Armoured Thermal Resistor
Product Overview
Section titled “Product Overview”The armoured thermal resistor is normally used together with display instruments, recording instruments and electronic computers. It directly measures the temperatures of liquid, steam and gas media and solid surfaces in production processes, with a measurement range of -200 to 500°C. It measures temperature by using the characteristic that a material’s electrical resistance changes with temperature; the working instrument indicates the temperature corresponding to the resistance value.
Applications
Section titled “Applications”- Temperature measurement of liquid, steam and gas media in production processes.
- Solid surface temperature measurement.
- Temperature-measurement applications used with display, recording or electronic computer systems.
Product Advantages
Section titled “Product Advantages”- Short thermal response time to reduce dynamic errors.
- Small diameter, unrestricted length and bendable mounting for use.
- High measurement accuracy.
- Imported thin-film resistance element; reliable and stable performance.
- Junction box protection level available in IP65 and IP66.
Installation Methods
Section titled “Installation Methods”- Available with no fixed installation, fixed thread, adjustable ferrule thread, fixed flange and adjustable ferrule flange.
- A contact block additional device (M) or hoop additional device (G) is available. Provide pipe-wall or furnace-wall diameter R for selection.
- Single, double or three-element construction is available.
Key Parameters
Section titled “Key Parameters”Applicable Standards
Section titled “Applicable Standards”| Item | Standard |
|---|---|
| Applicable standards | IEC60751, GB/T30121 |
Element Construction and Sleeve Material
Section titled “Element Construction and Sleeve Material”| Element quantity | Sleeve diameter | Sleeve material |
|---|---|---|
| Single element | Φ3, Φ4, Φ5, Φ6, Φ8 mm | 06Cr19Ni10, 022Cr17Ni12Mo2, 06Cr18Ni11Ti |
| Double element | Φ3, Φ4, Φ5, Φ6, Φ8 mm | 06Cr19Ni10, 022Cr17Ni12Mo2, 06Cr18Ni11Ti |
| Three elements | Φ6, Φ8 mm | 06Cr19Ni10, 022Cr17Ni12Mo2, 06Cr18Ni11Ti |
Pt100 Permissible Deviation
Section titled “Pt100 Permissible Deviation”| Graduation | Tolerance class | Effective temperature range | Permissible deviation |
|---|---|---|---|
| Pt100 | AA | -200 to 500°C | ±(0.10+0.0017｜t｜) |
| Pt100 | A | -150 to 450°C | ±(0.15+0.002｜t｜) |
| Pt100 | B | -196 to 600°C | ±(0.30+0.005｜t｜) |
Thermal Response Time
Section titled “Thermal Response Time”| Sleeve diameter | Thermal response time |
|---|---|
| Φ3 mm | ≤3 s |
| Φ4 mm | ≤5 s |
| Φ5 mm | ≤8 s |
| Φ6 mm | ≤12 s |
| Φ8 mm | ≤15 s |
Optional Configurations
Section titled “Optional Configurations”| Item | Options |
|---|---|
| Temperature-sensing element | Pt100, Cu50/Cu100 |
| Junction box | Waterproof type, round plug-in type, flat plug-in type, compensating conductor type, temperature-sensing element |
| Additional installation form | Contact block type (M), hoop type (G) |
Main Models
Section titled “Main Models”- WZPK-010, WZPK-185
- WZPK-235, WZPK-275, WZPK-295
- WZPK-335, WZPK-365, WZPK-435, WZPK-535
Information Required for Inquiry
Section titled “Information Required for Inquiry”- Required model, graduation, tolerance class and element quantity.
- Measured medium, operating temperature range, pressure and site vibration conditions.
- Fixed installation form, protective-tube material/diameter, length L and insertion depth I.
- Whether a contact block or hoop additional device is required; if so, provide pipe-wall or furnace-wall diameter R.
- Required junction box form and quantity.
Related Products
Section titled “Related Products”- Display instruments, recording instruments and electronic computers: armoured thermal resistors are normally used with these products.