PT100 / PT1000 RTD Temperature Sensor
PT100 RTD Temperature Sensor is a platinum resistance temperature sensor designed for accurate and stable temperature measurement in industrial equipment, process systems and temperature control applications. PT100 uses a nominal resistance of 100Ω at 0°C, while PT1000 uses 1000Ω at 0°C.
EaseWise supplies PT100 RTD Temperature Sensor and PT1000 configurations with SS304 probes, 2-wire, 3-wire and 4-wire wiring, multiple cable materials, probe diameters, lengths, threads and connectors. Standard stock is available, with OEM customization for special requirements.
PT100 RTD Temperature Sensor Configurations
Standard RTD Probe with Fiberglass Cable

The straight probe design is suitable for direct temperature measurement in equipment, tanks, ovens and process systems. Fiberglass cable is available for applications requiring higher cable-side temperature resistance.
Threaded PT100 / PT1000 Temperature Probe

Threaded versions provide a secure installation for tanks, pipelines, heating equipment and temperature control systems. Metric, BSPP and NPT thread options are available.
4-Wire RTD Temperature Sensor

4-wire PT100 and PT1000 configurations minimize the influence of lead resistance and are suitable for laboratory, calibration and higher-accuracy measurement systems.
Flexible Mineral Insulated RTD Probe

Flexible sheathed RTD probes can be bent to suit restricted installation spaces and are suitable for applications where a rigid probe is difficult to install.
Standard Stock PT100 / PT1000 RTD Temperature Sensors
PT100 Stock Sizes
| RTD Type | Probe Size | Material | Wiring | Cable | Cable Length | Thread | Connector | Accuracy |
|---|---|---|---|---|---|---|---|---|
| PT100 | Φ6 × 50 mm | SS304 | 3-wire | PVC | 2 m | No Thread | Bare Wire | Class B |
| PT100 | Φ6 × 100 mm | SS304 | 3-wire | Silicone | 2 m | No Thread | Bare Wire | Class B |
| PT100 | Φ6 × 50 mm | SS304 | 3-wire | PVC | 2 m | G1/4″ | Bare Wire | Class B |
PT1000 Stock Sizes
| RTD Type | Probe Size | Material | Wiring | Cable | Cable Length | Thread | Connector | Accuracy |
|---|---|---|---|---|---|---|---|---|
| PT1000 | Φ6 × 50 mm | SS304 | 3-wire | PVC | 2 m | No Thread | Bare Wire | Class B |
| PT1000 | Φ6 × 100 mm | SS304 | 3-wire | Silicone | 2 m | No Thread | Bare Wire | Class B |
Standard stock MOQ: 10 pcs. Other probe diameters, lengths, threads, wiring configurations, cable materials and connectors are available for custom orders.
Stock SKU Examples
| SKU | Configuration |
|---|---|
| TZ-RTD-PT100-6-50-PVC-2M-3W-NOTHR-BW | PT100, Φ6 × 50 mm, SS304, PVC 2 m, 3-wire, no thread, bare wire |
| TZ-RTD-PT100-6-100-SIL-2M-3W-NOTHR-BW | PT100, Φ6 × 100 mm, SS304, silicone 2 m, 3-wire, no thread, bare wire |
| TZ-RTD-PT100-6-50-PVC-2M-3W-G14-BW | PT100, Φ6 × 50 mm, SS304, PVC 2 m, 3-wire, G1/4 thread, bare wire |
| TZ-RTD-PT1000-6-50-PVC-2M-3W-NOTHR-BW | PT1000, Φ6 × 50 mm, SS304, PVC 2 m, 3-wire, no thread, bare wire |
| TZ-RTD-PT1000-6-100-SIL-2M-3W-NOTHR-BW | PT1000, Φ6 × 100 mm, SS304, silicone 2 m, 3-wire, no thread, bare wire |
PT100 RTD Temperature Sensor Options
- Sensor Element: PT100 or PT1000 platinum RTD
- Accuracy: Class B stock; Class A and 1/3B (AA) available for custom orders
- Probe Diameter: Φ3, Φ4, Φ5, Φ6 and Φ8 mm
- Probe Length: 30, 50, 100, 150 and 200 mm standard options; custom lengths available
- Probe Material: SS304 stock; SS316 / SS316L custom
- Wiring: 2-wire, 3-wire and 4-wire
- Insulation: Shielded or unshielded
PT100 RTD Temperature Sensor Cable Options
| Cable Material | Typical Temperature Range | Recommended Applications |
|---|---|---|
| PVC | -20°C to +105°C | General industrial applications and standard stock |
| Silicone | -60°C to +180°C | Flexible installation and higher cable-side temperatures |
| PTFE / Teflon | -60°C to +200°C | Chemical resistance and demanding environments |
| Fiberglass | -60°C to +400°C | Higher-temperature applications |
All cable types can be supplied with shielded or unshielded construction. The allowable operating temperature of a complete RTD assembly depends on the probe, cable, sealing and installation configuration.
Probe and Mounting Options
- Fixed Probe: Simple straight probe for direct insertion and general temperature measurement.
- Adjustable Compression Fitting: Allows installation depth adjustment and secure positioning.
- Spring-Loaded: Suitable for surface or solid measurement where continuous contact is required. Custom MOQ typically starts from 100 pcs.
- Flange Mount: Designed for tanks and industrial equipment. Custom MOQ typically starts from 150 pcs.
Threaded PT100 / PT1000 Temperature Probe Options
| Thread Type | Available Threads | Typical Use |
|---|---|---|
| Metric | M6 × 1, M8 × 1.25, M10 × 1.0, M12 × 1.5 | Industrial machinery and equipment |
| BSPP | G1/8, G1/4, G1/2 | Industrial equipment, tanks and process systems |
| NPT | NPT1/4 | North American equipment and custom installations |
| No Thread | Straight probe | General insertion and custom mounting |
RTD Connector Options
- Bare Wire: Standard stock configuration for flexible field wiring.
- JST-XH 2.54: Compact connector option for electronic assemblies.
- M12 4-Pin: Industrial connector for equipment and control systems.
- GX12 Aviation Connector: Secure connector option for custom industrial assemblies.
PT100 / PT1000 Technical Specifications
| Specification | PT100 | PT1000 |
|---|---|---|
| Sensor Element | Platinum RTD | Platinum RTD |
| Resistance at 0°C | 100 Ω | 1000 Ω |
| Nominal Alpha | 0.003851 /°C | 0.003851 /°C |
| Standard | IEC 60751 | |
| Accuracy | Class B stock; Class A / 1/3B custom | |
| Sensor / Probe Range | Up to approximately -200°C to +500°C depending on construction | |
| Probe Diameter | Φ3 / Φ4 / Φ5 / Φ6 / Φ8 mm | |
| Probe Material | SS304 stock; SS316 / SS316L custom | |
| Wiring | 2-wire / 3-wire / 4-wire | |
| Response Time t0.5 | Approximately 3–12 seconds depending on probe construction | |
| Protection | IP65–IP67 depending on sealing and cable construction | |
For the complete standard reference for industrial platinum resistance thermometers and platinum temperature sensors, see the IEC 60751:2022 standard.
PT100 / PT1000 RTD Sensor Features
- Stable platinum resistance sensing technology
- PT100 and PT1000 elements available
- SS304 stainless steel probe for standard applications
- SS316 / SS316L available for custom orders
- 2-wire, 3-wire and 4-wire configurations
- Multiple cable materials and cable lengths
- Metric, BSPP and NPT thread options
- Waterproof probe construction available
- Multiple industrial connector options
- OEM dimensions, wiring, accuracy and packaging available
PT100 / PT1000 Wiring Options
2-Wire RTD
Simple and economical wiring for general temperature measurement. Lead resistance can influence measurement accuracy, especially with longer cables.
3-Wire RTD
3-wire wiring is the standard stock configuration and provides improved compensation for lead resistance in industrial temperature measurement systems.
4-Wire RTD
4-wire wiring provides the highest measurement accuracy by minimizing the influence of lead resistance and is recommended for laboratory and precision measurement applications.
PT100 and PT1000 sensors provide an analog resistance signal and require an appropriate RTD input module, transmitter, temperature controller or data acquisition system. PT100 typically uses an excitation current of approximately 0.3–1 mA, while PT1000 commonly uses approximately 0.1–0.3 mA to reduce self-heating effects.
PT100 / PT1000 RTD Sensor Applications
- HVAC and refrigeration equipment
- Water tanks, boilers and solar water heaters
- Food and beverage processing equipment
- Fermentation and brewing systems
- Industrial ovens and drying equipment
- Chemical pipelines and liquid temperature measurement
- Laboratory and precision temperature measurement
- Environmental test chambers
- Machine and equipment surface temperature measurement
- Industrial temperature controllers and data loggers
PT100 / PT1000 OEM & Customization
EaseWise supports OEM and custom PT100 / PT1000 RTD temperature sensor requirements. We can adjust the sensor construction according to your installation space, controller input, temperature range and connection requirements.
- Probe diameter: Φ3–8 mm or custom
- Probe length: standard or custom
- Cable length: 1 m / 2 m / 3 m / 5 m or custom
- Cable material: PVC / Silicone / PTFE / Fiberglass
- Thread: Metric / BSP / NPT / compression fitting
- Connector: Bare Wire / JST-XH / M12 / GX12 aviation
- Wiring: 2-wire / 3-wire / 4-wire
- Probe material: SS304 / SS316 / SS316L
- Accuracy: Class B / Class A / 1/3B
- Shielded or unshielded cable
- OEM laser marking, logo and custom packaging
Typical MOQ: Standard stock 10 pcs. Custom accuracy, 4-wire construction, SS316, special threads, spring-loaded and flange-mounted versions generally require 100–200 pcs depending on configuration.
Related Temperature Sensors
If you need a digital temperature sensor instead of an analog RTD, see our DS18B20 Temperature Sensor. For thermocouple-based temperature measurement, see our Sheathed Thermocouple options.
Need a PT100 or PT1000 Temperature Sensor?
Send us your required probe diameter, probe length, cable material, cable length, wiring, thread and connector. EaseWise can recommend a suitable PT100 or PT1000 configuration for your application.
Contact EaseWise
Amy
WhatsApp / Tel: +86 18883188154
Email: amy-easewise@tzheater.com
Hanna
WhatsApp / Tel: +86 17351636811
Email: hanna-easewise@tzheater.com
Contact us for stock availability, OEM pricing and custom RTD sensor specifications.
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