Fluke NetDAQ 2640A, Service Manual

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Introduction and Specification
Introduction
1
1-5
Table 1-2. Summary of 2640A/2645A Measurement Capabilities (cont)
Capability 2640A 2645A
Temperature Measurements
(Thermocouple) [2]
Thermocouples:
J K R S E
T B C N
Thermocouples:
J K R S E
T B C N
Temperature Measurements
(RTD) (Two-wire)
RTD R0: 10 to 1010 (None)
Temperature Measurements
(RTD) (Four-wire)
RTD R0: 10 to 1010 RTD R0: 10 to 1010
Frequency Measurements [3] Ranges: Autorange Ranges: Autorange
Amperes DC Measurements [4] Ranges: 4 to 20 mA
0 to 100 mA
Ranges: 4 to 20 mA
0 to 100 mA
[1] 300V range available only on channels 1 and 11.
[2] Open thermocouple detection is supported on a per-channel basis.
[3] Minimum frequency is 20 Hz. Signal strength must be at least 50 mV ac rms.
[4] Shunt resistor required (enter value; default is 10 ohms). The 4 to 20 mA scale displayed as
0% (4 mA) to 100% (20 mA).
Table 1-3. Summary of 2640A/2645A Features
Feature Description
Analog Channels 20 (channels 1 to 20)
Computed Channels 10 (channels 21 to 30)
Alarm Limits Two per channel
Mx+B Scaling Any configured channel (1 to 30)
Scan Triggering Interval/External/Alarm Trigger
Channel Monitoring Any configured channel, scanning or not scanning
Setup and Operation Via host computer
Communications Ports Ethernet 10BASE2 and 10BASE-T
Primary Power AC - 107 to 264V ac, 50/60 Hz
DC - 9 to 16V dc
Nonvolatile Memory (unaffected by cycling
instrument power) Instrument parameters: Base Channel Number,
Line Frequency, Network Type, Socket Port, IP
Address, Baud Rate. (See Chapter 2.)
Permanent Data Storage Via host computer
Real-Time Trend Plotting Via host computer