Secondary PRT with Calibration Options - 5608 and 5609

Fluke Calibration 5608/5609 PRT probes are secondary reference standards for precise and stable temperature measurements.

Manufacturer part number (MPN)

3376776 Brand: Fluke Category: Tools Temperature range: 5608: –200 °C to 500 °C 5609: –200 °C to 670 °C Nominal resistance at 0.01 °C: 100 Ω ± 0.5 Ω Temperature coefficient: 0.0039250 Ω/Ω/°C Relative Accuracy[1]: ± 0.007 °C at –200 °C ± 0.008 °C at 0 °C ± 0.020 °C at 420 °C ± 0.027 °C at 660 °C Short-term repeatability[2]: ± 0.007 °C at 0.010 °C ± 0.013 °C at max temp Drift[3]: ± 0.01 °C at 0.010 °C ± 0.02 °C at max temp Hysteresis: ± 0.01 °C maximum Sensor length: 30 mm ± 5 mm (1.2 in ± 0.2 in) Sensor location: 3 mm ± 1 mm from tip (0.1 in ± 0.1 in) Sheath material: Inconel™ 600 minimum insulation resistance: 5608: 500 MΩ at 23 °C, 20 MΩ at 500 °C 5609: 500 MΩ at 23 °C, 10 MΩ at 670 °C Transition junction temperature range[4]: –50 ºC to 200 °C Transition junction dimensions: 71 mm x 12.5 mm (2.8 in x 0.49 in) minimum immersion length[5] (: 5608: 80 mm (3.1 in) 5609: 100 mm (3.9 in) Maximum immersion length: 305 mm (12 in) Response time[5]: 5608: 9 seconds typical 5609: 12 seconds typical Self heating (in 0 °C bath): 5608: 75 mW/°C 5609: 50 mW/°C Lead-wire cable type: PTFE 24 AWG Lead-wire length: 1.8 m (6 ft) Lead-wire temperature range: –50 °C to 250 °C Temperature: Expanded Uncertainty (k=2) –197 °C: 0.025 °C –80 °C: 0.025 °C –38 °C: 0.025 °C 0.01 °C: 0.025 °C 156 °C: 0.030 °C 231 °C: 0.030 °C 419 °C: 0.035 °C 660 °C: 0.050 °C

HS Code

9031.80

• OEM-URL https://www.fluke.com/en-us/product/calibration-tools/temperature-calibrators/fluke-hart-5608-5609