Fluke Calibration 5618B-12-B Secondary PRT Probe
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Fluke Calibration 5618B-12-B is a secondary PRT probe with 100Ω nominal resistance at 0°C, operating range -200°C to 500°C, and ±0.1°C drift rate for precision temperature calibration.
Product details
| Model | 5618B-12-B |
| Manufacturer | Fluke Calibration |
| Category | Temperature Probes & Sensors |
| Availability | Made to order |
Description
Overview
The Fluke Calibration 5618B-12-B is a secondary standard platinum resistance thermometer (PRT) probe for precision temperature measurement and calibration. It features a 305 mm (12 inch) length with 3.2 mm (1/8 inch) diameter 316 stainless steel sheath and comes with accredited calibration and ITS-90 coefficients.
Designed for laboratory and industrial calibration applications, this probe provides reliable, stable temperature reference measurements with excellent long-term performance.
Key Features
- 100Ω nominal resistance at 0°C
- Temperature coefficient: 0.003923Ω/Ω/°C nominal
- Operating range: -200°C to 500°C
- Drift rate: ±0.1°C when used periodically to 500°C
- 316 stainless steel sheath for corrosion resistance
- Hysteresis: less than 0.01°C at 0°C
- Time constant: 9 seconds max for 63.2% response
- Thermal EMF: less than 25 mV at 420°C
- 5-pin DIN termination
Included Accessories
- Accredited calibration with ITS-90 coefficients
- R vs. T values in 1°C increments
Specifications
| Resistance at 0°C | 100Ω nominal |
| Temperature Coefficient | 0.003923Ω/Ω/°C nominal |
| Temperature Range | -200°C to 500°C |
| Drift Rate | ±0.1°C when used periodically to 500°C |
| Sheath Material | 316 Stainless Steel |
| Probe Length | 305 mm (12 inches) |
| Probe Diameter | 3.2 mm (1/8 inch) |
| Lead Material | 22 AWG Teflon, 6 feet |
| Termination | 5-pin DIN |
| Hysteresis | Less than 0.01°C at 0°C |
| Time Constant | 9 seconds max for 63.2% |
| Thermal EMF | Less than 25 mV at 420°C |
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Fluke Calibration 5618B-12-B Secondary PRT Probe
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