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gle/SmartRTD-200R

Compact & Rugged USB 2.0 acquisition unit for RTD sensors


Main Features

· 16 channels RTD input

· 24 bit AD resolution

· up to 100 S/ch/s

· USB 2.0 I/O i/f & RS 232 / 422 data output

· wide temperature range

· extended DC voltage supply range

· MS-Win SW GUI for setup, data display and storage

Applications

Instrumentation and testing in harsh environments:

· fluid-dynamics, wind tunnels / ship model basins

· armoured and heavy-duty vehicles

· railway vehicles

· construction machinery 

· manned and unmanned aerial platforms

Overview

gle/SmartRTD-200R is a standalone, compact and rugged, unit designed for conditioning and acquisition of RTD temperature measurement  sensors (Resistive Temperature Devices).

It is based on a “system on chip” FPGA + ARM controller that manages acquisition cycle, data correction, linearization, and EU conversion. Output data is available via USB 2.0 or RS 232 / 422 interfaces.

The software GUI allows the definition of acquisition setup and measurement tasks as: scanning speed, active channels, interface parameters, data averaging, numerical data display and storage, as Binary or CSV.

Thanks to its exceptionally robust construction, gle/SmartRTD-200R is particularly suitable in all applications where space is a premium, ruggedness and wide temperature range are necessary, especially where reliability and high accuracy are mandatory.

gle/SmartRTD-200I is the industrial version of gle/SmartRTD-200R, it is available in a cheaper but still very robust enclosure. It offers USB 2.0 i/f only, operating temperature range from -25 to +60 °C and, as option, power supply via USB.

Block Diagram



Main Characteristics

RTD inputs 

Up to 16 for PT100, 500 or 1000, 3 wires configuration (IEC-751 TCR=0.00385),  -200 ÷ +850°C measurement range; (contact factory for different RTD values and/or RTD standards)

Digital Interface

RS 232 / 422 up to 115.2 kbaud; USB 2.0 full speed for setup and quicklook

System Accuracy

linearity: 0.1 % F.S. / drift: 0.005 % / °C over the operating temperature range (*)

ADC /  Scan-Rate

24 bit / up to 100 S/Ch/s

Power supply 

18 ¸ 36 VDC, 1 W max ; (9 ¸ 18 VDC as option)

I/O Connectors

Power: 3 pin MS bayonet; RTD: D-Sub 50 pin; RS 232 / 422: D-Sub 9 pin; USB: mini-B

Enclosure

EMI/EMC shielded, milled aluminum box, Alodine® coated; 109x109x43 mm (LxPxH) excluding mounting flange; 550 grams approx.

Shock & Vibration

Certifiable per MIL-STD 810F

Temperature

Operating  -40 ¸ +85°C

Humidity

0 ¸ 95% RH non-condensing

(*) As an option, temperature drift can be further minimized through a factory thermal-characterization of the electronic circuit.

Due to continuous developments, specifications are subject to change without prior notice. This product is not intended for applications whose its failure to perform can be expected to cause damages to properties and/or persons and/or injury to human life.