NDN Calibration Laboratory with accreditation!

In July 2022, our Calibration Laboratory received accreditation with the number AP 209 granted by the Polish Center for Accreditation (PCA) under the EA MLA international agreement. Thus, the Laboratory confirmed compliance with the requirements of PN-EN ISO/IEC 17025 "General requirements for the competence of testing and calibration laboratories" in the field of calibration of electrical quantities.



APPA 207 Digital Multimeter



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Product Overview

The APPA 207 is a laboratory digital multimeter with a 5-digit LCD display. The unit has a full set of unit and function indicators and an automatic polarity indicator. The unit has a storage compartment for measuring cables in the rear of the case.

Technical data

  • Measuring functions
  • AC voltage (AC, AC+DC) up to 750V
  • DC voltage up to 1000V
  • AC and DC current in the range up to 10A (20A for 30 seconds)
  • Frequency in the range of 100Hz - 4MHz
  • Filling in range 20-80%
  • Capacitance in ranges of 4nF - 10mF
  • Resistance in the range up to 40MΩ
  • Continuity test
  • Diode test
  • Display
  • LCD, 5 digits, 7-segment display
  • Maximum display: 40,000
  • 80-segment analog ruler
  • Triple with menu
  • Full set of unit and function indicators
  • Automatic polarity indicator
  • Additional features
  • Refresh rate: 4 x per second (digital); 20 x per s (analog)
  • USB
  • STORE and RECALL functions
  • Delay Hold function
  • DATA HOLD function - memory of selected reading
  • Acoustic test of continuity and diodes ( LVW function)
  • Power supply from batteries ( 9V ) or 220V AC mains
  • Manual or automatic switching of ranges
  • RS 232c interface with optical connector and software on CD
  • Menu navigation with buttons under the display
  • RMS reading of alternating voltages and currents
  • Insulated sockets and safe test leads
  • Accessory compartment inside the case
  • Power supply from batteries ( 9V ) or 220V AC mains
  • Protection against surge pulses up to 6kV
  • Compliant with UL3111 and IEC10101-1 standards
  • Included accessories
  • test leads
  • power cable
  • carrying strap
  • user's manual
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