DTM810 Single-phase Power Monitoring
Applications
1.Disk meter
2.Replace ordinary pointer instrument
3.Low-voltage single-phase output circuit of power parameter measurement
4.Power Automation Monitoring System
The fine for
1.Independent design professional, fully functional
2.Composed of industrial devices, first-class quality
3.Classic design, and strong expansion
4.Series is complete a variety of models optional
Careful design, surpass the master
■ suitable for 0.4KV voltage single-phase AC electrical parameter measurement
■ Power Supply AC-DC dual switching power supply to meet the wide range of
■ LCD liquid crystal display data, data display and specify the display options in turn
■ ER than the scene settings, without Ordering
■ AC-DC dual-use two-way active digital input
■ Two relay alarm output
■ 1 analog output and 1 channel pulse output power level
■ comply with IEC61000 Directive
| 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% |
|
function
|
parameters
|
DTM810
|
DTM811
|
DTM812
|
DTM813
|
|
|
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
DTM810 main function products
◆ DTM810:
Current measurement
◆ DTM811:
Voltage measurement
◆ DTM812:
Voltage + current + active + frequency
◆ DTM813:
Voltage + current + active + reactive power + power + frequency + active power factor of degree
DTM810 product extensions
◆ digital input
Scalable two-way active digital input, is used to detect breaker status
◆ switch output
Scalable two-way relay output for alarm or control output
◆ Analog output
Can be extended all the way to programmable analog output
◆ Rs485 Communication
Standard MODBUS-RTU protocol
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