Digital Voltmeter and Ammeter Instruction Manual

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Digital Voltmeter and Ammeter
VA-96
Instruction Manual
【Characteristics】
Characteristics】
・Simultaneous measurement and display of 6 components
・Single phase 2 wire, single phase 3 wire, and 3 phase 3 wire are available
・Auto/Manual display scroll
・Less wiring and power supply from R, S, T phase
【LCD】
LCD】
Upper Digits
Corresponding the unit
and phase next to digits
Upper Bargraph
R phase current
measuring value
Middle Digits
Corresponding the unit
and phase next to digits
Middle Bargraph
S phase current
measuring value
Lower Bargraph
Lower Digits
Corresponding the unit
T phase current
measuring value
and phase next to digits
【Display Mo
Mode: Auto and Manual】
Manual】
Auto/Manual display setting: Press [▼] and choose Auto or Manual
For Manual:
switch screens with [画面切替]+[▲]/[画面切替]+[▼]
For Auto: switch screens with 5 sec interval
5 sec
5
4
5 sec
2
1
2
1
5 sec
5 sec
3
5
4
3
5 sec
-1-
Display Patterns List
DIGITAL DISPLAY
BARGRAPH DISPLAY
DISPLAY
NUMBER
Upper
Middle
Lower
Upper
Middle
Lower
1
V: RS phase
V: ST phase
V: TR phase
A: R phase
A: S phase
A: T phase
2
A: R phase
A: S phase
A: T phase
A: R phase
A: S phase
A: T phase
3
V: RS phase
A: R phase
-
A: R phase
A: S phase
A: T phase
4
V: ST phase
A: S phase
-
A: R phase
A: S phase
A: T phase
5
V: TR phase
A: T phase
-
A: R phase
A: S phase
A: T phase
【 How to Set the CT and VT values】
values】
1. Press and hold down [▼]+[▲] for 3 seconds.
Default Values:
CT primary rated value: 10A
VT primary rated value: 220V
VT secondary rated vaule: 220V
Bargraph display: OFF
2. CT primary rated value
Available setting value range: 55-9000A (9.00kA) with [画面切替]+[▼]/[画面切替]+[▼]
[▼]
[▲]
3. VT primary rated value
Available setting value range:100
100100-9990V (9.99kV) with[画面切替]+[▼]/[画面切替]+[▼]
with
[▼]
[▲]
4. VT secondary rated value
Setting value: 110V or 220Vwith
220Vwith [画面切替]+[▼]/[画面切替]+[▼]
[▼]
[▲]
5. Bargraph display
Setting options: ON or OFF with [画面切替]+[▼]/[画面切替]+[▼]
6. Press and hold down [▼]+[▲] for 3 seconds to switch measuring screen mode
After 60 seconds with no
settings, the screen returns to
measuring screen.
-2-
【Dimensions and Panel Cut】
Cut】
1. Dimensions
2. Panel cut
92
92
【Terminals】
Terminals】
Terminal
1S
1L
3S
3L
R
S
T
1P2W
1S
1L
NC
NC
V1
V2
Short S
1P3W
1S
1L
2S
2L
V1
VN
V2
3P3W
1S
1L
3S
3L
V1
V2
V3
-3-
【Specification】
Specification】
1. Input rating
Type
Input Rating
Current
Single Phase 2 Wire
5A AC
Single Phase 3 Wire
5A AC
3 Phase 3 Wire
5A AC
Voltage
110V AC(Max. 132V AC)
220V AC(Max. 264V AC)
110-220V AC (Max. 132-264V AC)
110V AC(Max. 132V AC)
220V AC(Max. 264V AC)
Frequency
50/60Hz
50/60Hz
50/60Hz
2. Accuracy
Items
Current
Voltage
3. Response time
Item
Display
Digits
Class
Accuracy
±2%
2
±2%
2
Note
Accuracy against input rating
Accuracy against input rating
Response Time
Less than 4 sec
Note
Time till reaching ±1% of the last reading value
Spec
LCD
5 segment
3 digits
3 digits
3 digits
LED
1 sec
Note
4. Display
Item
Display
3 Bargraphs
Upper digits
Middle digits
Lower digits
Backlight
Update time
Invisible at default
For current display: switch unit between A/kA
For voltage display: switch unit between V/kV
Always on
5. Blackout compensation
VT, CT ratio, and setting values memorize when control source shuts down.
6. Aux. power
100/200V AC: 85~264V AC (50/60Hz) Supply from voltage input terminal
7. Insulation test
All CT input terminals ⇔ All VT input terminals
More than 100MΩ at insulation tester
8. Voltage test
All CT input terminals ⇔ All VT input terminals
2000V AC 50/60Hz for 1 min
9. Lightning impulse withstand voltage test
All input terminals ⇔ Earth
6kV
1.2/50 µs
10. Power consumption
VT circuit: up to 4VA
CT circuit: up to 0.3VA
11. Use conditions
Temperature
Humidity
Altitude
Installation
Others
Use Conditions
-10~55℃
(storage temp.-20~70℃)
30~85%RH non condensing
(storage humidity 30~85%RH)
up to 1000m
Avoid direct sunlight
Avoid dusty place
Refrain from installing and storage at a place occurring corrosive gas
Contact us for use condition in advance
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