Single-turn potentiometer WLH35B

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Product overview
WLH35B is a 1-turn contactless magnetic potentiometer designed for precise angular position sensing in industrial control and motion systems. It provides high resolution and long life in a compact anodized aluminium housing.

Key features

• Magnetic rotary sensor (digital potentiometer)
• Low-cost version for economical integration
• Shaft with front and rear extensions
• Includes one pair of precision ball bearings
• Screw & servo mounting options

Dimensions
Dimension drawing available (figure titled WLH35B).

General mechanical specifications

• Mechanical angle: 360º (endless)
• Protection degree: IP40
• Operating torque: <1 mN·m
• Life expectancy: 100,000,000 cycles
• Mass: Approx. 40 g
• Housing material: Anodized aluminium alloy
• Shaft material: Stainless steel

Environmental specifications

• Operating temperature range: -40℃ ～ +85℃
• Storage temperature range: -40℃ ～ +85℃
• ESD durability: Contact discharge ±8KV, Aerial discharge ±15KV (EN61000-4-2:2009)
• EMS durability: 10 V/m (80MHz～1GHz, 1KHz 80% AM), EN61000-4-3:2006+A1:2010

General electrical specifications

• Standard model: WLH35B 0505 W360 (other input/output options available: 2410, 2405, 2442)
• Input voltage (standard 0505): 5V ±10%
• Output signal (standard 0505): 0～100% Vcc
• Current consumption (no-load): <16 mA
• Output deviation at both ends: <1%·VCC
• Load resistance: >100 KΩ
• Effective electrical angle: 360º
• Independent linearity: ±0.5%
• Resolution: 4096 (12 Bit)
• Update rate: 0.3 ms
• Insulation resistance: >1000 MΩ (500 V.D.C)
• Dielectric strength: 1 min (500 V.A.C)

Input voltage / Output signal options

• 0505: 5V ±10% / 0～100% Vcc
• 2410: 15～30V / 0～10V
• 2405: 9～30V / 0～5V
• 2442: 15～30V / 4～20mA

Special specifications available

• Special analog signals: 1010 (10V applied, 0～10V output), 0305 (3.3V applied, 0～5V output), dual analog outputs and PWM
• Custom shaft: special length/diameter or machining (slotting, flattening, holes)
• Solderless wire terminal option

Technical summary

• Model: WLH35B
• Type: 1-turn contactless magnetic potentiometer (magnetic rotary sensor)
• Electrical/mechanical effective angle: 360º (continuous)
• Common supply: 5V (0505), other supply/output options supported
• Output forms: 0～100%Vcc, 0～10V, 0～5V, 4～20mA
• Resolution: 12-bit (4096)
• Life: 100,000,000 cycles
• Operating temperature: -40℃ ～ +85℃