About the JMA 165 Precision Rail MEMS Accelerometers

The JMA series was designed to be a low cost alternative for auto train controls. The JMA-165 series is available with and without PTC heater option.
All the JMA-165-R & JMA-165-RH series are both CENELEC and AREMA certified.

Key features JMA 165

RoHS Compliant
CENELEC/AREMA Certified
IP65 Seal
Filtering Available

Applications JMA 165

Automated Train Controls
Acceleration/Deceleration Control
Rail Maintenance & Testing
Train Performance Testing

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Technical Specifications

Specification	Value
Bandwidth (nom) (-3db)	100 Hz
Measurement range	±0.5 g / ±1.0 g
Non-linearity	0.1% - 0.2%
Non-repeatability	1 -2 mg
Operating current	±8 mA (R-Series), 150 mA (RH-Series)
Operating temperature	-40°C to +70°C
Output [supply voltage]	±5 V [±12 to ±18 VCD]
Resolution and threshold	0.3 - 0.6 mg
Seal	IP65
Shock	10g (half sine, 0.011 sec)
Storage temperature	-55°C to +85°C
Weight	85 g

JMA 165 Precision Rail MEMS Accelerometers