Fluke
Fluke 2638A
Data Acquisition System / Digital Multimeter
20 canales de entrada analógica (ampliable hasta 40) Número de canales
±0,004% de lectura + 0,0035% de rango Precisión de medición de voltaje DC
-200 °C a +1820 °C (según tipo de termopar) Rango de medición de temperatura
J, K, T, E, R, S, B, N Tipos de termopares compatibles
Hasta 100 lecturas por segundo Velocidad de escaneo

| Atributo | Valor |
|---|---|
| Número de canales | 20 canales de entrada analógica (ampliable hasta 40) |
| Precisión de medición de voltaje DC | ±0,004% de lectura + 0,0035% de rango |
| Rango de medición de temperatura | -200 °C a +1820 °C (según tipo de termopar) |
| Tipos de termopares compatibles | J, K, T, E, R, S, B, N |
| Velocidad de escaneo | Hasta 100 lecturas por segundo |
| Interfaz de comunicación | Ethernet, USB, RS-232 |
| Almacenamiento interno de datos | Hasta 1.000.000 de lecturas internas |
| Pantalla | Pantalla LCD gráfica retroiluminada |
| Alimentación eléctrica | 100 V AC a 240 V AC, 50/60 Hz |
| Rango de temperatura de operación | 0 °C a 50 °C |
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




