CHK Power Quality MIRO PQ25 User Manual

CHK Power Quality Pty Ltd, User Manual – Miro Power Quality Logger and Analyser, 15 August 2016
Website: www.chkpowerquality.com.au; Enquiries: sales@chkpowerquality.com.au; Page 78
Address: Unit 1, 3 Tollis Place, Seven Hills, NSW 2147, Sydney, Australia; ABN: 53 169 840 831; Telephone: +61 2 8283 6945;
Fax: +61 2 8212 8105; Website: www.chkpowerquality.com.au
Figure 5.9.2.4.3
Figure 5.9.2.4.4
The various cursors are illustrated below.
Voltage Exceedance Test
Step 1: Click the ’Voltage Exceedance Test’ button as shown in figure 5.9.2.4.4. An input
box appears as shown in figure 5.9.2.4.5 showing a default nominal voltage value which the
user is able to change.
Step 2: Enter the desired value and click ‘OK’. In this example the value is set to 230V. An
input box appears as shown in figure 5.9.2.4.6 showing a default percentage value which the
user is able to change. Enter the desired value and click ‘OK’. In this example the value is
set to 1 percent.
Figure 5.9.2.4.5
Figure 5.9.2.4.6
The upper and lower limit voltage cursors are now displayed in figure 5.9.2.4.7 (as pointed to
by arrows) and set at 1% above (232.30V) and below (227.70V) the nominal value. The
‘Delta’ is the difference of the two values and equal to 4.60V.

CHK Power Quality MIRO PQ25 Specifications

General

Device Type	Power Quality Analyzer
Frequency Range	45 Hz to 65 Hz
Harmonics	Up to 50th order
Communication Interfaces	USB, Ethernet
Safety Standard	IEC 61010-1
Accuracy	±0.5% of reading
Dimensions	240 x 180 x 80 mm
Weight	1.5 kg
Display	Color LCD
Data Logging	Yes, with internal memory
Power Supply	50/60 Hz
Current Range	Depends on CT used
Power Range	Calculated based on voltage and current input