XR12 SMARTSafe modular incremental quadrature encoder sensors enable the world's first hazardous duty rotary encoders with removable electronics. They are cULus, ATEX and IECEx certified and offer incredibly reliable no-bearing construction! SMARTSafe sensors can be used in ATEX/IECEx gas and dust and UL gas hazardous environments. Also available: hollow shaft models (XR685), shafted models (XR485), no-bearing modular encoders (XR125, XR850), and modular sensors for smaller bore applications (XR5).
For applications requiring ATEX/IECEx Zone 2 or 22 or cULus Class I, Division 2, Groups A,B,C,D use the XR12 directly in your application, with no barrier, isolator or cable gland required.
For applications requiring UL Division 1, ATEX/IECEx Zone 1 or 21 protection use the XRB3 isolator in your control cabinet which permits the use of intrinsically safe wiring instead of explosion-proof conduit or glands. The XR12 can also be used in UL Class I Div 1 & Zone 0 applications using the XRB3 Isolator.
Unlike the competition, Avtron SMARTSafe encoder systems are protected against short circuits, power-to-output wiring, and output-to-ground faults.
Instead of mounting a tiny optical encoder with weak bearings on a wobbling stub shaft, mount XR12 directly on your machine and install the rotor on your main application or motor shaft. Vibration, shock, liquids, dust and dirt won't harm SMARTSafe XR12 encoders! Paint booths, draw works, coil tubing rigs...XR12 can keep them all working 24/7/365.
Eliminate the biggest cause of industrial encoder failure--eliminate the bearings with XR12 hazardous duty encoder sensors!
Operating Power: (add cable drive current as req'd)
Division 1, Zone 1 (XRB3): 12-24VDC in/out, 150 mA
Division 2, Zone 2: 5-24VDC in/out, 150 mA
Output Format: A Quad B with marker (A,/A, B,/B, Z,/Z)
Frequency Range: 0 to 165 kHz
PPR: 8-8192
Speed: 6000 RPM Max. (contact factory for higher speeds)
Maximum Cable Length:
Division 1, Zone 1: Encoder 500' Isolator 1000'
Division 2, Zone 2 (5 to 12 VDC in): 500'
Division 2, Zone 2 (15 to 24 VDC in): 250'
Rotor Positioning: +/-0.100" [+/-2.54mm] movement/misalignment
Sensor-Rotor Gap: 0.045", +0.015/-0.040" [1.14mm+0.38/-1.0]
Temperature: -40°C to 80°C (Storage -40°C to 100°C)
Environmental: Electronics-IP67 (see manual for details)
Vibration: 5-2000Hz, 18G; 100G Shock
Weight: 2.2 lbs. [1kg]
Certifications:
ATEX/IECEx Zone 1 & Zone 21 Group IIC
cULus Class I, Division 1 and Zone 0 Group A,B,C,D*
ATEX/IECEx Zone 2 & 22 Group IIC
cULus Class I, Division 2 Group A,B,C,D
*See installation drawings for Warnings and Limitations
- Sensor PPR can be factory reprogrammed
- Full protection against short circuits, reverse voltage, phase-to-phase shorts
- Shrugs off dirt, oil, and water contamination
- No glass disks to break or optics to fail
- Sensor for XR125 encoder
- Direct machine-mount capability
- Self-Diagnostic LED and Alarm Output
Industry | Mining | General | Wind Power | Pulp & Paper | Oil & Gas | Marine | Metals | Machinery | Crane & Hoist |
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Light Mill DutyHS4 Encoder Programming Tool Cables and Connectors Encoder Couplings Rush AV4 AV25 HS25A AV6A HS6A K661 AV6M AV4 HS35A AV20 |
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PQAN ATEX Cert.
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SMART Alarm and LED Functionality
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REACH & RoHS
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Nidec-Avtron Terms and Conditions
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Nidec Industrial Solutions ISO Certificate
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IECEx Quality Assessment Report (QAR 12.0002/10)
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IECEx Zone 1&21, Zone 2&22 Cert. XR Models
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ATEX Declaration of Conformity for XR
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Avtron Encoders Product Catalog
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Class 1 Div 1 Zone 0 Certification
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Class 1 Div 2 Groups ABCD Certification, UL Listed
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Class 1 Div 2 Groups ABCD Certification, UL Recognized
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