Description

3725-1 Electro-pneumatic Positioner | Samson

Type: 3725 Electropneumatic Positioner

3725-1 Electro-pneumatic Positioner Features:

• ompact simple electro-pneumatic positioner design to address light industrial applications
• Proven SAMSON Positioner Technology with Automatic Initialization and High Control Accuracy
• Spring compression electrical connection do not require instrument screwdriver
• Unit will attach to both linear and rotary actuators, independent of Fail Safe Action or Moving Direction, and allows for the display to rotate 180­
• Programmable via a scrollable menu list with three push button inputs
• Automatic calibration and initialization allows for easy of setup

Specification of 3730-1 Electro-pneumatic Positioner:

Type 3725 Positioner
Travel (adjustable) Direct attachment to Type 3277: 5 to 30 mm

Attachment to rotary actuators: 24 to 100°
Direct attachment to Type 2780-2: 6/12/15 mm
Attachment to Type 3372 Actuator: 15/30 mm
Attachment according to IEC 60534-6 (NAMUR): 5 to 50 mm

Reference variable w
(reverse polarity protection)
Static destruction limit
4 to 20 mA signal range · Two-wire device
Split-range operation 4 to 11.9 mA and 12.1 to 20 mA
±33 V
Minimum current 3.8 mA
Load impedance Max. 6.3 V (corresponds to 315 Ω at 20 mA)
Supply air
Air quality acc. to
ISO 8573-1
Supply air: 1.4 to 7 bar (20 to 105 psi)

For complete datasheet : TSP Controls – Samson 3725-1 Datasheet – 1

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