NRH275DR Series
5Vdc Dual-Redundant Output, Non-Contact, External Position Magnet, Low-Profile Housing and Separate Permanent Magnet Assembly.
The NRH275DR is a dual-redundant output, non-contact, rotary position sensor with a slim, low-profile sensor housing with a separate permanent magnet assembly. The NRH275DR operates from a 5Vdc (±0.5) regulated supply to each independent sensor channel, and has two independent outputs, enabling full redundancy from a very low-profile 36 x 35mm package.
For new installations and applications, we recommend selecting the modern equivalent NRH271 or NRH272 no-contact rotary position sensor, which has the same mounting footprint and magnet options, but has the added advantage of operation from a 5V regulated and 9-30Vdc unregulated supply.
It also allows up to ±2mm radial magnet offset, with a permissible air gap of 2-7mm between the sensor and magnet. The transmissive properties between the magnet and sensor also allow operation through non-magnetic materials.
- No-contact technology with external position magnet
- Unlimited mechanical lifetime – wear free
- Will operate from -40 to +140°C
- Withstands water immersion to 1m for 24 hours (IP67)
- Simple mounting and low-profile (9.5mm) design
- Minimal weight
- 5Vdc regulated supply
- Analog (0.5 – 4.5 or 0.1 – 4.9Vdc) or Digital (PWM) outputs
- Measurement range from 0-20° to 0-360° in 1° increments
- 12-bit resolution (0.025%) over the angular range
- Extremely low signal noise level – less than 1mVrms
- Electrically interchangeable with potentiometers
- Available with 6x 18 AWG individual wires or terminated with Deutsch DTM04-6P or AMP Superseal connectors. NC10 protective conduit is also available
The NRH275DR is designed for applications in extreme environments where space is limited.
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Specifications
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Mechanical
Range 20-360º - Height, Length, Width H. 9.5mm x L. 40.5mm x W. 36mm - Mounting Use 4 x M3 CSK head screws Bolt (B) or plug (P) or magnet only (M) options are available for the customer to assemble to their equipment or integrate into their design Weight <100 G - Electrical
Input 5 ±0.5Vdc (regulated) to each independent sensor channel - Output 20 to 360º measurement range ratiometric per Model Codes 0.5 to 4.5Vdc, 0-5.0Vdc, PWM output optional Over-Voltage Up to 12Vdc - Reserve-Voltage √ - Output Short-Circuit Protected √ - Connections 18 AWG wires suitable for AMP or Deutsch connectors - Resolution % 0.025 of measurement range (12bit) - Environmental
Operating Temperature Range 40°C to +140°C - Storage Temperature Range 55°C to +140°C - Protection Class IP67 - Vibration BS EN 60068-2-64: 1995 Sec 8.4 (31.4gn rms) 20 to 2000Hz random - Shock 3m drop onto concrete and 2500g - Applications
Designed for applications in extreme environments where space is limite - Specialist Vehicle Applicaitons In extreme and hostile environments - It enables system designers to improve the safety and integrity of their control systems by using the dual independent power supply and dual output signals -
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