Technical Specification - GE Masoneilan 469 Series Instruction Manual

Position transmitter and limit switch

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Technical Specification

Internal components for limit switch and position transmitter are mounted inside an IP66/IP67 enclosure.

Performances of position transmitter type 496-857 or 496-857/. and 496-858 or 496-858/.

• Output signal: 4-20 mA (2 wires)

• Acceptable span on the command axle: from 25° to 90° for rotary or reciprocating valves

• Rotation: clockwise or counter clockwise

• Linearity: ≤ ± 0.5% for a rotary angle of 25° to 90° (typically ± 0.3% for a rotary angle ≥ 60°)

• Hysteresis: ≤ 0.1%

• Dead band: ≤ 0.1%

• Repeatability: ≤ 0.1%

• Total drift in temperature: 0.02 %/°C or 200 ppm/°C (zero and span range)

• Operating temperature range: -40°C to +80°C

Electrical characteristics and temperature range of the position transmitter with micro-switch(es) or proximity

switch(es) are given in the following sections.

496 Series Masoneilan Position Transmitter ATEX Instruction Manual | 7

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