Description
Fluke 2638A Hydra Series III Data Acquisition Unit, 22 Channel
The 2638A incorporates the Universal Input Connector to bring more accuracy to thermocouple measurements than most other instruments in its class. The Universal Input Connector supports 14 common thermocouple types. Temperature-focused menu selections make the 2638A especially suitable for temperature validation applications. If you need to “zero” a large number of thermocouples to a known reference temperature before starting a temperature profiling or validation test, the 2638A will normalize all readings to your reference channel at the push of a button and store the offsets for reference in a supporting data file. If you are conducting chamber tests, heat treating tests under AMS guidelines, or validating temperature devices under 21 CFR regulations, Hydra Series III makes it that much easier to comply.
The Universal Input Connector plugs into any open slot in the 2638A that contains a relay card. The Universal Input Connector has 22 input channels (20 universal inputs and 2 dedicated, low-burden input current channels). Each input connector contains a CJC (cold-junction compensation) device, which is calibrated at the factory. The calibration date and input connector serial number are programmed into the input connector and are read by the 2638A when installed. This information is saved in the test setup data file, which is available for review with any associated scan data from a test setup.
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 II input safety rated
- 100 to 264 Vac in 4 power model selections; 47 to 440 Hz operation
- Weight: 6 kg (13.2 lbs); Size: 150 mm (5.91 in)H x 285 mm (11.2 in)W x 385 mm (15.16 in)D
Please see Datasheet for complete details and specifications.
Datasheets
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