Miniature Length Sensor |
| ZMD Series Contact Rotary Encoder |
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Miniature Length Sensor, Rotary encoder
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The ZMD Series miniature length sensor
is compact in size and easy-to-use,
designed for light to medium duty sensing
applications. It features a built-in springloaded
torsion arm that provides a simple-to-
adjust torsion load, allowing the unit
to be mounted in almost any orientation,
including upside down. Using a 6" circumference wheel,
the ZMD can be
used on almost any surface, while operating
at speeds up to 3000 feet per minute. The
housing is a durable, conductive composite
material that will eliminate static build
up. Whether you need to measure speed,
position, or distances, the ZMD series contact rotary sensor
is 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
Sealing: IP50
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† All dollar amounts on this site are shown in US currency.
Ordering Example: (1) AU-ZMD0250B Length sensor with 250 ppr, $248.00, plus (1) AU-W100060F 6" circumference urethane measuring wheel, $31.00, $248.00 + 31.00 = $279.00
(1) AU-ZMD1000B Contact rotary encoder with 1000 ppr, $248.00, plus (1) AU-W100060K 6" circumference knurled measuring wheel, $31.00, plus (1) AU-RPGMB002 Mounting bracket, $28.00, $248.00 + 31.00 + 28.00 = $307.00
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