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VVM301 - Digital DC Voltage Current Energy Sensor Module 100V 200A with Watt hour, Ampere hour, Serial UART Communication, Over-Current Detection, MODBUS Compatible
VVM301 - Digital DC Voltage Current Energy Sensor Module 100V 200A with Watt hour, Ampere hour, Serial UART Communication, Over-Current Detection, MODBUS Compatible
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Product Description
The VVM301 is a DC voltage, current and energy sensor module for microcontroller and data acquisition integration. It measures DC voltage up to 100 V and supports watt-hour and ampere-hour measurement, analog outputs and serial UART communication.
Hall effect current sensing uses a 9.0 mm conductor aperture without a shunt resistor or wire break. A 16 × 2 LCD can be connected to the module header if required; an LCD or panel enclosure is not specified as included. Modbus RTU slave operation requires an external TTL-to-RS485 converter.
Current rating pending manufacturer confirmation: the supplied datasheet heading specifies 200 A, while its feature list states ±100 A. It also names WCS1500 and WCS1600 in different sections. Verify the supplied hardware rating before use.
Product Specifications
| Model / version | VVM301 / v1.3 |
| DC voltage range | Up to 100 V |
| DC current rating | Unconfirmed: 200 A heading versus ±100 A feature list |
| Sensor chip | Unconfirmed: WCS1500 feature list versus WCS1600 description |
| Auxiliary supply | 7–12 V DC; 12 V maximum |
| Current sensitivity | 11 mV/A |
| Current equation | I = (Iout − 2.5) / 0.011 |
| Voltage sensitivity | 25 mV/V |
| Energy / capacity | Wh / Ah |
| Conductor aperture | 9.0 mm |
| Current isolation | 4000 V; voltage-input isolation not specified |
| Bandwidth | Greater than 20 kHz |
| Display support | Optional 16 × 2 LCD via 16-pin header |
| Baud rates | 9600, 19200, 38400, 57600, 115200 |
| Modbus | RTU slave via external TTL-to-RS485 converter |
| Slave ID | 1–247; default 1 |
| Registers | 40001–40002 voltage; 40003–40004 current; 40005–40006 Wh; 40007–40008 Ah; 32-bit floats |
| Over-current output | LOW on over-current, HIGH otherwise |
| Store / reset totals | S + Enter saves Wh/Ah; R + Enter resets |
| Dimensions | Not specified in supplied PDF |
Product Features
- DC voltage measurement up to 100 V
- Hall effect current sensing with 9.0 mm aperture
- Current rating pending confirmation: heading 200 A; feature list ±100 A
- Watt-hour and ampere-hour measurement
- Analog current output 11 mV/A; voltage output 25 mV/V
- UART with 9600 default baud; options up to 115200
- Modbus RTU via external TTL-to-RS485 converter
- Optional 16 × 2 LCD compatible; 16-pin header
- Adjustable over-current detection; active-low O/C output
- 4000 V current-measurement isolation; sensor bandwidth >20 kHz
Package Includes
- 1 × VVM301 DC voltage current energy sensor module
- LCD, enclosure, power supply and interface converters are not specified as included.
Frequently Asked Questions
What is the current rating of VVM301?
Does it include a display?
What supply and outputs does it use?
How is Modbus RTU supported?
How are totals saved and over-current detected?
Other Information
Warranty Information
1 Year Seller Warranty
This item is covered with a standard warranty of 1 year from the time of delivery against manufacturing defects only. This warranty is given for the benefit of TwoElectrons customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.
What Voids Warranty
If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.
Shipping & Returns Policy
Shipping Policy:
- In-stock items are delivered within 7-10 working days for orders within India. Delivery varies based on location and courier service.
- In-stock items are delivered within up to 20 working days for orders outside India. Delivery varies based on location and courier service.
- If the item is out of stock, you can still place an order. The estimated delivery time will be notified to you by email.
Return & Refund Policy:
- Return window: 7 days from receipt unless stated otherwise.
- No refunds or replacements after the return window.
- Returns are accepted only for non-working or damaged products.
- Initiate return requests from here: Return Request or contact us at 09831070550.
- Refunds are processed within 3-4 working days after inspection and approval.
Main Features
- DC voltage measurement up to 100 V
- Hall effect current sensing with 9.0 mm aperture
- Current rating pending confirmation: heading 200 A; feature list ±100 A
- Watt-hour and ampere-hour measurement
- Analog current output 11 mV/A; voltage output 25 mV/V
- UART with 9600 default baud; options up to 115200
- Modbus RTU via external TTL-to-RS485 converter
- Optional 16 × 2 LCD compatible; 16-pin header
- Adjustable over-current detection; active-low O/C output
- 4000 V current-measurement isolation; sensor bandwidth >20 kHz
SKU: 2EMK30011
₹ 1,683.00
For bulk orders, volume pricing & B2B enquiries, contact our team →
Lead time
| QUANTITY | DISPATCH |
|---|---|
| 1-10 units |
Order from India: 7-10 working days Order outside India: Up to 20 working days |
| 10+ units | To be negotiated |
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