Datasheet

10 Fluke Corporation 2638A Hydra Series III Data Acquisition System/Digital Multimeter
Resistance input characteristics
Range Resolution
Measurement Rate / Resolution
Source
current
Fast
4.5 digits
Medium
5.5 digits
Slow
6.5 digits
100 Ω 100.0000 Ω 10 mΩ 1 mΩ 0.1 mΩ 1 mA / 4 V
1 kΩ 1.000000 kΩ 100 mΩ 10 mΩ 1 mΩ 1 mA / 4 V
10 kΩ 10.00000 kΩ 1 Ω 100 mΩ 10 mΩ 100 µA / 6 V
100 kΩ 100.0000 kΩ 10 Ω 1 Ω 100 mΩ
100 µA /
12 V
1 MΩ 1.000000 MΩ 100 Ω 10 Ω 1 Ω 10 µA / 12 V
10 MΩ 10.00000 MΩ 1 kΩ 100 Ω 10 Ω 1 µA / 12 V
100 MΩ 100.0000 MΩ 10 kΩ 1 kΩ 100 Ω 0.1 µA / 12 V
Resistance accuracy
Accuracy is given as ± (% measurement + % of range).
Range
24 hour
(23 ±1 °C)
90 days
(23 ±5 °C)
1 year
(23 ±5 °C)
T.C./ °C outside
18 °C to 28 °C
100 Ω 0.003 + 0.003 0.008 + 0.004 0.01 + 0.004 0.0006 + 0.0005
1 kΩ 0.002 + 0.0005 0.008 + 0.001 0.01 + 0.001 0.0006 + 0.0001
10 kΩ 0.002 + 0.0005 0.008 + 0.001 0.01 + 0.001 0.0006 + 0.0001
100 kΩ 0.002 + 0.0005 0.008 + 0.001 0.01 + 0.001 0.0006 + 0.0001
1 MΩ 0.002 + 0.001 0.008 + 0.001 0.01 + 0.001 0.001 + 0.0002
10 MΩ 0.015 + 0.001 0.02 + 0.001 0.04 + 0.001 0.003 + 0.0004
100 MΩ 0.3 + 0.01 0.8 + 0.01 0.8 + 0.01 0.15 + 0.002
RTD temperature accuracy (4 wire)
Temperature Accuracy
Fast sample rate
(NPLC < 10)
T.C./ °C outside
18 °C to 28 °C
-200 °C 0.015 °C add 0.02 °C 0.0021 °C
0 °C 0.02 °C add 0.02 °C 0.0023 °C
300 °C 0.04 °C add 0.02 °C 0.0028 °C
600 °C 0.06 °C add 0.02 °C 0.0033 °C
Thermistor temperature accuracy (4 wire)
Temperature
Accuracy 2.2 kΩ
thermistor
Accuracy 5 kΩ
thermistor
Accuracy 10 kΩ
thermistor
-40 °C 0.002 °C 0.003 °C 0.003 °C
0 °C 0.004 °C 0.003 °C 0.003 °C
25 °C 0.01 °C 0.005 °C 0.005 °C
50 °C 0.012 °C 0.007 °C 0.009 °C
100 °C 0.08 °C 0.035 °C 0.017 °C
150 °C 0.35 °C 0.15 °C 0.06 °C
Frequency
Range Frequency
24 hour
(23 ±1 °C)
90 days
(23 ±5 °C)
1 year
(23 ±5 °C)
T.C./ °C outside
18 °C to 28 °C
100 mV
to 300 V
20 Hz to 40 Hz 0.03 0.03 0.03 0.001
40 Hz to 1 MHz 0.006 0.01 0.01 0.001
General specifications
Voltage
100 V to 264 V in 4 power
model selections (100 V, 120 V,
220 V, 240 V)
Frequency
47 Hz to 440 Hz (automatically
sensed when turned on)
Power
consumption
36 V A peak (24 W average)
LAN 10/100 Mb TCPIP DHC
Remote
commands
SCPI command set
Internal memory
75,000 scans
1,000 setup files
File security
Dual level, Administrator, four
secure users, Guest status
Alarm outputs
6 TTL alarm outputs—assignable
to one or multiple channels
Alarm setpoints
2 assignable alarm setpoints/
channel , Hi Lo, Hi Hi, Lo Lo
Language menus
English, Chinese, French,
German, Japanese, Korean, Por-
tuguese, Russian and Spanish
Temperature
(operating)
0 °C to 50 °C
Temperature
(storage)
20 °C to 70 °C
Temperature
(warm-up)
One hour to full uncertainty
specifications
Relative humidity
(non-condensing)
operating
0 °C to 28 °C <90 %
28 °C to 40 °C <75 %
40 °C to 50 °C <50 %
Relative humidity
(non-condensing)
storage
20 °C to 70 °C <95 %
Weight 6 kg (13.2 lbs)
Dimensions
150 mm x 285 mm x 385 mm
(5.91 in x 11.22 in x 15.16 in
Standard rack
height
3 U