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Fluke 2625A
Fluke 2625A Hydra Data Logger
Our Price: $1,195.00

Looking for an inexpensive data logger for your application? Check out the Fluke 2625A Hydra Data Logger/ Data Acquisition unit and it's built-in non-volatile recording capability. With this feature,it makes data capture and offline storage extremely flexible and convenient. The memory holds 2047 sets of readings on each of the 21 analog input, 12 digital I/O, and totalizer channels - enough to hold one scan per minute for more than 24 hours. The Hydra Data Logger is great for recording data whether you're checking data during environmental stress screening, thermal testing, design testing, and other applications that require data logger with up to twenty analog measurement channels.

Features of the Fluke 2625A DataLogger include:

  • Channel Scanning: can be continuous scanning, scanning at an interval time, single scans, or triggered (internal or external) scans
  • Channel Monitoring: make measurements on a single channel and view these measurements on the display
  • Channel Scanning and Monitoring: view measurements made for the monitor channel while scanning of all active channels continues
  • Multi-Function Display: Left (numeric) display shows measurement readings; also used when setting numeric parameters; Right (alphanumeric) display used for numeric entries, channel number selection and display, status information, and operator prompts
  • Front-Panel Operation
  • Measurement Input Function and Range:
    Volts dc (Vdc), dc voltage ranges 300 mV, 3 V, 30 V, 300 V
    Volts ac (Vac), ac voltage ranges 300 mV, 3 V, 30 V, 300 V
    Frequency (Hz), 15 Hz to 1 MHz
    Resistance (O), resistance ranges: 300 O, 3 kO, 30 kO, 300 kO, 3 MO, 10 MO
  • Temperature Measurement: Thermocouple types J, K, E, T, N, R, S, and B, and Hoskins Engineering Co. type C are supported. Also, DIN/IEC 751 Platinum RTDs are supported
  • Totalize Events on the Totalizing Input
  • Alarm Limits and Digital Output Alarm Indication
  • 4-Terminal Resistance Measurements (Channels 1 through 10 only)
  • RS-232 Computer Interface Operation
  • Measurement Rate Selection
  • Nonvolatile Memory: Storage of minimum, maximum, and most recent measurements for all scanned channels. Storage of Computer Interface setup, channel configurations, and calibration values. Storage of measurement data: storage for 2047 scans of up to 21 channels, representing up to 42,987 readings
  • RS-232 interface
  • 90 to 264 Vac, 50 or 60 Hz operation; or 9.0 to 16 Vdc
  • Weight: 7 lb; Size: 93 mm (3.67 in)H x 216 mm (8.5 in)W x 312 mm (12.3 in)D
Fluke 2638A
Fluke 2638A/05 Hydra Series III 22-Channel Data Acquisition System
Our Price: $2,599.00


  • 20 universal inputs, 2 dedicated current channels that do not need shunt resistor
  • Non-expandable version. No additional channel expansion possible
  • DC accuracy of 0.0024 %
  • Thermocouple accuracy of 0.5 °C
  • 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
  • Supported by TQSoft and TQAero thermal validation software for FDA 21 CFR Part 11
  • AMS 2750 compliant data collection

echnical Specifications
DC voltsRange100 MV to 300 V
Resolution0.1 µV to 1 mV
AC voltsRange100 MV to 300 V
Resolution0.1 µV to 1 mV
ResistanceRange100 Ω to 100 MΩV
Resolution0.1 mΩ to 100 Ω
FrequencyRange20 Hz to 1 MHz
RTD (Pt 100)Range-200°C
J thermocouplesRange-200°C to 1,000°C
K thermocouplesRange-200°C to 1,000°C
T thermocouplesRange-270°C to 400°C
Other thermocouple typesR, S, N, E, B, C, D, G, L, M, U, W
General Specifications
Channel capacityAnalog inputs22 channels; 8 digital I/O and 6 alarm outputs (TTL)
PowerVoltage100 V to 264 A in 4 power model selections (100 V, 120 V, 220 V, 240 V)
Frequency47 Hz to 440 Hz (automatically sensed when turned on)
Power consumption34 V A peak (24 W average)
CommunicationLAN10/100 Mb TCPIP DHCP
Remote commandsSCPI command set
Internal memory57,000 scans 1000 setup files
File securityDual level, Administrator, five secure users, Guest status
Alarm outputs6 TTL alarm outputs -- assignable to one or multiple channels
Alarm setpoints2 assignable setpoints/channel, Hi Lo, Hi Hi, Lo Lo
Language menusEnglish, Chinese, French, German, Japanese, Korean, Portuguese, Russian, Spanish
TemperatureOperating0°C to 50°C
Storage20°C to 70°C
Warm-upOne hour to full uncertainty specifications
Relative humidity (non-condensing)Operating0°C to 28°C < 90%, 28°C to 40°C < 75%, 40°C to 50°C < 50%
Storage20°C to 70°C <95%
Weight6 kg (13.2 lbs)
Dimensions150 x 285 x 385 mm (5.91 x 11.22 x 15.16 in)
Standard rack height3 U
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