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.
Multimeter calibration certificates issued by NDN Calibration Laboratory are accredited certificates. The certificate provides all the necessary information required by PCA documents, including the uncertainty of measurement evaluated in accordance with the current edition of document EA-4/02 "Evaluation of measurement uncertainty in calibration".
They also have information about the EA MLA under which the certificates are issued and about the consistency of the measurement results with the units of measurement of the International System of Units (SI).
Measurements in our Laboratory are performed in accordance with PN-EN ISO/IEC 17025:2017, thus ensuring metrological consistency with the standards used and the highest quality of service.
The measurement standards that are used in the measurements have current calibration certificates issued by an accredited measurement laboratory and have the relevant certificates, copies of which are available upon request.
NDN Calibration Laboratory is accredited by the Polish Center for Accreditation. Certificate number: AP 209. learn more by clicking here.
The APPA 505 is a handheld digital multimeter with a 5-digit display from the APPA500 series of multimeters. It has a built-in stand to ensure the stability of the device. The multimeter's design also allows for convenient storage of measurement cables in built-in holders.
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APPA Connect APP (APPA 506b model)
APPA506B features Bluetooth Ver. 4.0 allowing
streaming data via iOS/Android APP to any
any mobile device, providing easy acquisition
and analysis of data.
All-weather housing
Designed for harsh environments with a waterproof seal.
Input terminal and battery cover prevent dust,
dirt and splashing. The case effectively absorbs drops
and shocks and allows the device to function both
inside and outside.
Automatic voltage detection with low impedance
Specially designed LoZ (Low Impedance) function,
which prevents false readings caused by
by residual voltages.(506, 506B)
Extra protection
Ergonomically designed protective holster with slim design,
features a built-in tilt stand, a nail hook
and a convenient place to store test leads.
This holster provides an extra degree of protection and convenience for your meter.
Day and night
The innovative automatic on/off function of the
backlighting ensures full visibility of the display
and extends battery life.
Full accessories
Measuring cables with comfortable grip, safety cover,
full-sleeve angle plug and hard alloy tips
ensuring long service life. Standard equipment includes:
insulated Slip-On clips. Also supplied with an adapter
temperature and bead sensor, magnetic kit
for hanging, USB cable and software CD.