DTM710 Single-phase Power Monitoring
Application scope
1.Disk instrument
2.Instead of normal pointer instrumentation
3.Low voltage electric parameters measurement of single-phase output loop
3.Power automatic monitoring system
Economic work
1.Professional independent design, complete function
2.Industrial parts, the first-class quality
3.Classical structure design, extensible
4.Series is complete multiple types can be chosen
Satisfy need, surpassing expectations
■adapt to 0.4 single-phase ac voltage grade KV of measuring the parameters
■ work power into the straight amphibious switch power, adapt to a wide range
■ highlighted digital tube display data, data turns display and specified display can be chosen
■ electrorheological than site that, without order set
■ two way switch input
■ two road relay alarm output
■ 1 road simulated output
■ meet IEC61000 instructions
DTM710 Single-phase Power Monitoring Performance
| Current measurement (RMS) | Working power supply |
| CT a side 10000A | Ac voltage 85~265VAC |
| The CT secondary side 1A or 5A | The power frequency 45~65Hz |
| Measuring range 0~12KA | Dc voltage 100-300VDC |
| The input power consumption ≤0.1VA | Power consumption ≤2VA |
| Measurement cycle 1S | Switch input |
| Accuracy of measurement 0.2% | The number 2 |
| Continuous overload 1.2In | Power supply 200VDC/220VAC |
| Short-time overload 10 in 1 seconds | Minimum width of the signal 10mS |
| Voltage (RMS) measurement | The minimum interval 18mS |
| Direct measurement of the phase voltage 10~404VAC |
Alarm and control output |
| The frequency 50/60Hz | The number 2 |
| The input power consumption ≤0.1VA | Relay output capacity 5A 250VAC/30VDC |
| Measurement cycle 1S | Conform to the standard |
| Accuracy of measurement 0.2% | The perturbation resistance of electrostatic test IEC 61000-4-2 |
| Continuous overload 1.2Vn | Radiation immunity test IEC 61000-4-3 |
| Power and power factor measurement | Conduction rf interference test EN 55022,ClassB |
| Measurement cycle 1S | Radio frequency radiation interference test EN 55022,ClassB |
| Accuracy of measurement 0.5% | communication |
| Frequency measurement | Interface RS485 |
| Measuring range 45~65Hz | agreement Modbus-RTU |
| Measurement cycle 1S | Modbus communication rate 2400~9600 |
| Accuracy of measurement 0.1% | The installation |
| Analog output | Overall dimensions 96×48×72 |
| The number 1 | Enclosure degree of protection IP30 |
| Type 4~20mADC | Panel protection grade IP52 |
| Load resistance ≤500∩ | Terminal type 拔插式 |
| Conditions of use | The voltage and other wire cross section 0.2-2.5㎜2 |
| Working temperature -10℃~55℃ | Current conductor cross-sectional area 0.6-6.0㎜2 |
| Storage temperature -20℃~85℃ | The weight ≤400g |
| Relative humidity ≤95% |
Selection Guide
|
Function
|
parameters
|
DTM710
|
DTM711
|
DTM712
|
DTM713
|
|
|
Real when measurement quantity value |
Phase voltage
|
V
|
—
|
■
|
■
|
■
|
|
current |
I
|
■
|
—
|
■
|
■
|
|
|
Active power |
P
|
—
|
—
|
■
|
■
|
|
|
Power factor |
PF
|
—
|
—
|
—
|
■
|
|
|
frequency |
Frequency
|
—
|
—
|
■
|
■
|
|
|
Energy |
Meritorious electric degrees |
|
—
|
—
|
—
|
■
|
|
I/O
|
DI (switch input) |
|
*2
|
*2
|
*2
|
*2
|
|
DO (relay output) |
|
*2
|
*2
|
*2
|
*2
|
|
|
Analog output |
|
*1
|
*1
|
*1
|
*1
|
|
|
Electricity degrees pulse output |
|
—
|
—
|
—
|
—
|
|
|
Alarm |
More limit alarm output |
|
*2
|
2
|
*2
|
*2
|
|
Communication |
RS485 communication |
ModBUS-RTU
|
*
|
*
|
*
|
*
|
“■” having this feature ,“*”optional function ,“—”without this function
DTM710 series product main function
◆DTM710:
Current measurement
◆ DTM711:
Voltage measurement
◆ DTM712:
Voltage + current + active power + frequency
◆DTM713:
Voltage + current + active power + reactive power + power factor + frequency + meritorious electric degrees
DTM710 series product function expansion
◆switch input
Extensible active switch input two road, which is used to detect circuit breaker state
◆ switching output
Extensible two road relay output, is used for alarm or control output
◆simulated output
Scalable way programmable analog output
◆ Rs485 communication
Standard MODBUS - RTU agreement
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