HDA 4845-B-250-000 | HYDAC Pressure Transducer 250bar 0-10V G1/4

HDA 4845-B-250-000

Product Overview

The HDA 4845-B-250-000 is a classic model in the HYDAC HDA 4800 series of high-precision pressure transducers. The series features a very precise and robust sensor element based on thick-film DMS technology on a stainless steel diaphragm, offering high accuracy and excellent interference immunity. The product is compact, lightweight, and suitable for installation in space-constrained environments.

The HDA 4845-B-250-000 is a relative pressure transducerwith a pressure range of 0–250 bar, 0–10V output signal, and accuracy of 0.25% max = 0.125% typ. The mechanical connection is G1/4 A male thread (per ISO 1179-2), and the electrical connection is DIN EN 175301-803 / 3-pin + PE. The product is UL approved.

As an original HYDAC high-precision pressure transducer, this product offers complete interchangeability within the same series and size, requiring no modifications to mounting interfaces or system configurations.

Technical Specifications (Bulleted List)

• Model: HDA 4845-B-250-000

• Brand: HYDAC

• Series: HDA 4800 Series

• Product Type: Pressure Transducer

• Pressure Type: Relative Pressure (Gauge)

• Pressure Range: 0–250 bar

• Output Signal: 0–10V

• Accuracy: 0.25% max = 0.125% typ

• Mechanical Connection: G1/4 A male thread (ISO 1179-2 / external)

• Electrical Connection: DIN EN 175301-803 / 3-pin + PE

• Approval: UL approved

• Supply Voltage: 9–30 VDC (typical 24V DC)

• Body Material: Stainless steel

• Sensor Technology: Stainless steel diaphragm + thick-film DMS

• Protection Class: IP65 / IP67 (connector-dependent)

• Temperature Compensation: Built-in

• Operating Temperature: -25°C to +85°C

• Mounting: Threaded connection (G1/4 A male)

• Weight: Approx. 0.13–0.15 kg

Key Technical Advantages

1. High-Accuracy DMS Sensor Technology

Features thick-film DMS technology on a stainless steel diaphragm, delivering long-term stability and excellent interference immunity with accuracy as high as 0.125% typ. The sensor element is extremely robust for demanding industrial environments.

2. 0–10V Voltage Output for Standard Control Systems

Provides a 0–10V standard voltage output, directly compatible with most PLC and industrial control system analog input modules without additional signal conversion.

3. Compact Design for Space-Saving Installation

The product is compact and lightweight (approx. 0.13–0.15 kg), suitable for installation in space-constrained environments. The G1/4 A male thread interface is highly compatible with standard hydraulic piping.

4. Wide Supply Voltage Range with UL Approval

Supports a 9–30 VDC wide supply voltage range, compatible with various industrial power systems. UL approved, meeting international safety standards.

5. Excellent Temperature Stability and Wide Operating Range

Built-in temperature compensation minimizes temperature-induced measurement errors. Operating temperature range covers -25°C to +85°C, suitable for diverse extreme climate and industrial environments.

6. International Standard Compliance for High Installation Compatibility

Electrical connection conforms to DIN EN 175301-803. Mechanical connection conforms to ISO 1179-2. Fully compatible with globally adopted interfaces for direct replacement of same-series, same-specification products.

Application Areas

• Hydraulic System Pressure Monitoring — Real-time pressure monitoring and control for hydraulic power units and valve groups

• Pneumatic System Pressure Measurement — Working pressure monitoring for pneumatic circuits

• Construction Machinery — Hydraulic system pressure monitoring for excavators, loaders, and mobile equipment

• Steel and Metallurgical Industry — Hydraulic pressure monitoring for rolling mills and continuous casting equipment

• Marine and Offshore Engineering — Pressure monitoring for marine hydraulic systems

• Wind Power Generation — Pressure monitoring and control for wind turbine hydraulic systems

• Industrial Automation — Pressure measurement and feedback control for automated production lines

Expert Maintenance Tips

1. Installation Guidelines

• Mechanical connection is G1/4 A male thread (ISO 1179-2) — verify interface compatibility before installation.

• Recommended installation torque: approx. 20–25 N·m — avoid overtightening to prevent thread or seal damage.

• Clean the thread and sealing surface before installation to prevent foreign particles from entering the sensor.

• Electrical connection is DIN EN 175301-803 / 3-pin + PE — ensure the connector is fully locked to maintain protection class.

2. Electrical Connection Specifications

• Supply voltage: 9–30 VDC (typical 24V DC) — verify voltage is within allowable range before connection.

• Output signal: 0–10V — use shielded cables for signal lines to prevent electromagnetic interference.

• Shielded cables recommended; ground the shield at one end.

3. Operating Environment Requirements

• Operating temperature: -25°C to +85°C — operation outside this range may affect accuracy or damage the sensor.

• Protection class: IP65 / IP67 (connector-dependent) — suitable for wet, dusty, and demanding environments.

4. Periodic Maintenance Inspection

• Inspect the sensor exterior and electrical connections for looseness, oxidation, or moisture ingress every 2,000 operating hours or at least annually.

• Periodically verify measured values are within reasonable range — perform zero and full-scale calibration if abnormal deviation is observed.

• The sensor contains no user-serviceable parts — replace as a complete unit if faulty; do not attempt disassembly.

HDA 4745-A-400-000

Product Overview

The HDA 4745-A-400-000 is a classic model in the HYDAC HDA 4700 series of high-precision pressure transducers. The HDA 4700 series features a very robust sensor element based on thin-film DMS technology on a stainless steel diaphragm, offering high accuracy and excellent long-term stability. The product is widely used in hydraulic and pneumatic applications, particularly in applications requiring frequent switching cycles.

The HDA 4745-A-400-000 is a relative pressure transducerwith a pressure range of 0–400 bar (approx. 6000 psi), 4–20mA 2-wire output signal, and accuracy of 0.50% max = 0.25% typ. The mechanical connection is G1/4 A male thread (per ISO 1179-2), and the electrical connection is DIN EN 175301-803 / 3-pin + PE. The product is UL approvedand weighs approximately 130 g.

As an original HYDAC high-precision pressure transducer, this product offers complete interchangeability within the same series and size, requiring no modifications to mounting interfaces or system configurations.

Technical Specifications (Bulleted List)

• Model: HDA 4745-A-400-000

• Brand: HYDAC

• Series: HDA 4700 Series

• Product Type: Pressure Transducer

• Pressure Type: Relative Pressure (Gauge)

• Pressure Range: 0–400 bar (approx. 6000 psi)

• Output Signal: 4–20mA (2-wire) 

• Accuracy: 0.50% max = 0.25% typ

• Typical Curve Error: ≤±0.25% FS

• Temperature Compensation: ≤±0.08% FS / 10K

• Mechanical Connection: G1/4 A male thread (ISO 1179-2 / external)

• Electrical Connection: DIN EN 175301-803 / 3-pin + PE

• Approval: UL approved

• Supply Voltage: 8–30 VDC

• Body Material: Stainless steel

• Sensor Technology: Stainless steel diaphragm + thin-film DMS

• Protection Class: IP65 / IP67 (connector-dependent)

• Installation Torque: Approx. 20 N·m

• Weight: Approx. 130 g (0.13 kg) 

Key Technical Advantages

1. High-Accuracy Thin-Film DMS Sensor Technology

Features thin-film DMS technology on a stainless steel diaphragm, delivering excellent long-term stability and measurement accuracy. Setting accuracy ≤±0.5% FS, typical curve error ≤±0.25% FS, ensuring high-precision pressure measurement.

2. 4–20mA 2-Wire Current Output — Excellent Noise Immunity

Provides a 4–20mA 2-wire current output. Current signals are immune to line resistance over long distances, offering excellent noise immunity for industrial field signal transmission.

3. Superior Temperature Stability

Built-in temperature compensation with ≤±0.08% FS / 10K accuracy, effectively minimizing temperature-induced measurement errors for stable measurement across varying ambient temperatures.

4. Compact Lightweight Design

Weighting only approx. 130 g, the compact design is ideal for mobile equipment and compact hydraulic systems with strict weight and space constraints.

5. Wide Supply Voltage Range with UL Approval

Supports an 8–30 VDC wide supply voltage range, compatible with various industrial power systems. UL approved, meeting international safety standards.

6. International Standard Compliance for High Installation Compatibility

Electrical connection conforms to DIN EN 175301-803. Mechanical connection conforms to ISO 1179-2. Fully compatible with globally adopted interfaces for direct replacement.

Application Areas

• Hydraulic System Pressure Monitoring — Real-time pressure monitoring and control for hydraulic power units and valve groups

• Pneumatic System Pressure Measurement — Working pressure monitoring for pneumatic circuits

• Injection Molding Machinery — Precise monitoring of injection and holding pressure

• Die-Casting Machines — Real-time injection pressure monitoring

• Construction Machinery — Hydraulic system pressure monitoring for excavators, loaders, and mobile equipment

• Marine and Offshore Engineering — Pressure monitoring for marine hydraulic systems

• Wind Power Generation — Pressure monitoring and control for wind turbine hydraulic systems

• Industrial Automation — Pressure measurement and feedback control for automated production lines

• Aerospace — Hydraulic system pressure monitoring

Expert Maintenance Tips

1. Installation Guidelines

• Mechanical connection is G1/4 A male thread (ISO 1179-2) — verify interface compatibility before installation.

• Recommended installation torque: approx. 20 N·m — avoid overtightening.

• Clean the thread and sealing surface before installation.

• Electrical connection is DIN EN 175301-803 / 3-pin + PE — ensure the connector is fully locked to maintain protection class.

2. Electrical Connection Specifications

• Supply voltage: 8–30 VDC (typical 24V DC) — verify voltage is within allowable range.

• Output signal: 4–20mA 2-wire — observe correct polarity during wiring.

• Shielded cables recommended; ground the shield at one end.

3. Operating Environment Requirements

• Operating temperature: -40°C to +85°C — suitable for diverse extreme climate and industrial environments.

• Protection class: IP65 / IP67 (connector-dependent) — suitable for wet, dusty, and demanding environments.

4. Periodic Maintenance Inspection

• Inspect the sensor exterior and electrical connections for looseness, oxidation, or moisture ingress every 2,000 operating hours or at least annually.

• Periodically verify measured values are within reasonable range — perform zero and full-scale calibration if abnormal deviation is observed.

• The sensor contains no user-serviceable parts — replace as a complete unit if faulty; do not attempt disassembly.

HDA 4744-A-100-000

Product Overview

The HDA 4744-A-100-000 is a classic model in the HYDAC HDA 4700 series of high-precision pressure transducers. The HDA 4700 series features a very robust sensor element based on thin-film DMS technology on a stainless steel diaphragm, offering high accuracy and excellent long-term stability. The series features a compact design with robust housing and high protection class, suitable for harsh industrial environments.

The HDA 4744-A-100-000 is a relative pressure transducerwith a pressure range of 0–100 bar, 4–20mA 2-wire output signal, and accuracy of 0.50% max = 0.25% typ. The mechanical connection is G1/4 A male thread (per ISO 1179-2), and the electrical connection is Binder 714 M18 / 4-pin series. The product is UL approved.

As an original HYDAC high-precision pressure transducer, this product offers complete interchangeability within the same series and size, requiring no modifications to mounting interfaces or system configurations.

Technical Specifications (Bulleted List)

• Model: HDA 4744-A-100-000

• Brand: HYDAC

• Series: HDA 4700 Series

• Product Type: Pressure Transducer

• Pressure Type: Relative Pressure (Gauge)

• Pressure Range: 0–100 bar (approx. 1450 psi)

• Output Signal: 4–20mA (2-wire) 

• Accuracy: 0.50% max = 0.25% typ

• Mechanical Connection: G1/4 A male thread (ISO 1179-2 / external)

• Electrical Connection: Binder 714 M18 / 4-pin series

• Approval: UL approved

• Supply Voltage: 9–30 VDC (typical 24V DC)

• Body Material: Stainless steel

• Sensor Technology: Stainless steel diaphragm + thin-film DMS

• Protection Class: IP65 / IP67 (connector-dependent)

• Operating Temperature: -40°C to +85°C

• Mounting: Threaded connection (G1/4 A male)

• Weight: Approx. 0.13–0.15 kg

Key Technical Advantages

1. High-Accuracy Thin-Film DMS Sensor Technology

Features thin-film DMS technology on a stainless steel diaphragm, achieving measurement accuracy of 0.25% FS typ for highly precise pressure measurement data.

2. 4–20mA 2-Wire Current Output — Excellent Noise Immunity

Provides a 4–20mA 2-wire current output. Current signals are immune to line resistance over long distances, offering excellent noise immunity.

3. Binder M18 Compact Electrical Connection

Features Binder 714 M18 / 4-pin series connector, more compact than standard DIN plugs and ideal for space-constrained installations.

4. Compact Robust Industrial-Grade Design

Robust housing with high protection class, suitable for harsh industrial environments. Ideal for high-precision pressure measurement in space-constrained applications.

5. Wide Supply Voltage Range with UL Approval

Supports a 9–30 VDC wide supply voltage range, compatible with various industrial power systems. UL approved, meeting international safety standards.

6. Wide Temperature Range with Excellent Temperature Stability

Operating temperature range covers -40°C to +85°C, suitable for diverse extreme climate and industrial environments. Built-in temperature compensation ensures stable measurement across varying ambient temperatures.

7. International Standard Compliance for High Installation Compatibility

Mechanical connection conforms to ISO 1179-2. Fully compatible with globally adopted G1/4 A interfaces for direct replacement of same-series, same-specification products.

Application Areas

• Compact Hydraulic Systems — Pressure monitoring for space-constrained hydraulic power units and valve groups

• Pneumatic System Pressure Measurement — Working pressure monitoring for pneumatic circuits

• Construction Machinery — Hydraulic system pressure monitoring for excavators, loaders, and mobile equipment

• Injection Molding Machinery — Precise monitoring of injection and holding pressure

• Die-Casting Machines — Real-time injection pressure monitoring

• Steel and Metallurgical Industry — Hydraulic pressure monitoring for rolling mills and continuous casting equipment

• Wind Power Generation — Pressure monitoring and control for wind turbine hydraulic systems

• Industrial Automation — Pressure measurement and feedback control for automated production lines

• Petroleum, Chemical, Metallurgical, Power, Water Supply — Gauge and absolute pressure measurement for gases and liquids

Expert Maintenance Tips

1. Installation Guidelines

• Mechanical connection is G1/4 A male thread (ISO 1179-2) — verify interface compatibility before installation.

• Recommended installation torque: approx. 20–25 N·m — avoid overtightening.

• Clean the thread and sealing surface before installation.

• Electrical connection is Binder 714 M18 / 4-pin series — ensure the connector is fully locked to maintain protection class.

2. Electrical Connection Specifications

• Supply voltage: 9–30 VDC (typical 24V DC) — verify voltage is within allowable range.

• Output signal: 4–20mA 2-wire — observe correct polarity during wiring.

• Shielded cables recommended; ground the shield at one end.

3. Operating Environment Requirements

• Operating temperature: -40°C to +85°C — suitable for diverse extreme climate and industrial environments.

• Protection class: IP65 / IP67 (connector-dependent) — suitable for wet, dusty, and demanding environments.

4. Periodic Maintenance Inspection

• Inspect the sensor exterior and electrical connections for looseness, oxidation, or moisture ingress every 2,000 operating hours or at least annually.

• Periodically verify measured values are within reasonable range — perform zero and full-scale calibration if abnormal deviation is observed.

• The sensor contains no user-serviceable parts — replace as a complete unit if faulty; do not attempt disassembly.