Home > DTM830 Three-phase Power Monitoring 
Below 35KV voltage level suitable for measuring the parameters of the three-phase ac;Work power into thestraight amphibious switch power program, to adapt a wide range; Big screen LCD display data, data turns display and specified display can choose various types optional, meet different needs......
DTM830 Three-phase Power Monitoring
Below 35KV voltage level suitable for measuring the parameters of the three-phase ac;Work power into thestraight amphibious switch power program, to adapt a wide range; Big screen LCD display data, data turns display and specified display can choose various types optional, meet different needs; Four-way cross straight dual active switch input; SiHu programmable relay alarm output; Expand the capacity demand analysis function.
Application scope
1.Disk instrument
2.Simple power quality analysis
3.Important loop power parameter measurement
4.Electricity tariff, cost allocation
Classic
1.Professional independent design, complete function
2.Industry-specific device, the first-class quality
3.Classical structure design, extensible
4.Series is complete multiple types can be chosen
From classic, wins out
1.for below 35 kv voltage grade of three-phase ac parameter measurement work power to pay straight amphibious switch power supply, to adapt to a wide range large screen LCD display data, data display and specified in turn is optional.
2.Optional s variety of models to meet different needs.four road straight dual active switch input
four programmable relay alarm output expansion capacity requirements analysis function guide mode model is optional electrorheological than site Settings, do not need to order.
DTM830 Three-phase Power Monitoring Specification.
|
Current measurement (RMS) |
Switch input |
|
CT a side 10000A |
The number 4 |
|
The CT secondary side 1A or 5A |
Power supply 100VDC/220VAC |
|
Measuring range 0-12KA |
Minimum width of the signal 10mS |
|
The input power consumption ≤0.1VA |
The minimum interval 18mS |
|
Measurement cycle 1S |
Alarm and control output |
|
Accuracy of measurement 0.2% |
The number 4 |
|
Continuous overload 1.2In |
Relay output capacity 5A 250VAC/30VDC |
|
Short-time overload 1min 10In |
communication |
|
Voltage (RMS) measurement |
Interface RS485 |
|
Direct measurement of linevoltage 17-700VAC |
Agreement Modbus-RTU |
|
Direct measurement of the phase voltage 10-404VAC |
Modbus communication rate 2400~19200 |
|
The frequency 50/60Hz |
Conform to the standard |
|
The input power consumption ≤0.1VA |
The perturbation resistance of electrostatic test IEC 61000-4-2 |
|
Measurement cycle 1S |
Radiation immunity test IEC 61000-4-3 |
|
Accuracy of measurement 0.2% |
Conduction rf interference test EN55022,ClassB |
|
Continuous overload 1.2Vn |
Electrical fast transient pulse test |
|
Power measurement |
Surge immunity test IEC61000-4-5,Level 3 |
|
Measurement cycle 1S |
Radio frequency radiation interference test |
|
Accuracy of measurement 0.5% |
The installation |
|
Frequency measurement |
Overall dimensions 96×96×55 |
|
Measuring range 45-65Hz |
Enclosure degree of protection IP30 |
|
Measurement cycle 1S |
Panel protection grade IP52 |
|
Accuracy of measurement 0.1% |
Terminal type stationary |
|
Electricity metering |
The voltage and other wire cross section 0.2-2.5㎜2 |
|
Active electrical degrees 0.5 on the Richter scale are unlikely |
Current conductor cross-sectional area 0.6-6.0㎜2 |
|
Degree of reactive power Level 2 |
The weight ≤500g |
|
Working power supply |
|
|
Ac voltage 85-265VAC |
|
|
The power frequency 45-65Hz |
|
|
Dc voltage 100-300VDC |
|
|
Power consumption ≤2VA |
|
|
Conditions of use |
|
|
Working temperature -10℃～55℃ |
|
|
Storage temperature -20℃～85℃ |
|
|
Relative humidity ≤95% |
|
|
Function
|
function
|
DTM830
|
DTM8321
|
DTM832
|
DTM833
|
DTM830B
|
|
|
Real when measurement quantity value
|
Phase voltage
|
V1 V2 V3
|
■
|
■
|
■
|
■
|
■
|
|
Line voltage
|
VI1 VI2 VI3
|
*
|
*
|
*
|
*
|
*
|
|
|
current
|
I1 I2 I3 In Iavg
|
■
|
■
|
■
|
■
|
■
|
|
|
Active power |
P1 P2 P3 Psum
|
■
|
■
|
■
|
■
|
■
|
|
|
Reactive power
|
Q1 Q2 Q3 Qsum
|
■
|
■
|
■
|
■
|
■
|
|
|
ShiZai power
|
S1 S2 S3 Ssum
|
■
|
■
|
■
|
■
|
■
|
|
|
Power factor
|
PF1 PF2 PF3 PF
|
■
|
■
|
■
|
■
|
■
|
|
|
frequency |
Frequency
|
■
|
■
|
■
|
■
|
■
|
|
|
Energy
demand |
Meritorious electric degrees
|
Ep_imp Ep_exp Ep_total
|
■
|
■
|
■
|
■
|
■
|
|
Reactive electricity degrees |
Eq_imp Eq_exp Eq_total
|
■
|
■
|
■
|
■
|
■
|
|
|
Reply fee rate |
|
*
|
*
|
*
|
*
|
*
|
|
|
demand
|
|
—
|
*
|
*
|
*
|
*
|
|
|
Expansion function
|
DI (active remote letter input)
|
|
—
|
4
|
—
|
4
|
4
|
|
DO (replay)
|
|
—
|
—
|
4
|
4
|
3
|
|
|
Alarm
|
More limit alarm output
|
|
—
|
—
|
*4
|
*4
|
*4
|
|
Communication
|
RS485 communication
|
ModBUS-RTU
|
■
|
■
|
■
|
■
|
■
|
|
Harmonic analysis
|
31times
|
*
|
*
|
*
|
*
|
*
|
|
“■”Intrinsic function ,“*”Optional function ,“—”No this function
◆ DTM830:
Basic electricity parameter measurement plus electric degrees + RS485
◆DTM831:
Basic electricity parameter measurement + 4 road active switch input plus electric degrees + RS485
◆ DTM832:
Basic electricity parameter measurement + 4 road relay output plus electric degrees + RS485
◆ DTM833:
Basic electricity parameter measurement + 4 road active switch input +4 road relay output plus electric degrees + RS485
◆ DTM830B:
Basic power parameter measurement + 3 road active switch input + 4 bus relay output plus electric degrees + RS485
* basic electricity parameter measurement includes three-phase voltage, current, active power, reactive power, power Factor, frequency, real parameters.
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