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Cảm biến nhiệt độ chuẩn thứ 5608/5609 với tùy chọn hiệu chuẩn
Nếu bạn muốn có một cảm biến nhiệt dành cho lĩnh vực hiệu chuẩn ổn định từ (-200 ° C đến 670 ° C) thì lựa chọn cảm biến nhiệt độ chuẩn thứ 5608/5609 là lựa chọn tối ưu. 5608/5609 cho phép bạn có được số đo chính xác chỉ 100 mm tiếp xúc.
  Hãng sản xuất: Fluke

Cảm biến nhiệt ổn định từ -200 ° C đến 670 ° C

  • 5608: -200 ° C đến 500 ° C (80 mm ngâm tối thiểu)
  • 5609: -200 ° C đến 670 ° C (100 mm ngâm tối thiểu)

Specifications

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]
(<5 mK error)
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
Calibration
 
 

Calibration not included; NVLAP-accredited calibration optional, lab code 200348-0. Please see calibration uncertainty table and its explanation of changeable uncertainties.

[1] Includes short-term repeatability and 100 hr drift. Calibration will add additional uncertainties.

[2] Three thermal cycles from min to max temp, includes hysteresis, 95 % confidence (k=2)

[3]After 100 hours at max temp, 95 % confidence (k=2)

[4] Temperatures outside this range will cause irreparable damage. For best performance, transition junction should not be too hot to touch.

[5] Per ASTM E 644

Calibration Uncertainty for optional NVLAP-accredited† calibration

Temperature Expanded Uncertainty (k=2)
–200 °C 0.025 °C
–100 °C 0.025 °C
–40 °C 0.025 °C
0 °C 0.025 °C
156 °C 0.025 °C
230 °C 0.030 °C
420 °C 0.045 °C
660 °C 0.050 °C

Note: Calibration uncertainties depend on the uncertainties of the lab performing the calibration. Subsequent calibrations of this probe performed with different processes, at different facilities, or with changed uncertainty statements may state different uncertainties. †Lab code 200348-0


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