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Material-Surface-Metall & Sheet Testers

MR12SPX

Detecting the quality of carbon strips

General Information
Technical Data
General Information

The MR12SPX and its measuring probe are used for inspection and quality control of carbon strips of current collectors used by electrical powered trains, electric trams, trolley buses and similar vehicles. Here the current collectors are preferably roof mounted. Due to the often pairwise mounting of the carbon strips, there is little space between the lowered collectors. Therefore the measuring probe itself is very small. The design can be modified for your needs.

The measured variable is the electrical resistance in μΩ or mΩ between the aluminum fixing rail (bottom) and the conducting carbon layer (top). The measured resistance changes due to wearing of the carbon strip or not correct (conductive) bonding of carbon layer and fixing rail. Overload, incorrect bonding or other overstraining can cause separation or failure of the adhesive bonding.

Through the measuring principle and the special contacting the MR12SPX can achieve accurate and reproducible results, even if the aluminum fixing rail is very dirty due to
heavy wearing and flying sparks.

The equipment is battery powered and has a shoulder strap for easy carrying. The measurement values are internally stored and can later on be transfered to a PC.

Technical Data
Automatic Ranges:1 mΩ, 10 mΩ
Resolution:1 μΩ @ 1mΩ
10μΩ @t 10mΩ
Max error:±0.1 % of range, ±1 digit
Maximal resistance:18 mΩ ( 80 % over range @ 10mΩ )
Measuring current:1 ADC
Resistance control:with external reference resistor
Interfaces:RS232C for accessing the internal stored test results
(2000 values)
Power supply external:100 240 VAC
Power supply internal:Battery with 2950mAh
Weight MR12SPX:3.3 kg
Dimensions MR12SPX:260 x 100 x 310 mm (WxHxD)
Weight Probe:0.8 kg
Dimensions Probe:76 x 130 x 102 mm (WxHxD)
Download Data-Sheet

DIN EN ISO 9001:2008

Questions?
Don’t hesitate to get in touch! We’ll be glad to provide you with technical assistance as well as provide you with any needed information regarding features, prices, shipment & reselling.

phone: +49 (0)3328 / 3179 – 0
fax: +49 (0)3328 / 3179 – 10
email: sales@schuetz-messtechnik.com

MR200CSP-E
MR-1




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Germany
+49 (0) 3328 3179 0
+49 (0) 3328 3179 10
sales@schuetz-messtechnik.com
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