OEM or Buyer labled is ok
CE, ISO9001 /Rohs
Manufactuer with more than 20 years OEM experience
Minimum Order Quantity: 5 Piece/Pieces
Supply Ability: 10000 Piece/Pieces per Week
Payment Terms: L/C,T/T,Western Union,MoneyGram,paypal
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Packaging Detail: packed as standard
Delivery Detail: within 2 weeks
Frquency meter
1.Applied in power networks and power auto-control systems;
2.Mainly measure the parameters of the frequency;
3.RS-485, MODBUS-RTU protocol, realize remote communication;
4.Four digital inputs to monitor and control the switch state;
5.Two relay alarm outputs to realize remotely control.
Technical parameters
| Parameters | ||
Accuracy | 0.2% | |
Display | Single row four bits LED Display, additional symbol bits | |
Input | Nominal Input | Voltage AC100V,220V,380V etc |
| Overload | Sustained:1.2 times;Instantaneous: voltage 2 times/ 1 0s Current 10 times/ 5 s | |
| Frequency | 40-65Hz | |
Power | Supply Power | AC/DC 80 - 270V |
| Power Consumption | <4VA | |
Digital Input | 4 digital inputs ,passive dry contact node,R<500Ω turn-on;R>100kΩ turn-off | |
Relay Output | 2 Relay Outputs,relay contact capacity :AC5A/250V resistive,DC5A/30V resistive | |
Communication Interface | RS-485 interface, MODBUS-RTU protocol, Baud rate default 4800(2400,9600 etc)bps | |
Withstand Voltage | Power Supply & Input >2kV; Power Supply & Output >2kV; Output & Input >2kV | |
Insulation | ≥100MΩ | |
Mean Time Between Failures(MTBF) | ≥50000h | |
Operating Condition | Environment Temperature:-10-55°C,Relative Humidity≤93%, No corrosive gas environment, Altitude≤2500m | |
Storage Condition | Ambient Temperature:-20-75°C,Relative Humidity≤93% | |
Model No.: STM-332
Features: 1.Three Phase Four Wire DIN Rail Electronic Meter
2.Built-shunt
3.Small size, light weight
4.Low power consumption
Model No.: STKM-303
Features: Analog AC Voltmeter 1.ac/dc data logger meter
2.Low self power consumption
3.demand measurement
Model No.: STKM-303
Features: 1.watt meter
2.Low self power consumption
3.demand measurement functions
4.high sensitivity
Model No.: STM-332
Features: 1.Three Phase Inductive Meter
2.Built-shunt
3.Small size, light weight
4.Low power consumption
Model No.:
Features: single/three phase DIN rail kwh meter
2.Built-shunt
3.Small size, light weight
4.Low power consumption
Model No.: STKM-303
Features: 1.ac/dc din rail Digital meter
2.Low self power consumption
3.demand measurement
Model No.:
Features: single/three phase watt hour din rail kwh meter
2.Built-shunt
3.Small size, light weight
4.Low power consumption
Model No.: STKM-303
Features: 1.90*90mm 72*72mm alarm ac/dc Digital meter K-6L
2.Low self power consumption
3.demand measurement
Model No.: ST
Features: 1.LCD Digital AC/DC voltage current small header meters
2.Low self power consumption
3.demand measurement
Model No.: STKM-303
Features: 1.digital meter
2.Low self power consumption
3.demand measurement functions
4.high sensitivity
Model No.: STKM-303
Features: Digital Volt Meter 1.ac/dc data logger meter
2.Low self power consumption
3.demand measurement
Model No.: STKM-303
Features: Analog DC Voltmeter 1.ac/dc data logger meter
2.Low self power consumption
3.demand measurement