipment at groundwater and stilling wells require a device with a water-sensing plumb-bob mounted to a graduated tape in order to set the initial water level. Regular visits to the stations are also required in order to ensure that the equipment is accurate as verified with the "plumb-bob" device.
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MODBus Products

Shaft Encoder with MODBus RTU interface: PSE/RTU
The PSE/RTU Incremental Shaft Encoder is an intelligent and reliable microprocessor-based incremental shaft encoder, which may be used with a pulley, tape, and float arrangement to measure stream stage or other fluid levels. The PSE/RTU accumulates position data up to 2500 times per second to ensure accurate tracking of the shaft.
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Application Notes

APP Note for connection of 4-20mA sensor
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APP Note for connection of tipping bucket ("switch" sensors)
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RS232 to SDI-12 Interface

PCOM-SDI
The AMASSER PCOM-SDI provides an interface between RS232 and SDI-12 devices. In its standard configuration it serves as an interface between a RS232 host such as a computer or programmable controller, and a SDI-12 slave such as a sensor. Alternatively, it can also be configured so that the SDI-12 device is the master. Buy now
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AGRI-Bus Products

ECDIO
The 2500 Vrms isolated ECDIO Digital I/O Module is a compact DIN Rail mountable, full function digital input/output (I/O) subsystem that is compatible with the AMASS RS485 Multi-drop Embedded Control Network (ECN). This module provides firmware based intelligent digital I/O functions for its 24 I/O lines.
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Application Notes