| Hysteresis + DeadBand | +/- 0.3 Percent Full Span |
|---|---|
| Operating Temperature | -50°C To +85°C |
| Type | Digital Valve Positioner |
| Materials | Copper-free Aluminum Housing |
| Signal Communication | HART 5 Or 7 Over 4-20mA |
| Maximum Hysteresis | 0.3 % |
|---|---|
| Stroke Range | 8-260 Mm |
| Model Number | SRD991 |
| Input Pressure | 1.4-6 Bar |
| Linearity | < 0.4 % Of The Travel Span |
| Deadband Adjustment | Adjustable Deadband To Accommodate Different Applications |
|---|---|
| Digital Communication Interface | Optional RS485 Modbus RTU Or FOUNDATION Fieldbus Interface |
| Protection Level | IP66 |
| Output Signal | 4-20mA DC, HART Protocol, Etc |
| Local Display | 4-digit LCD Screen, Which Can Display Current Analog Input Value, Output Value, Set Value, And Device Status Information |
| Available Agreement | 4-20mA HART |
|---|---|
| Body Material | Cast Iron |
| Positin Control | Modulating |
| Ambient Temperature | -40 °C -60 °C (-40 °F ... 140 °F) |
| Application | Industrial |
| Air Con | 0.082 To 0.637 Nm3/h @ 4.1 Bar |
|---|---|
| Temp | -52°C To 85°C (-61.6°F To 185°F) |
| Materials | Copper Free Aluminum, Stainless Steel |
| Repeatability | ≤0.25% |
| Air Cap | 30.6 Nm3/h @ 4.1 Bar (18 SCFM @ 60 Psi) |
| Input Signal | 4-20mA DC, 1-5V DC, 0-10V DC, HART Protocol, Etc |
|---|---|
| Protection Level | IP66 |
| Diagnostic Function | It Can Automatically Detect Faults And Device Status, And Provide Warning And Fault Prompt Information |
| Accuracy | Up To 0.075% Under Nominal Conditions |
| Deadband Adjustment | Adjustable Deadband To Accommodate Different Applications |
| Power Supply | 12-42V DC Power Supply |
|---|---|
| Local Display | 4-digit LCD Screen, Which Can Display Current Analog Input Value, Output Value, Set Value, And Device Status Information |
| Protection Level | IP66 |
| Digital Communication Interface | Optional RS485 Modbus RTU Or FOUNDATION Fieldbus Interface |
| Deadband Adjustment | Adjustable Deadband To Accommodate Different Applications |
| Input Signal | Electric |
|---|---|
| Data Interface | Wired |
| Supply Media | Non Corrosive Gas |
| Process Control | Flow, Pressure, Temperature, Level |
| Position Control | Throttling Control, On/Off |
| Communication Protocol | HART |
|---|---|
| Diagnostics | Yes |
| Max Outlet Pressure | 145 Psi |
| Process Control | Flow, Pressure, Temperature, Level |
| Packaging Details | Wooden box + protection |
| Protection Level | IP66 |
|---|---|
| Deadband Adjustment | Adjustable Deadband To Accommodate Different Applications |
| Diagnostic Function | It Can Automatically Detect Faults And Device Status, And Provide Warning And Fault Prompt Information |
| Local Display | 4-digit LCD Screen, Which Can Display Current Analog Input Value, Output Value, Set Value, And Device Status Information |
| Power Supply | 12-42V DC Power Supply |