Fluke
Fluke 2638A
Data Acquisition System / Digital Multimeter
Up to 40 differential or 80 single-ended channels Number of Channels
±0.004% of reading DC Voltage Accuracy
300 V RMS (channel to earth ground) Maximum Input Voltage
Up to 100 readings per second Measurement Rate
Supports thermocouples (Types J, K, T, E, R, S, B, N), RTDs, and thermistors Temperature Measurement
| Attribute | Value |
|---|---|
| Number of Channels | Up to 40 differential or 80 single-ended channels |
| DC Voltage Accuracy | ±0.004% of reading |
| Maximum Input Voltage | 300 V RMS (channel to earth ground) |
| Measurement Rate | Up to 100 readings per second |
| Temperature Measurement | Supports thermocouples (Types J, K, T, E, R, S, B, N), RTDs, and thermistors |
| Communication Interface | USB, Ethernet (LAN), and GPIB (optional) |
| Display | Built-in web browser-based interface; compatible with PC via Fluke DAQ software |
| Operating Temperature | 0°C to 50°C (32°F to 122°F) |
| Power Requirements | 100–240 VAC, 50/60 Hz |
| Compliance & Standards | CE marked; meets IEC 61010-1, CAT I 300V safety standards |
Fluke 2638A Options:
- 2638A - /60 - Data Acquisition Unit/Data Logger: 60 universal channels, includes three relay boards (2638A-RLY) and three (2638A-100) connectors
- 2638A - /40 - Data Acquisition Unit/Data Logger: 40 universal channels, includes two relay boards (2638A-RLY) and two (2638A-100) connectors
- 2638A - /20 - Data Acquisition Unit/Data Logger: 20 universal channels, includes one relay board (2638A-RLY) and one (2638A-100) connector
- 2638A - /C - Accredited Calibration Certificate 17025
- 2638A - 20chkit - 20-Channel Expansion Kit for 2638A (includes one relay board (2638A-RLY) and one (2638A-100) connector)
- 2638A - 100 - Extra Universal Input Module for 2638A
- 2638A - RLY - Extra Relay Board for 2638A (Replacement)
- 2638A - 101 - 10 Ohm Shunt Resistors (Quantity 10 each) 100 mA max, 0.05 %
- 2638A - 1GB - 1 GB USB Flash Memory
- 2638A - /CASE - 2638A Transit Case
- 2638A - LV - LabView Driver for 2638A
- 2680A - APSW - Fluke DAQ 6.0 Application Software for 2638A, 2680A, NetDAQ Networked Data Acquisition Unit
- 2680A - 904 - Trend Link for Fluke Data Acquisition Products (requires 2680A-APSW)
- Y2638 - 19-Inch Rackmount, Single/Dual Mounting, 2638A
| Model | 2638A |
|---|
FLUKE 2638A DATA ACQUISITION SYSTEM / DIGITAL MULTIMETER
The Fluke 2638A, with its superior DC measurement accuracy, industry-leading thermocouple accuracy, full-color display, easy-to-use menu system, and industrial safety ratings, adds a new dimension to how data is collected and viewed in a portable system, and also puts the Fluke 2638A in a category all its own.
Features and Specifications of the Fluke 2638A Data Acquisition System / Digital Multimeter include:
Features:
- DC accuracy of 0.0024%
- Thermocouple accuracy of 0.5 °C
- Up to 66 universal differential isolated inputs
- On-screen color trend graphing of up to four channels at a time
- Easy-to-use menu system for setup and data management
- Input types: ac V, dc V, ac I, dc I, thermocouple, PRT (2,3,4 w), thermistor, resistance (2-4 w), frequency
- Multi-channel real-time data display
- 6.5-digit bench DMM function for front-panel inputs
- Monitor function for real-time viewing and charting between scans
- 20 on-board math channels
- One-button screen capture of chart or data displays
- 45 channels/second basic dc scan rate
- Internal 57,000 scan/setup file memory
- USB flash drive support
- Data security features
- 300 V CAT ll input safety rated
Specifications:
- Technical Specifications:
- DC Volts:
- Range: 100 MV to 300 V
- Resolution: 0.1 µV to 1 mV
- Accuracy: 0.0024%
- AC Volts:
- Range: 100 MV to 300 V
- Resolution: 0.1 µV to 1 mV
- Accuracy: 0.11%
- Resistance:
- Range: 100 Ω to 100 MΩ
- Resolution: 0.1 mΩ to 100 Ω
- Accuracy: 0.01%
- Frequency:
- Range: 20 Hz to 1 MHz
- Accuracy: 0.01%
- RTD (Pt 100):
- Range: -200 ºC
- Resolution: 0.001 ºC
- Accuracy: 0.016 ºC
- J Thermocouples:
- Range: -200 ºC to 1,000 ºC
- Resolution: 0.01 ºC
- Accuracy: 0.53 ºC
- K Thermocouples:
- Range: -200 ºC to 1,000 ºC
- Resolution: 0.01 ºC
- Accuracy: 0.60 ºC
- Accuracy: 0.016 ºC
- T Thermocouples:
- Range: XXXXXXXXXX
- Resolution: 0.01 ºC
- Accuracy: 0.62 ºC
- Other Thermocouple types: R, S, N, E, B, C, D, G, L, M, U, W
- General Specifications:
- Channel Capacity:
- Analog inputs:
- 22 to 66 channels
- 8 Digital I/O
- 6 Alarm Outputs (TTL)
- Totalizer: 1
- Power:
- Voltage: 100V to 264A in 4 power model selections (100V, 120V, 220V, 240V)
- Frequency: 47Hz to 440Hz (automatically sensed when turned on)
- Power consumption: 34VApeak (24W average)
- Communication:
- LAN: 10/100 Mb TCPIP DHCP
- Remote commands: SCPI command set
- Internal memory:
- 57,000 scans
- 1000 setup files
- File security:
- Dual level, Administrator, five secure users, Guest status
- Alarm outputs: 6 TTL alarm outputs - assignable to one or multiple channels
- Alarm setpoints: 2 assignable setpoints/channel, Hi Lo, Hi Hi, Lo Lo
