Samson Intelligent Electrical Valve Positioner

Samson Intelligent Electrical Valve Positioner3730-3100100040000009 is a 3730-3 series intelligent electrical valve positioner produced by SAMSON, Germany, with HART communication and intrinsic safety explosion-proof function.

1、 Analysis of Model Meaning

3730-3 1 0 0 1 0 0 0 4 0 0 0 0 0 0 0 0 9

3730-3: Basic Series, Intelligent, with HART Communication

1: Intrinsic safety type (Ex ia), explosion-proof rating ATEX/IECEx

0: Single acting actuator (gas on/off)

0: Without position feedback (4~20mA)

1: Equipped with LCD display

0: Without manual button

0: Standard travel (straight travel 3.6~200mm; angular travel 24~100 °)

0: Without NAMUR limit switch

4: 2 configurable software contacts+1 fault alarm contact

0: Standard shell material (die cast aluminum)

0: Standard protection level (IP66)

0: Standard ambient temperature (-20 ° C~+60 ° C)

0: Without gas source pressure gauge

0: Without stainless steel components

0: Without anti-corrosion coating

0: Without additional authentication

0: Without external position sensor

9: Chinese operation menu

Samson Intelligent Electrical Valve Positioner

2、 Core technical parameters

1. Performance indicators

Control signal: 4-20 mA DC (two-wire system)

Communication protocol: HART ® (Can be remotely diagnosed and configured)

Gas source pressure: 0.14~7 bar

Linear accuracy: ≤± 0.5% (full stroke)

Repeatability: ≤± 0.2%

Step response time:<1 second

Dead zone: 0.1~9.9% (adjustable)

2. Explosion proof and Protection

Explosion proof certification: ATEX/IECEx

Explosion proof rating: II 2G Ex ia IIC T6 Gb; II 2D Ex ia IIIC T80°C Db

Applicable area: Zone 0/1 (gas); Zone 20/21 (Dust)

Protection level: IP66 (dustproof, waterproof)

3. Physical characteristics

Travel range:

Straight stroke: 3.6~200 mm

Angular travel: 24~100 °

Environmental temperature: -20 ° C~+60 ° C

Shell material: die cast aluminum (standard)

Weight: Approximately 1.6 kg

Installation: NAMUR/IEC 60534-6 standard interface

4. Functional characteristics

Automatic calibration/self-tuning: One click initialization, automatic valve adaptation

Non contact position sensor

EXPERTplus advanced diagnostic function

2 software limit switches+1 fault alarm contact

LCD display, reversible, supports Chinese

Parameter storage: EEPROM, power-off hold

Compatibility: Single/double acting actuator (3710 amplifier is required for double acting)

3、 Typical applications

Dangerous explosion-proof areas such as petrochemicals and natural gas

High precision process control in power plants, metallurgy, pharmaceuticals, and other industries

Paired with pneumatic diaphragm/piston actuator to form a pneumatic control valve