2014年5月1日 星期四

Fluke 白金電阻溫度探棒 Model 5618B

Fluke 白金電阻溫度探棒 Model 5618B
Fluke Small Diameter Industrial RTD

二級溫度校正用的參考溫度計。
測量溫度範圍:–200°C to 500°C







1.每年最大溫度飄移率正負0.01 度,在
2. 
精度正負0.066  C,在
3. 
採用四線式


Specifications 
Resistance Nominal 100 W at 0 °C 
Temperature Coefficient 0.003923 W/W/ °C nominal 
Temperature Range –200 °C to 500 °C
(–200 °C to 300 °C for 5618B-6-X) 
Drift Rate ± 0.1 °C when used periodically to 500 °C 
Sheath Material 316 SST 
Leads 22 AWG Teflon, 6’ 
Termination Specify 
Hysteresis Less than 0.01 °C at 0 °C when using –196 °C and 420 °C as the end points. 
Time Constant Four seconds maximum for 63.2 % response to step change in water moving
at 3 fps. 
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 
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) 
Calibrated Accuracy (k=2) ± 0.026 °C at –200 °C
± 0.066 °C at 0 °C
± 0.219 °C at 500 °C 
Includes calibration uncertainty and drift specification. 
NVLAP Calibration Uncertainty

Temperature 
Expanded
Uncertainty (k=2) 
–196 °C 
0.024 °C 
–38 °C 
0.011 °C 
0 °C 
0.010 °C 
200 °C 
0.018 °C 
420 °C‡ 
0.029 °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 200706-0 300 °C for 5618B-6

沒有留言:

張貼留言