The cheap single-phase digital watt meter measures multi-window simultaneous display of measured voltage, AC current, power, power factor, frequency, and also features voltage/current crest ratio, harmonic analysis, stable measurement, and fast measurement.
Digital Watt Meter Functions
VA broken code screen four window display, intuitive readings.
Multi-window colleague display measuring voltage, current, power, power factor, frequency, voltage crest ratio, and current crest ratio, also has a harmonic analysis, stable measurement, and fast measurement.
Voltage, current range automatic switching, improve measurement accuracy.
Digital Watt Meter Functions
Adopt phase-locked loop (PLL) synchronization method, harmonic analysis up to 50 times.
RS-232/RS-485 serial communication interface, easy to communicate with PC or PLC.
Free to set the upper and lower limits of current and power alarm parameters, sound and light alarm indication, and can be set to delay the alarm, batch testing to improve efficiency.
SISCO digital watt meter is used in a wide range of applications. It plays an important role in power system monitoring, industrial automation, testing of electrical equipment, energy management, testing of household appliances, renewable energy, electric vehicles, and laboratory research. By accurately measuring and analyzing electrical power, watt meters help to monitor and record power transmission and optimize energy use.
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Model | SISCO-DWM-9811 |
Display | VA breakout screen, 5 digits, four windows |
Display update rate | Conventional mode: approx. 2 times/second; Harmonic analysis mode: 2 seconds/time |
Display reaction time | Approx. 333 ms, 2 sec |
Measurement object | V, A, W, PF/HZ/THD/THD%/CF |
Measurement method | AC |
Voltage range | 3.0V-600V (auto range) |
Voltage accuracy | ± (0.4% of reading + 0.1 range + 1 word) |
Voltage resolution | 0.01V |
Current range | 5.0mA~20.0A(auto range) |
Current accuracy | ± (0.4% of reading + 0.1 range + 1 word) |
Current resolution | 0.001A/0.01A |
Range switching | Auto |
Power range | 1W-12kW |
Power accuracy | ± (0.4% of reading + 0.1 range + 1 word) |
Power resolution | 0.01W/0.1W/1W |
Power factor Range | -1.000~1.000 |
Power factor accuracy | ±(0.004+0.001/reading+1 word) |
Frequency range | Base frequency:40Hz~70Hz,5kHz |
Frequency accuracy | (0.1% reading + 1 word) |
Number of harmonic analyses | 1~50 times |
Harmonic accuracy | ± (0.3% of range + 5% of reading) |
Warm-up time | >30 minutes |
Current peak | Maximum display 24A |
Maximum input allowed for connection | Voltage 660V,Current 22A |
Instantaneous maximum allowable input | 1000V,40A(1s) |
Input impedance | Voltage greater than 1MΩ, current less than 0.02Ω |
Upper and lower limit functions | Power and current upper and lower limits 4 settings: P Hi (Powerhigh), P Lo (Powerlow), A Hi (Current high), A Lo (Current low) |
Interfaces | RS232(DB9;2pins:TX,3pins:RX,5pins:GND),RS485(DB9;8pins:A,9pins:B) |
Baud rate | 9600, 19200, 38400, 115200 |
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Q1: What is a digital watt meter?
A1: A digital watt meter is an advanced electronic device used to measure and monitor the consumption of electrical power in a precise and efficient manner. Unlike traditional analog meters, which use mechanical components to measure power, digital watt meters use digital technology to provide accurate, real-time data on various electrical parameters.
Q2: What is the purpose of a digital watt meter?
A2: The primary purpose of a digital watt meter is to accurately measure and monitor power consumption. It provides real-time data and historical records, helping users understand their power usage, identify high-consumption areas, optimize energy use, improve efficiency, and save costs.
Q3: How does a digital watt meter work?
A3: A digital watt meter measures electrical parameters using sensors for voltage and current. It converts these analog signals into digital form, which is processed by a microprocessor. The processed data, including power usage and energy consumption, is displayed in real time on a screen and can be stored or transmitted for further analysis. The meter often supports remote monitoring and control, allowing for efficient energy management and accurate billing.
Tips: How to use a digital watt meter?
Thank you for buying industrial test and measurement equipment on SISCO.com, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.
SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.