Hioki PQ3198, Инструкция по эксплуатации

Страница: 200 / 304

13.2 Input Specifications/Output Specifications/Measurement Specifications
194
-1. Basic specifications
13.2 Input Specifications/Output Specifications/
Measurement Specifications
Number of channels Voltage: 4 channels
Current: 4 channels
Input terminal form Voltage: Plug-in terminals (Safety terminals)
Current: Dedicated connectors (Hioki PL14)
Current sensor power supply For AC/DC auto-zero current sensors and AC flexible current sensors
+5 V
±
0.25 V, -5 V
±
0.25 V; supplied current: 30 mA max./ch.
Measurement line type Single-phase 2-wire: 1P2W
Single-phase 3-wire: 1P3W
3-phase 3-wire 2-watt meter measurement: 3P3W2M
3-phase 3-wire 3-watt meter measurement: 3P3W3M
3-phase 4-wire: 3P4W
3-phase 4-wire 2.5 element: 3P4W2.5E
In addition to one of the above, input CH4.
(must be synchronized to reference channel during AC/DC measurement)
Input methods Voltage input section: Isolated and differential inputs
(Between U1,U2 and U3: channels not isolated, Between U1,U2 and U3 to U4: channels isolated)
Current input section: Isolated input through a current sensor
Input resistance Voltage input section: 4 M
Ω ±
2%
Current input section: 100 k Ω
±
10%
Maximum input voltage Voltage input section: 1000 V AC, ±600 V DC, 6000 V peak
Current input section: 1.7 V AC/DC, 2.4 V peak
Maximum rated voltage to earth Voltage input section: 600 V AC (Measurement categories IV), anticipated transient overvoltage 8000 V
Current input section: Depends upon the current sensor being used
Measurement method Digital simultaneous sampling of voltage and current, zero-cross synchronized calculation method
Sampling frequency Voltage and current, active power, etc. : 200 kHz
Transient voltage measurement : 2 MHz
A/D converter resolution RMS voltage and current: 16bit
Transient voltage measurement: 12bit
Display range Voltage: 0.48 V to 780 V
Current: 0.5% to 130% of range
Power: 0.0% to 130% of range
Measurement items other than the above: 0% to 130% of range
Zero display range Voltage: Less than 0.48 V; when the voltage RMS value is 0, the power value is set to 0.
Current: Less than 0.5% f.s.; when the voltage RMS value is 0, the power value is set to 0.
Effective measurement
range Voltage: 10 V AC to 780 V AC, 1 V DC to 600 V DC
Current: 1% to 120% of range
Power: 0.15% to 130% of range (with both voltage and current within effective measuring range)
See separate specifications for harmonic measurement
Effective peak range Voltage measurement:
±
1200 V
Transient voltage measurement:
±
6.0000 kV
Current measurement:
±
400% of range
HIOKI PQ3198A961-03