Digital Power Meter BLOW Watomierz cyfrowy W3 — BLOW model 18937

BLOW Watomierz cyfrowy W3 — BLOW model 18937 is a compact digital power meter designed for monitoring electrical energy consumption of household appliances and small devices. The meter measures real-time power draw and cumulative energy usage, providing clear numerical readings that help users track consumption patterns and estimate operating costs. It is intended for simple plug-and-play use in residential settings where quick, on-site monitoring of voltage, current and power is needed.

Advantages

The device offers direct measurement of instantaneous power and accumulated energy, presented on an easy-to-read display. Its compact form factor and plug-in design allow immediate installation without tools or wiring changes. By delivering continuous consumption data, the meter supports practical energy management, enabling identification of high-draw appliances and more informed decisions about usage and efficiency. The unit is also suitable for temporary monitoring tasks thanks to its portability and straightforward operation.

Suitable for

• Monitoring electricity use of kitchen appliances, entertainment equipment and personal electronics
• Evaluating standby and idle power consumption of devices
• Estimating operating costs of heaters, fans and compressors
• Temporary energy audits and troubleshooting high-consumption devices

Key specifications

• Measurement functions: real-time power and cumulative energy consumption
• Display: numeric digital display for power (W) and energy (kWh)
• Input type: plug-in single-phase connection for residential outlets
• Suitable load range: intended for common household and small-appliance power levels
• Form factor: compact, portable housing designed for countertop or outlet use

How to use

Insert the power meter into a standard mains outlet, then plug the appliance to be measured into the meter’s socket. The device will begin measuring immediately, showing instantaneous power draw on the display and accumulating energy usage over time. For consistent readings, avoid using extension leads with multiple adapters between the meter and the appliance. Reset cumulative energy if you need to start a new measurement period, following the manufacturer’s instructions for clearing the counter.

Usage recommendations

Use the meter for short- to medium-term monitoring to collect representative usage data: measure appliances under typical operating conditions and at different times of day. Avoid exposing the device to moisture, extreme temperatures or mechanical shock. For safety, ensure the appliance and outlet ratings are within the meter’s intended load range before measurement.