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Dongguan Duncan Electronics Co., Ltd.

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 Dongguan Duncan Electronics Co., Ltd.

China

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Current:Home » Product Categories » » Digital intelligent single-phase frequency meter (9999 DISPLAY PROGRAMMABLE
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Digital intelligent single-phase frequency meter (9999 DISPLAY PROGRAMMABLE
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Product:
Brand: aa 
Price: 50.00USD/ 
MOQ: 1  
Total supply:
Delivery time: From the date of payment from the buyer within days of delivery
update time: 2021-05-19 01:00  Valid to:Long-term effective
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Profile

PERFORMANCE CHARACTERISTICS

                1. High precision measurement of single phase AC frequency

                2 Provide the digital tube display, local data query

                3. Support for RS-485 communication, Modbus-RTU protocol

                4. Support for switching input, output, analog quantity transmitting output

               5. Auxiliary power supply: AC\DC 80V-270V, AC220V, AC380V, AC100V, DC48V, DC24V t

               6. A variety of shapes, to meet the different requirements of the cabinet body electric circuit

 

 

TECHNICAL INDEX                                     

         1. accuracy of measurement:frequency ±0.02Hz

         2. Signal input:Connection mode of single phase

                    Rated voltage of AC57.7V,AC100V,AC220V,AC380V

                  Over load:voltage of 1.2 times( Continued ), times / second ( instantaneous )

                    Current of 1.2 times( Continued ), 2times / 1second ( instantaneous )

                    Power <1VA/ phase  

            Impedance:voltage>300KΩ current <20mΩ

                    Frequency: 45-65Hz

         3. Auxiliary power supply:Working range of AC\DC 80V-270V,AC220V,AC380V,AC100V,DC48V,DC24V

                    Power consumption:<4VA

         4. Function module:Communication interface 1 way RS-485 communication, Modbus-RTU protocol

                    Baud rate: 1200~9600bps, the default 2400bps

                    Switch input support 2 stem node input

                    The switch output support 2 relay output, capacity:AC250\5A,DC30V\5A

                    Transmission output support 1 analog output:0\4-20mA or 0-5\10V

         5. Environment:Working temperature:-10°C ~+55°C

                    Storage temperature:-25°C ~+70°C

                    Relative humidity is less than 93%, no corrosive gas

                    Elevation≤2500m

         6.safety:Insulation resistance >100MΩ

                    AC withstand voltage AC2KV

         7. Electromagnetic compatibility:ESD level 4

                    Electrical fast transient burst level 4

                    Surge level 4

 

 

 

After-sales service:

We will check the goods quality before shipment. If there are some unexpected problems happen, we hope to solve the problems with buyer through friendly in the following ways:

1 If it is quality problem, buyer can submit argue within 15days after receiving the goods, buyer must provide photos or video and other evidence to seller for identify.

2 Man-made damaged, buyers take full responsibility.

3 Product quality processing program:

1) The buyer return the goods to us and responsible for return shipping costs; after we receive the goods ,we will send a new product to buyer and pay for the resend shipping cost.

2) If the goods (total price including shipping is less than 10USD) has quality problems, we will resend a new product in buyer next order; if buyer dont plan to make a new order in the near term, buyer can pay the resend shipping cost and ask to resend a new product.

 

Tax:

Paying tax is the duty of every citizen, buyer need to responsible for the all of taxes. Due to the tax problem, buyer refuse to receive the goods, buyer need to responsible for freight out and home.

 

Feedback:

1 We depend on our customer satisfaction to succeed. Therefore, your feedback is extremely important to us.

2 If you are satisfied with our items, please leave us positive feedback. We will leave a positive feedback to you later.

3 Contact us by e-mail or our trade manager: fmtmodel,  before leaving any negative or neutral feedback. We will deal with you to solve any problems as soon as possible.

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