Fluke 5618B Small Diameter Industrial RTD
- Secondary level performance with full ITS-90 calibration.
- Sheath diameter of 3.2mm (0.125 in), ensuring reduced response time without compromising precision.
- NVLAP-accredited calibration from -200°C to 500°C, lab code 200706-0.
- Reduced measurement error in short immersion depth applications by conducting less heat between ambient and the sensor.
- Description
- Additional information
- Specifications
Description
The Fluke 5618B is a high-accuracy, portable PRT (Platinum Resistance Thermometer) specifically designed for demanding temperature calibration applications. It’s a robust and reliable instrument often used as a reference thermometer in calibration laboratories, industrial settings, and metrology applications. Its portability and accuracy make it valuable for on-site calibrations and comparisons.
Key Features:
- High Accuracy: Offers exceptional temperature measurement accuracy, crucial for precise calibration work. Typical accuracy specifications are very tight, often in the millidegree Celsius range.
- Wide Temperature Range: Covers a broad temperature range, allowing for calibration and measurement across a wide spectrum of temperatures. The specific range depends on the probe configuration.
- Rugged and Portable: Designed for field use as well as laboratory work. Its robust construction ensures it can withstand the rigors of transportation and demanding environments.
- Interchangeable PRT Probes: Works with a variety of interchangeable PRT probes, allowing users to select the optimal probe for their specific temperature range and application. This modularity adds flexibility.
- Readout Options: Can be used with compatible readout devices or systems, allowing for data logging, display, and analysis. It’s designed to interface with precision measurement instruments.
- Calibration Certificate: Supplied with a calibration certificate, providing traceability and confidence in the accuracy of the instrument.
Applications:
- Calibration Laboratories: As a reference PRT for calibrating other temperature instruments and sensors.
- Metrology: For high-precision temperature measurements in research and metrology applications.
- Industrial Calibration: On-site calibration of temperature sensors and instruments in various industries.
- Pharmaceutical and Biotech: Temperature calibration in sensitive pharmaceutical and biotech processes.
In summary, the Fluke 5618B is a high-precision, portable PRT designed for professionals who require accurate and reliable temperature measurements for calibration and metrology applications. Its robust design, interchangeable probes, and traceable accuracy make it a valuable tool in various industries.
Additional information
| Brand | Fluke Calibration |
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Specifications: 5618B Small Diameter Industrial RTD
| Specifications | |||||||||||||||||
| Resistance | Nominal 100 Ω at 0 °C | ||||||||||||||||
| Temperature Coefficient |
0.003923 Ω/Ω/ °C nominal | ||||||||||||||||
| Temperature Range |
–200 °C to 500 °C (–200 °C to 300 °C for 5618B-6-X) |
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| Drift Rate | ± 0.1 °C when used periodically to 500 °C | ||||||||||||||||
| Sheath Material | 316 SST | ||||||||||||||||
| Leads | 22 AWG PTFE, 6’ | ||||||||||||||||
| Termination | Specify | ||||||||||||||||
| Hysteresis |
Less than 0.01 °C at 0 °C when using –196 °C and 420 °C as the end points. |
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| Time Constant |
Four seconds maximum for 63.2 % response to step change in water moving at 3 fps. |
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| Thermal EMF | Less than 25 mV at 420 °C | ||||||||||||||||
| Calibration |
Includes manufacturer’s NVLAP-accredited calibration w/ITS-90 coefficients, R vs. T values in 1 °C increments, lab code 200706-0 |
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| Size |
5618B-12: 305 mm L x 3.2 mm dia. (12 x 1/8 in) 5618B-9: 229 mm L x 3.2 mm dia. (9 x 1/8 in) 5618B-6: 152 mm L x 3.2 mm dia. (6 x 1/8 in) |
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| Calibrated Accuracy† (k=2) |
± 0.026 °C at –200 °C ± 0.066 °C at 0 °C ± 0.219 °C at 500 °C |
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| †Includes calibration uncertainty and drift specification. |
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