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Miniature Length Sensor
ZMD Series Contact Rotary Encoder
PLACE ORDER - Compact Size
- Quadrature Output
- Built-In Spring Tensioning
- Mounts in Any Position
- 4.75 to 28 Vdc Input Voltage
- NPN Open Collector Output
- Measuring Wheel Sold Separately
Description
Description
The ZMD Series miniature length sensoris compact in size and easy-to-use,designed for light to medium duty sensingapplications. It features a built-in springloadedtorsion arm that provides a simple-to-adjust torsion load, allowing the unitto be mounted in almost any orientation,including upside down. Using a 6" circumference wheel, the ZMD can beused on almost any surface, while operatingat speeds up to 3000 feet per minute. Thehousing is a durable, conductive compositematerial that will eliminate static buildup. Whether you need to measure speed,position, or distances, the ZMD series contact rotary sensoris the ideal solution.
SPECIFICATIONS
ELECTRICAL
Input Voltage: 4.75 to 28 Vdc maximum for temperatures up to 85°C; 4.75 to 24 Vdc for temperatures between 85 to 100°C (185 to 212°F), reverse polarity protected
Input Current: 100 mA max (65 mA typical) with no output load
Outputs: NPN open collector transistor, 20 mA maximum current
Maximum Frequency: 200 KHz standard
Noise Immunity: Tested to BS EN61000- 6-2; BS EN50081-2; BS EN61000-4-2; BS EN61000-4-3; BS EN61000-4-6, BS EN500811 [Tested with 2 m (6.6') cable]
Symmetry: 180° (±18°) electrical
Quad. Phasing: 90° (±22.5°) electrical
Minimum Edge Sep: 67.5° electrical
Accuracy: Within 0.017° mechanical or 1 arc-minute from true position (for PPR>189)
MECHANICAL
Maximum Mechanical Speed: 6000 RPM. Higher speeds may be achievable, contact the factory
Shaft Material: Stainless Steel
Shaft Tolerance: +0.0000/-0.0004" (+0.000/-0.010 mm)
Radial Shaft Load: 5 lb., rated load of 2 to 3 lb for maximum bearing life
Axial Shaft Load: 5 lb., rated load of 2 to 3 lb for maximum bearing life
Starting Torque: 0.05 oz-in IP50; 0.4 oz-in IP65
Electrical Connection: 2 m (6.6') cable, (foil and braid shield, 24 AWG conductors). Drain wire internally connected to case
Mounting: Pivot Shaft can be mounted from either side of the housing and is field reversible
Housing: Stainless steel fibers in a high temperature nylon composite
Weight: 142 g (5 oz) typical
ENVIRONMENTAL
Operating Temperature: -20 to 85°C (-4 to 185°F)
Storage Temperature: -25 to 85°C (-13 to 185°F)
Humidity: 98% RH non-condensing
Vibration: 10 g @ 58 to 500 Hz
Shock: 80 g @ 11 msec duration
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