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Help CenterKY1004 Hirschmann Integrated Temperature Pressure Transmitter Sensor 4-20mA IP65 Temperature Sensor 316SS Temperature Switch
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1. Product Overview
The KY1004 Hirschmann integrated temperature transmitter is a temperature monitoring device specifically designed for industrial hydraulic, lubrication, and transmission systems. It operates on the principle of a purely mechanical temperature sensing element (such as a liquid-filled thermal bulb or bimetallic strip), which converts temperature changes into mechanical displacement to directly actuate a micro switch, thereby outputting a switching signal.
Core Advantages:
Strong Anti-Interference Capability: Purely mechanical triggering makes it immune to electromagnetic interference, making it suitable for variable frequency drive environments and other strong electromagnetic fields.
Simple Wiring: Directly outputs switching signals, eliminating the need for temperature transmitters and PLC analog input modules.
High Durability: The wetted parts are made of stainless steel, with a switch life exceeding 1 million cycles, suitable for demanding industrial applications.
Safety and Reliability: Can be used for over-temperature alarm or fail-safe interlock functions to ensure system safety.
2. Technical Specifications
| Parameter Item | Specification / Performance Indicator |
|---|---|
| Measuring Principle | Mechanical temperature sensing (Liquid-filled expansion type / Bimetallic type) |
| Measuring Range | -30 ～ +150 ℃ |
| Setting Accuracy | ±0.25% of full scale |
| Differential / Hysteresis | Fixed (or adjustable), refer to specific model data |
| Switch Life | ≥ 1 million cycles (Mechanical life) |
| Output Type | Mechanical micro switch, SPDT (Single Pole Double Throw) |
| Output Logic | Normally Open (NO) + Normally Closed (NC) optional |
| Supply Voltage | 24 VDC (provided by external circuit) |
| Wetted Materials | 304 Stainless Steel / 316 Stainless Steel (optional) |
| Process Connection | Threaded mounting (e.g., G1/2, M20×1.5, NPT1/2) |
| Pressure Rating | 40 bar ～ 100 bar |
| Ingress Protection (IP) Rating | IP65 (per EN 60529 standard) |
| Ambient Temperature | -30 ～ +70 ℃ |
| Medium Temperature | -30 ～ +150 ℃ |
3. Product Applications
The Hirschmann integrated temperature transmitter is widely used for temperature monitoring and control in various industrial applications, particularly where high reliability and resistance to electromagnetic interference are required.
Hydraulic Systems: Monitoring oil temperature in hydraulic power units, presses, and injection molding machines to prevent overheating and viscosity degradation.
Lubrication Systems: Ensuring lubricating oil is within the optimal temperature range for circulating oil systems and gearboxes.
Transmission Systems: Temperature protection for gearboxes, compressors, and pumps.
Industrial Machinery: Over-temperature alarm or shutdown for machine tools, cooling systems, and process equipment.
HVAC Systems: Temperature monitoring in heating and cooling circuits.
Mobile Hydraulics: Temperature control in construction machinery and agricultural equipment.
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