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ITEM
T-Meter (T100-C)
Feature
T-Meter is
a multi functional digital power
metering instruments,
which is combined various panel
meter functions in one,
and designed with high class under
long term experience from us.
Also, it can be controlled or
checked the metering value
from user’s smart phone, because
it has the function to communicate
with
Wi-Fi AP as the first time in
this field.
With communication port of RS-485,
it’s supported for MODBUS protocol,
and it’s easy to change
from the original analogue panel
meter as draw-out type structure.
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Main Functions
- Graphic
LCD Display
- High-precision and high-Reliability metering
- Self-diagnosis
- Standard communication protocol
- Various Input/Output
Special Functions
-Wi-Fi
· Possible to check the metering value of T-Meter by Laptop and Smart phone.
· Available to send the control commend to T-Meter through Wi-Fi.
· Useful for inspection and analysis for Vector Diagram and harmonic wave.
· Anytime save for metering value and waveform.
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In-put/Out-put Spec.
| Part |
Description |
Remark
|
| Connection type |
1P2W,
1P3W, 3P3W, 3P4W |
|
| Input |
Frequency |
50 /
60 Hz (Option) |
|
| Voltage |
AC 10
~ 380 |
3EA |
| Current |
AC 5A |
3EA |
| PT Burden |
Under
0.5 VA ( 1 Phase) |
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| CT Burden |
Under
0.5 VA ( 1 Phase) |
|
| Aux.
Power |
AC/DC
85V ~ 265V |
|
| Digital
Input |
AC/DC
125V (Including CB-OPEN, CLOSE,
Over AC80V) |
8EA, Option |
| Output |
PO |
Under
AC/DC350V (Under 30VA) Normal Open
|
2EA, Option |
| Digital
Output |
Signal
DRY, Normal Open, CB Control |
2EA, Option |
| Communication |
MODBUS-RTU |
RS485
4800 ~ 38400BPS |
1EA, Option |
| WIFI |
Use
for exclusive manager software |
Option |
| Case |
Size |
144mm(H)
* 144mm(W) * 144.5mm(D) |
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| Weight |
Less
than 0.7Kg |
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| Structure |
Draw-out
type |
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| Operating
temperature |
(-)
10 ℃ ~ (+) 55 ℃ |
|
| Strorage
temperature |
(-)
30 ℃ ~ (+) 70 ℃ |
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| Relative
humidity |
30 %
~ 80 % without condensation |
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| Attitude |
MAX
1,000 m |
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계측사양
| Part |
Range |
Unit
|
Remark
|
| Voltage
|
RMS |
0.0
~ 999.9 |
V, kV |
0.2% |
| Positive
sequence |
0.0
~ 999.9 |
V, kV |
0.2% |
| Negative
Sequence |
0.0
~ 999.9 |
V, kV |
0.2% |
| Phase
Sequence |
0 ~
359.9 |
° |
0.5° |
| Current |
RMS |
0.00
~ 999.9 |
A , kA |
0.2% |
| Positive
sequence |
0.00
~ 999.9 |
A , kA |
0.2% |
| Negative
Sequence |
0.00
~ 999.9 |
A , kA |
0.2% |
| Phase
Sequence |
0 ~
359.9 |
° |
0.5° |
| Power |
kVA |
0.00
~ 999.9 |
kVA , MVA |
0.5% |
| kW |
(-)
999.9 ~ 999.9 |
kW , MW |
0.5% |
| kVar |
(-)
999.9 ~ 999.9 |
kVar , MVar |
0.5% |
| kWh |
0.0000000
~ 9999999.9 |
kWh , MWh |
0.5% |
| kVarh |
0.0000000
~ 9999999.9 |
kVarh , MVarh |
0.5% |
| rkVar |
0.0000000
~ 9999999.9 |
rkWh , rMWh |
0.5% |
| rkVarh |
0.0000000
~ 9999999.9 |
rkVarh , rMVarh |
0.5% |
| ETC |
Frequency |
45.00
~ 65.00 |
Hz |
0.05Hz |
| Power
factor |
(-)100.0
~ 100.0 |
% |
0.5% |
| Current
factor |
0.000
~ 200.0 |
% |
- |
| Voltage
Unbalance Factor |
0.000
~ 100.0 |
% |
- |
| Current
Unbalance Factor |
0.000
~ 100.0 |
% |
- |
| Voltage
Harmonics |
0.000
~ 100.0 |
% |
15TH |
| Current
Harmonics |
0.000
~ 100.0 |
% |
15TH |
| Voltage
THD |
0.000
~ 100.0 |
% |
- |
| Current
THD |
0.000
~ 100.0 |
% |
- |
| TDD |
0.000
~ 100.0 |
% |
- |
| K-FACTOR |
0.000
~ 100.0 |
kF |
- |
| Demand
Max Power |
0.0000
~ 99999 |
kW , MW |
- |
| Demand
Max Current |
0.000
~ 9999 |
A , kA |
- |
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| T-Meter Power Monitoring System with MQTT. |
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MQTT(Message Queuing Telemetry Transport)
- Small sized message transmitted protocol based on Publish / Subscribe.
- High-capacity message transmitted protocol, which is developed by IBM and selected by OASIS as the standard protocol of IoT technology, because it is designed by considering the limited functions and operation in the poor network connection environment.
Advantage of MQTT
- Superior bandwidth and processing speed of network with small overhead time. When 100,000 Clients connect, transmit 13,000 Messages/sec. (Based on Linux, 4x4 core 2.93GHz Intel Xeon, 32GB RAM, 10Gbit LAN, source of IBM)
- With small sized protocol, it can be applied easily to the device which is low power and small.
- Available for various environments with distributed message like 1:1, 1:n, n:1, n:n .
- Available to select and collect information of Publisher by using Topic.
- Available to send all messages freely from small and large sized regardless of size and shape.
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