SDP-M7300 High-Accuracy Glass Micro-Fused Pressure Transmitter
The SDP-M7300 is a high-accuracy pressure transmitter featuring glass micro-fused sensing technology and digital temperature compensation. With ±0.25% FS (BFSL) accuracy, it delivers reliable pressure measurement for industrial machinery, hydraulic and pneumatic systems, and automated test equipment.
Its compact design, rugged metal diaphragm and one-piece pressure body support demanding OEM applications. Multiple output signals, pressure connections and electrical connector options allow flexible integration into different equipment designs.
Features
• High accuracy: ±0.25% FS (BFSL)
• Digital temperature compensation from −20°C to +85°C
• Wide operating temperature range: −40°C to +125°C
• Gauge, sealed gauge and compound pressure options
• Voltage, 4–20 mA and RS485 output options
• Multiple wetted-material options for different media requirements
Product Overview
The SDP-M7300 Industrial Pressure Transmitter combines glass micro-fused sensing technology with digital temperature compensation for accurate pressure measurement across a wide temperature range. Its compact construction and one-piece pressure cavity support integration into industrial equipment and OEM systems.
Multiple output options, pressure references and wetted materials allow configuration for different measurement requirements.
Product Features
- Glass micro-fused sensing technology with digital temperature compensation
- Accuracy: ±0.25% FS BFSL
- Compensated temperature range: −20 to +85°C
- One-piece pressure cavity to minimize potential leak paths
- Voltage, 4–20 mA and RS485 output options
- Gauge, sealed gauge and compound pressure configurations
Applications
- Hydraulic and pneumatic systems
- Industrial machinery and pressure control
- Automotive test benches and automated testing
- HVAC and refrigeration systems
- Data center liquid cooling systems
- High-precision pressure monitoring
Structural Characteristics
| Sensing Technology | Glass micro-fused |
|---|---|
| Compensation | Digital temperature compensation |
| Pressure Cavity | One-piece construction |
| Wetted Material Options | 17-4PH stainless steel; 316L stainless steel; alloys C276, 625 or 718 |
Environmental Conditions
| Compensated Temperature | −20 to +85°C |
|---|---|
| Operating Temperature | −40 to +125°C |
| Storage Temperature | −40 to +125°C |
| Shock | 50 g, 11 ms |
| Vibration | ±20 g |
Confirm the temperature limits of the selected cable, connector and seals for your application.
Electrical Characteristics
| Voltage Outputs | 0.5–4.5 V; 1–5 V; 0–5 V; 0–10 V; 1–6 V |
|---|---|
| Current Output | 4–20 mA |
| Digital Interface | RS485 |
| Insulation Resistance | 100 MΩ at 250 VDC, signal-to-case |
| Voltage Output Load | RL > 100 kΩ |
| Current Output Load | RL < (Vsupply − 9 V) / 0.02 A |
| Current Consumption | <10 mA* |
| Response Time | <2 ms for voltage output; <3 ms for current output (10–90%, without damping) |
Supply voltage and wiring depend on the selected output. *Confirm current consumption for the chosen version; this value does not describe the 4–20 mA loop current. Confirm the RS485 protocol and communication settings before ordering.
Technical Specifications
| Pressure Ranges | From 0–3.5 bar to 0–700 bar |
|---|---|
| Pressure Reference | Gauge / Sealed gauge / Compound |
| Accuracy | ±0.25% FS BFSL |
| Zero Offset | ±0.25% FS |
| Full-Scale Offset | ±0.25% FS |
| Total Error Band | ±0.5% FS typical; ±0.75% FS maximum over the compensated temperature range |
| Long-Term Stability | ±0.25% FS/year |
| Pressure Cycle Life | 1 × 107 cycles, 0–FS |
| Overload Pressure | 2 × rated pressure, capped at 20,000 psi* |
| Burst Pressure | 3 × rated pressure, capped at 20,000 psi* |
FS: full scale. BFSL: best-fit straight line. *Overload and burst ratings are subject to the selected range and construction. Confirm available range/reference combinations before ordering.
Dimensions
Overall dimensions depend on the pressure connection and electrical connector. Contact SensorDyna for the dimensional drawing matching your selected SDP-M7300 configuration.
Electrical Connection
Use the wiring diagram supplied for the selected output and connector. Confirm supply voltage, polarity and terminal assignments before installation. For RS485 versions, also confirm the A/B terminal definitions and communication settings.
Product Selection
| Model | SDP-M7300 |
|---|---|
| Pressure Requirement | Specify range, pressure reference and expected pressure peaks |
| Electrical Requirement | Specify output, supply voltage and connector or cable |
| Mechanical Requirement | Specify pressure port, wetted material and installation space |
| Operating Conditions | Specify medium, temperature, vibration and ingress protection requirements |
Contact SensorDyna for configuration matching, sample availability and OEM customization.
