Milwaukee DL-100
Black Box Data Logger
See: DL122

  • Large LCD readout
  • Snapshot feature takes “real-time” reading, with user-defined values for how often sample values are taken
  • Can be used as a stand-alone pH tester & logger, or as a pass-through logger with your current setup
  • Automatic Defective Probe Detection
  • Automatic and manual calibration, menu-driven, with 1-point, 2-point, or 3-point calibration for any probe with a BNC connector
  • Utilizes any capacity SD card; full (standard), mini and micro with adapters
  • Logger connects between any manufacturer’s probe and meter, monitor, or controller that uses standard BNC probe connector.
  • Also available as a wifi unit (#DL-100-WF) utilizing the new Texas Instruments CC3100 SimpleLink Wi-Fi Network Processor technology.
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Milwaukee DL-100 Shown
Product Information
Datasheet 0 KB PDF
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A single pH reading is a real-time snapshot. That’s helpful, but it’s no guarantee that your pH stays within an acceptable range over time. For that, you’ll need a pH data logger, a device designed to record pH readings at predetermined intervals. A data logger takes continual readings over a period of time to help you pinpoint and document the source of any pH-related problems, allowing you to make the adjustments needed to bring your pH back into balance. Never make the same pH mistake twice. A troubleshooting tool all pH people will love. Milwaukee’s new DL-100 Black Box is about to bring pH data logging into the reach of anyone who monitors and controls pH. Its comprehensive design offers the log capacity, accuracy, ease of operation, and advanced options once found only in bench models costing 10 times more.

With its high performance, low power Amtel AVR 8-Bit microcontroller with Advanced RISC architecture, it can be used as a stand-alone unit with a typical BNC probe connector, or as a pass-through by connecting it to both the probe and then to your own measuring device using the supplied jumper cable. With its automated pH data collection and the ability to log over 250 million separate entries (this number may vary, depending on the SD card used), the Black Box is the new must have for anyone who needs continuous logging capabilities. The software management package, which is completely free, is the perfect compliment for your computer, allowing you to easily create charts, graphs, or interpret the data that has been collected, as well as see real-time data as it is being logged.

Large LCD readout that features a high resolution white text on a blue background, making it easy to read even in bright lighting. The screen shows what the last log data collected was: pH value, date, time, and the current pH reading.
DL-100 Specifications
Microcontroller ATmega2560
Operating Voltage 5V
Input Voltage (recommended) 7-12V
Input Voltage (limits) 6-20
Clock Speed 16 MHz @ 4.5V - 5.5V
Temperature Range -40C to 85C
Data Retention 100 years at 25C
SD card interface FAT16 or FAT32 formatted cards
Real time clock (RTC) Replaceable battery backup
Ordering Information
Model Description Buy Online Price
DL-100 Milwaukee DL-100 Black Box pH Data Logger Discontinued
See: DL122
Included Accessories
  • 1 - Jumper Cable
  • 1 - Power Cord