Polimaster PM1621M User Manual

11
Maximum permissible additional relative
error of DER measurement:
- at temperature variations from minus 40
to plus 60°С ±10 %;
- at relative humidity of ambient air 98 %
at 35 °С
±10 %;
- at power voltage variations from
nominal value to limiting voltage values
± 10 %;
- on exposure to magnetic field of 400 A/m
strength
± 5 %;
- on exposure to radio frequency
electromagnetic fields of 10 V/m strength
± 5 %.
12
LCD backlight at pressing LIGHT/SET
button 3-5 s.
13
Instability of readings during 24 hou
r
continuous work, no more than
± 5 %.
14
Response time (according to IEC 61526),
when DER value is increased more than
10 times from initial DER value to finite
fixed high DER value exceeding 10 µSv/h,
no more than
5 s.
15
Response time(according to IEC 61526)
when DER value is decreased more than
10 times, from initial high to finite fixed low
DER value exceeding 10 µSv/h, no more
than
10 s.
16
PC communication - by special software using IR
communication channel adapter.
17
In the PC data exchange mode the
instrument provides the following
functions:
1) permission or prohibition of the
following operating modes (parameters) of
the instrument:
- DER indication;
- indication of DER coefficient of
variation;
- indication of DER averaging time;
- DE indication;
- indication of DE accumulation time;
- indication of time remaining for stay at
the working place depending on the
current measured DER and DE values;
- indication of the instrument’s number;
- audible alarm;
- preset of the DE and DER threshold
levels using the buttons;
- DE reset using the buttons.
9

Polimaster PM1621M Specifications

General

Brand	Polimaster
Model	PM1621M
Category	Measuring Instruments
Language	English