HE Series Pressure Sensor
HE24 Micro-Fused Pressure Sensor
High-durability micro-fused glass-on-steel pressure sensor with monolithic 17-4PH stainless steel construction. Leak-proof design with no O-rings, silicone oil, or weld seams — engineered for demanding OEM and industrial applications up to 1000 bar.
±0.5% FS
Typical Accuracy
7–1000 bar
Pressure Range
5 Outputs
Signal Options
≤2 ms
Response Time
Product Overview
The HE24 Micro-Fused Pressure Sensor represents a breakthrough in monolithic pressure sensing technology. Built from a single piece of 17-4PH precipitation-hardened stainless steel, the HE24 eliminates the traditional weak points found in conventional welded or O-ring sealed designs. The sensing element is permanently bonded to the pressure port using micro-fused glass technology, creating a hermetically sealed, leak-proof assembly that requires no silicone oil fill or elastomeric seals.
This one-piece construction delivers exceptional overload protection at 2× full scale with transient shock tolerance up to 500% of rated pressure (maximum 1600 bar), and a burst pressure rating of 6× full scale up to 2000 bar. Combined with a service life exceeding 10 million pressure cycles, the HE24 is engineered for applications where long-term reliability under harsh conditions is non-negotiable.
The HE24 covers a wide measurement range from 7 bar to 1000 bar with five output signal options including 4–20 mA, 1–5 V, 0–5 V, 0.5–4.5 V, and ratiometric 0.5–4.5 V/5 V. It features a fast ≤2 ms response time, 0.03% FS resolution, and ±0.5% FS typical accuracy. The sensor operates across a media temperature range of -40 to +125°C and carries full CE certification with comprehensive EMC protection, surge protection, reverse polarity protection, and short-circuit output protection.
Designed as a modular platform for OEM integration, the HE24 supports customizable pressure connections, electrical connectors, and cable configurations — making it ideal for volume production across pump systems, hydraulic equipment, compressor controls, agricultural machinery, automotive test stands, and energy infrastructure.
Technical Specifications
| Parameter | Value |
|---|---|
| Sensing Technology | Micro-fused glass on 17-4PH stainless steel |
| Measurement Range | 0–7 bar … 0–1000 bar (gauge) |
| Overload Capacity | 2× FS (500% transient shock, max 1600 bar) |
| Burst Pressure | 6× FS (≤2000 bar) |
| Accuracy (Linearity, Hysteresis, Repeatability) | Typical: ±0.5% FS / Max: ±1% FS |
| Long-term Stability | Typical: ±0.2% FS/year / Max: ±0.3% FS/year |
| Response Time | ≤2 ms |
| Resolution | 0.03% FS |
| Durability | >1 × 10⁷ cycles (0 to FS) |
| Temperature Drift | Typical: ±2% FS / Max: ±3% FS/°C (compensated range) |
| Media Temperature | -40 to +125°C |
| Compensated Temperature | -20 to +85°C |
| Storage Temperature | -40 to +125°C |
| Output Signals | 4–20 mA, 1–5 V, 0–5 V, 0.5–4.5 V, 0.5–4.5 V/5 V (ratiometric) |
| Wetted Parts | 17-4PH & 304 stainless steel |
| Process Connection | M20×1.5 male, G1/4 male, custom (F0) |
| Electrical Connection | Direct cable 1 m, Hirschmann C-type, M12 connector (angle/straight) |
| Vibration Resistance | 20 g (IEC 60068-2-6) |
| Shock Resistance | 50 g / 11 ms (IEC 60068-2-27) |
| Insulation Resistance | >100 MΩ at 500 V AC, 1 min |
| Ingress Protection | IP65 (connector) / IP67 (cable) per IEC 60529 |
| EMC | Emission: IEC 61000-6-3 / Immunity: IEC 61000-6-2 |
| Certification | CE (EU) |
Key Features
Monolithic 17-4PH Construction
Machined from a single piece of 17-4PH precipitation-hardened stainless steel, eliminating weld seams, O-rings, and silicone oil for a completely leak-proof pressure path.
Extreme Overload Protection
Withstands 2× full scale continuous overload, 500% transient shock (max 1600 bar), and 6× FS burst pressure (≤2000 bar) for unmatched ruggedness in harsh environments.
Micro-Fused Glass Bonding
Strain gauges are permanently bonded via glass micro-fusion technology, delivering superior vibration resistance (20 g), shock tolerance (50 g), and long-term stability (±0.2% FS/year).
Wide Operating Temperature
Operates from -40 to +125°C media temperature with compensated range of -20 to +85°C, suitable for outdoor installations and extreme industrial environments.
Full CE Compliance
Meets heavy industrial CE standards including IEC 61000-6-2/6-3 EMC protection, surge protection, reverse polarity protection, and short-circuit output protection.
OEM-Ready Modular Design
Configurable pressure ranges, output signals, process connections, and electrical connectors. Supports private labeling and custom specifications for volume OEM orders.
Applications
Hydraulic & Pneumatic Systems
Monitor and control hydraulic pressure in mobile machinery, industrial presses, and pneumatic actuators with high overload tolerance and fast response.
Pump & Compressor Control
Reliable pressure feedback for industrial pumps, compressors, and chiller units with leak-proof design that eliminates contamination risk in closed-loop systems.
Automotive & Engine Testing
Pressure measurement in brake systems, transmission lines, diesel engine test stations, and aircraft test benches requiring shock and vibration resistance.
Agricultural & Spraying Equipment
Pressure monitoring in agricultural sprayers, crop dusting systems, and irrigation pumps exposed to vibration, outdoor temperatures, and chemical media.
Energy & Water Treatment
Pipeline pressure monitoring in power stations, water treatment plants, and HVAC systems where long-term stability and IP67 protection are critical.
Oil & Gas Wellhead Monitoring
Downhole and wellhead pressure sensing for oil wells, gas pipelines, and production equipment requiring extreme overload protection and extended cycle life.
Ordering Guide
Build your HE24 model code using the table below. Example: HE24-G-020B-A1-F2-W3 = HE24 Micro-Fused Pressure Sensor, Gauge, 0–20 bar, 4–20 mA output, G1/4 male thread, M12 angle connector with 1 m cable.
| Position | Code | Description |
|---|---|---|
| Model | HE24 | Micro-Fused Pressure Sensor |
| Pressure Type | G | Gauge pressure |
| Range | 007B | 0–7 bar |
| 010B | 0–10 bar | |
| 020B | 0–20 bar | |
| 035B | 0–35 bar | |
| 070B | 0–70 bar | |
| 100B | 0–100 bar | |
| 200B | 0–200 bar | |
| 350B | 0–350 bar | |
| 500B | 0–500 bar | |
| 700B | 0–700 bar | |
| 01KB | 0–1000 bar | |
| Output | A1 | 4–20 mA (2-wire) |
| V1 | 1–5 V | |
| V2 | 0–5 V | |
| V3 | 0.5–4.5 V | |
| V4 | 0-9–4.5 V / 5 V (ratiometric) | |
| Process Connection | F1 | M20×1.5 male |
| F2 | G1/4 male | |
| F0 | Custom (specify) | |
| Electrical Connection | W1 | Direct cable, 1 m |
| W2 | Hirschmann C-type connector | |
| W3 | M12 angle connector, 1 m cable | |
| W4 | M12 straight connector, 1 m cable | |
| Options | T | Special requirements (specify in order notes) |
Frequently Asked Questions
Need a Rugged, Leak-Proof Pressure Sensor?
Whether you need a single HE24 micro-fused sensor for a demanding hydraulic application or a volume OEM supply for your production line, our engineering team can help you select the right pressure range, output signal, and connector configuration for your requirements.
Our engineers typically respond within 12 business hours with detailed technical specifications and pricing.