MEH-14 Rotary Micro Encoders

MTL Encoders

Outer Diameter φ21mm, Incremental , Square Wave Output

MTL MEH-14 Micro Rotary Incremental Encoders

MTL presents the MEH-14 series rotary encoders. They all based on space-saving design
and available in many types from ultra-small types to high-resolution products…


Detection systemIncremental
Output phaseA, -A, B, -B, Z, -Z phaze CS phaze(U, -U, V, -V, W, -W)
Output formSquare, Line driver output
Output pulse number( P/R)2250, 4500(2250×2), 9000(2250×4)

11250(2250×5), 18000(2250×8), 22500(2250×10)

36000(2250×16), 45000(2250×20), 72000(2250×32)

OutputPhase difference between neighboring A/B phases: T/4 ± T/8 Waveform ratio of 1T: T ± 0.3t

Z phase width: T ± T/2(Synchronized with 1T of B phase)

Supply voltageDC5V±5%
Current consumption150mA or less
Maximum response frequency50kHz×division ratio(2, 4, 5, 8, 10, 16, 20, 32)
Output capacityOutput current(Io):±20mAmax.

Output voltage Vo:l 0.5Vmax. VoH:2.5Vmin.

Maximum allowable revolutions6000r/min
Working ambient temperature/ humidity-10℃~+70℃/RH35%~90% no dewing
Storing ambient temperature-20℃~+80℃
Vibration resistanceDurability 55Hz, double amplitude 1.5mm 2 hours each in X, Y, and Z directions
Impact resistanceDurability 50G 3 times each in X, Y, and Z directions
CableOutside diameter φ3.0 14-cores shield cable(without CS phaze: 8-cores)
Mass35g(excluding cable)



Check pdf for all details: 

MTL MEH-14 Series Rotary Encoders 
MTL Micro Encoder Selection Guide

For other products please check product selection table: Rotary Encoders

MTL MEH-14 Rotary Micro Encoders


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