Check Box M 1-5 Chart Recorders

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Easy operation

  • 3.5" colour display with touch panel
  • Internally rechargeable Li-Ion battery, approximately 8 hours of continuous operation
  • Versatile

  • Up to 4 sensors/meters can be connected
  • Including third party sensors/counters
  • including power supply
  • Reliable

  • Stores all measured values on a memory card
  • Easy data transfer via USB stick possible
  • Intelligent energy analysis

  • Daily/weekly/monthly evaluations, mathematical functions for internal calculations e.g., the typical key figures of a compressed air system
  • Costs in local currency per generated cubic meter of air
  • kWh/cubic meter generated air
  • Flow of single lines including summation
  • Measure the performance of your compressed air installation

    By means of the chart recorder Check Box M1-M5, all measured data of a compressor station can be recorded, indicated and evaluated. All digital sensors of our product range can be connected to the digital inputs. That includes flow meter, dew point sensors, current/effective power meters and third-party sensors with Modbus RS 485. Analog sensor inputs third party sensors and meters with the following signal output can also be connected: 4-20 mA, 0-20 mA | 0-1 V / 0-10 V / 0-30 V | Pt 100 (2- or 3-wire), Pt 1000 (2- or 3-wire), KTY | pulse outputs (e.g. of gas meters) | frequency output | Modbus protocol.

    Technical data Check Box M1-M5


    270 x 225 x 156 mm (W x H x D)


    2.2 kg


    2 x 2 sensor inputs for digital or analogue sensor signals


    USB (standard), Ethernet (optional)

    Power supply

    Internal rechargeable Li-Ion batteries, approx 8 h continuos operation, 4 h charging time



    Integrated data logger

    100 million measuring values start/stop time, measuring rate freely adjustable

    2 additional sensor inputs

    for connection of pressure sensors, temperature sensors, clamp-on ammeters, third-party sensors with 4-20 mA 0 to 10 V, Pt100, Pt1000

    Chart Recorders

    If you want to know what’s going on in your compressed air system at any time, then you should invest in a chart recorder. It shows the measurement data of the various sensors on a screen and lets you monitor all parameters at a glance. In addition, you have the option of analyzing the information to help you find the most energy efficient solution for your application.