HT instruments PQA824 - Manual (Page 126)

PQA400 - PQA823 - PQA824
EN - 125
9. TECHNICAL SPECIFICATIONS
9.1. TECHNICAL FEATURES
TRMS AC/DC Voltage Phase-Neutral / Phase-Ground – Single phase / Three phase systems
Range Accuracy Resolution Input impedance
0.0  600.0V (0.5%rdg+2dgt) 0.1V 10M 
Max crest factor = 2
Voltage values < 2.0V are considered zero by meter
Meter is connectable with external VT with ratio selectable from 1
 3000
TRMS AC/DC Voltage Phase-Phase – Three phase systems
Range Accuracy Resolution Input impedance
0.0  1000.0V (0.5%rdg+2dgt) 0.1V 10M 
Max crest factor = 2
Voltage values < 2.0V are considered zero by meter
Meter is connectable with external VT with ratio selectable from 1
 3000
Voltage Anomalies Phase-Neutral – Single phase / Three phase 4-wire systems
Range
Voltage
Accuracy
Time Accuracy
(50Hz)
Voltage Resolution
Time Resolution
(50Hz)
0.0  600.0V (1.0%rdg+2dgt) 10ms 0.2V 10ms
Max crest factor = 2
Voltage values < 2.0V are considered zero by meter
Meter is connectable with external VT with ratio selectable from 1
 3000
Selectable threshold from 1% to 30%
Voltage Anomalies Phase-Phase – Three phase 3-wire systems
Range
Voltage
Accuracy
Time Accuracy
(50Hz)
Voltage Resolution
Time Resolution
(50Hz)
0.0  1000.0V (1.0%rdg+2dgt) 10ms 0.2V 10ms
Max crest factor = 2
Voltage values < 2.0V are considered zero by meter
Meter is connectable with external VT with ratio selectable from 1
 3000
Selectable threshold from 1% to 30%
Voltage Spikes – Phase-Ground - Single phase and Three phase systems (only PQA824)
Range
Voltage
Accuracy
Voltage
Resolution
Time resolution
(50Hz)
Detection time (50Hz)
-1000V  100V
(2.0%rdg+60V) 1V
10ms
78 s – 2.5ms
(SLOW) 100V  1000V
-6000V  -100V
(10%rdg+100V) 15V
5 s – 160s
(FAST) 100V  6000V
Voltage detection threshold set from 100V  5000V
Maximum number of recorded events: 20000
TRMS AC Current with Standard STD transducer clamp
Range Accuracy Resolution Input impedance Overload protection
0.0 1000.0mV (0.5%rdg+0.06%FS) 0.1mV 510k  5V
Measure performed with voltage output =1VAC with nominal current measured by clamp
Max crest factor = 3
Current values < 0.1% of full scale (FS) are considered zero by meter
TRMS AC Current with Flex transducer clamp – Range 300A
Range Accuracy Resolution Input impedance Overload protection
0.0  49.9A (0.5%rdg+0.24%FS)
0.1A 510k  5V
50.0  300.0A (0.5%rdg+0.06%FS)
Measurements performed with HTFLEX33 flexible clamp
Max crest factor = 3
Current values < 1A are considered zero by meter
TRMS AC Current with Flex transducer clamp – Range 3000A
Range (*) Accuracy Resolution Input impedance Overload protection
0.0  3000.0A (0.5%rdg+0.06%FS) 0.1A 510k  5V
Measurements performed with HTFLEX33 flexible clamp
Max crest factor = 3
Current values < 5A are considered zero by meter