Fluke NetDAQ 2640A, Service Manual

Page: 35 / 260

Introduction and Specification
Specifications
1
1-19
Table 1-25. 2640A Thermocouple Specifications (cont)
Ac
°
C
Thermocouple Resolution 18
°
C to 28
°
C -10
°
C to 60
°
C
90 Day 1 Year 1 Year
Type Temperature
°
C Slow Slow Fast Slow Fast
R 250 to 600 0.1 0.90 1.00 2.10 1.20 2.20
600 to 1500 0.1 0.80 0.90 1.80 1.30 2.00
1500 to 1767 0.1 0.85 0.85 1.90 1.70 2.50
S 250 to 1000 0.1 0.95 1.10 2.30 1.30 2.40
1000 to 1400 0.1 0.80 1.00 1.90 1.40 2.30
1400 to 1767 0.1 1.00 1.30 2.20 1.80 2.80
B 600 to 900 0.2 1.20 1.40 3.10 1.50 3.20
900 to 1200 0.2 0.90 1.00 2.20 1.20 2.40
1200 to 1820 0.1 0.75 1.00 1.90 1.30 2.20
C 0 to 150 0.2 0.80 0.90 1.60 1.00 1.70
150 to 650 0.1 0.65 0.75 1.40 1.00 1.50
650 to 1000 .05 0.65 0.85 1.40 1.20 1.80
1000 to 1800 .05 1.00 1.30 2.10 2.10 2.80
1800 to 2316 .05 1.60 2.10 3.20 3.40 4.60
2640A Frequency Measurement Specifications 1-28.
Tables 1-26 to 1-27 provide 2640A specifications for the frequency measurement
function.
Table 1-26. 2640A Frequency Accuracy Specifications
Frequency Measurement Accuracy, 1 Year, -10
°
C to 60
°
C
Range Resolution Ac (% input + Hz)
Slow Fast Slow Fast
15 Hz to 900 Hz 0.01 Hz 0.1 Hz 0.05%+0.02 Hz 0.05%+0.2 Hz
900 Hz to 9 kHz 0.1 Hz 1 Hz 0.05%+0.1 Hz 0.05%+1 Hz
9 kHz to 90 kHz 1 Hz 10 Hz 0.05%+1 Hz 0.05%+10 Hz
90 kHz to 900 kHz 10 Hz 100 Hz 0.05%+10 Hz 0.05%+100 Hz
1 MHz 100 Hz 1 kHz 0.05%+100 Hz 0.05%+1 kHz