Chapter 1 Overview; Introduction; Main Functions - ADInstruments AD2821A Operation Manual

Thank you for purchasing our product. To get the maximum
performance from the instrument, please read this manual
first, and keep this manual at hand.

1.1 Introduction

AD2821A is a microprocessor-controlled portable meter with
low power consumption. It can measure six basic parameters,
they are inductance L, capacitance C, resistance R,
impedance |Z|, dissipation factor D and quality factor Q.
AD2821A can fulfill the measurement needs of various
component manufacturers and maintenance technicians.

1.2 Main Functions

9． Test Parameter
L-Q, C-D, R-Q and Z-Q.
10． Correction
OPEN: multi-frequency correction of open circuit;
SHORT: multi-frequency correction of short circuit.
11． Display Mode
Direct —— direct measurement value;
—— absolute deviation;
Δ
—— percent deviation.
Δ%
12． Range Hold
When measuring a large number of components with

Chapter 1 Overview