Introduction
ADS-201 is a battery powered ProfiSens end node for strain gage bridge sensors. The unit is available for the 433 MHz licence free band. It incorporates one Bridge Amplifier input, one digital input configurable as pulse counter input and multiple excitation options for powering transducers. A D-size Lithium Thionyl battery can provide autonomous operation for over 5 years.
Measurement
ADS-201 incorporates a high precision Bridge Amplifier (Instrumentation Amplifier) with low Input Offset Voltage and low Input Voltage Noise. Several gain options are available to meet specific custom applications.
Transducer excitation
The unit provides multiple excitation options with voltage calibration for measuring transducers.
Applications
- Structural Engineering
- Water/wastewater
- Oil & Gas
Ordering Codes
| Code | Description |
|---|---|
| ADS-201-4-1 | ProfiSens End node, 433 MHz Band, Internal μSplatch™ Antenna (Linx) |
| ADS-201-4-2 | ProfiSens End node, 433 MHz Band, External SMA Antenna connector |
Specifications
| Power supply | |
|---|---|
| Supply voltage | Internal: 3.6V, 13Ah Lithium Thionyl battery (Saft LSH-20 recommended) External: 5 VDC, regulated |
| Consumption | |
| Stand by | 18μA max.at 3.6V |
| Communication | 433 MHz Band: Receive: average 31mA, Transmit: average 59mA |
| Measurement | Up to 1A at 3.6V (according to sensor supply requirements) |
| Processing unit | |
| System controller | Ultra low power ARM 7 MCU |
| Configuration memory | 16 KByte EEPROM |
| Digital Input | |
| Digital input | 1, dry contact, 0-30VDC |
| Pulse counter | 1, 2KHz. |
| Bridge amplifier | |
| Input Impedance | Differential: 50 MΩ, Common Mode: 10 GΩ |
| Input Offset Voltage | 20 μV max. |
| Input Bias Current | 1nA max. |
| Nonlinearity | 0.003 % FS |
| Gain Drift | 25 ppm/°C max. |
| Gain | 100 (25, 50, 250, 500 optional) |
| Dynamic Response | DC to -3 dB = 1 kHz |
| Common-Mode Rejection | 100 dB min. @ gain 100 |
| A/D conversion | 16 bit resolution |
| Sensor excitation | |
| Output 1 | 10VDC/250mA |
| Output 2 | 5VDC/200mA |
| Communication | |
| 433 MHz Band | Input/output impedance 50Ω, Data rate (TX/RX) 4800 bps, Sensitivity -124 dBm, Max output power +10 dBm |
| Antenna connector | SMA Jack |
| Serial interface | USB, up to 115 kBit/s |
| Other | |
| Temperature | -40°…65°C, operating |
| Indications | LED, Operation status |
| Dimensions | 124 x 79.5 x 70 mm (with cable gland) |
| Protection | IP66 |
| Weight | 0.3 kg (without battery) |
| Document | File |
|---|---|
| AERINOS, ProfiSens IOT Brochure V:3.4 |  ADU-700 Aerinos Profisens Datasheet v3.4.pdf |
| Document | File |
|---|---|
| LSH-20, D-size, Lithium-thionyl battery | LSH20.pdf |
| WA Manager User Manual v10.x | WA Manager User Manual v10.x |
| Name | File |
|---|---|
| WA Manager configuration utility v10.67 |  WA Manager v10.67 |
Application Documents
| Name | File |
| Presentation Autonomous RTUs | Autonomous RTUs v2 |
| Presentation IoT for Water Telemetry | IoT for Water Telemetry v2.pdf |
| Presentation IoT for Precision Agriculture | IoT for Precision Agriculture v6.pdf |
| Presentation IoT for Structural Engineering & Rail Systems | IoT for Structural Eng & Rail Systems v1.pdf |
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