Does this device measure frequency?

Hello~Nice day! Sorry to tell you that measurement function only includes voltage, current, active power and energy measurement. Hope this could help you, and thank you for your support!

Can this read 7.7 kw of power? I see the rated power is for 2.2kw but they mention the load can be over rated power.

Yes, but you might need to use an external current sensor. I think the 2.2 kW are in reference to the integrated shunt resistors. They have a limitation in terms of how much current they can take. The meter itself can read 7.7 kW just fine. We have been using it with 10 kW and more in our use case.

Where and how can I get the software to use it with a PC?

The easiest way use the pzem is by connecting it to a esp32/esp8266 or Arduino type board. You can then use the Arduino IDE software or Home Assistant/esphome to program and access the data being sent by the Pzem module

I have the ct placed on a single phase using around 8-10 amps, but the device is reading 80+ amps; anyone else have this problem? how to fix?

What code are you using? What byte (hex) are you receiving?

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⚡ Empower your energy insights with precision and style!

COMPACT LIGHTWEIGHT - Sleek 2.87 x 1.18 x 0.91 inch design fits effortlessly into any workspace.
PRECISION POWER METRICS - Track voltage, current, active power, and energy with pinpoint accuracy.
ROBUST CURRENT HANDLING - Supports up to 100A, perfect for high-demand electrical setups.
USER FRIENDLY ENERGY RESET - Convenient panel key lets you reset energy readings instantly.
SEAMLESS DATA COMMUNICATION - TTL serial interface enables easy integration and real-time monitoring.

The PZEM-004T is a compact, high-performance multimeter module designed for AC voltage ranges of 80-260V and currents up to 100A. It delivers comprehensive electrical parameter measurements including voltage, current, active power, and energy, featuring a TTL serial interface for easy data communication and a user-friendly energy reset function. Ideal for professionals seeking precise power monitoring in a sleek, modern form factor.

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Brand	Walfront
Power Source	Corded Electric
Style	Modern
Color	green, yellow
Item Weight	0.01 Kilograms
Item dimensions L x W x H	2.87 x 1.18 x 0.91 inches
Min. Operating Voltage	80 Volts (AC)
Specification Met	IEC 61010-1:2000-1
Measurement Type	Multimeter
UPC	736691419295
Manufacturer	Walfront
Part Number	Walfrontec37h6rs8d
Item Weight	0.352 ounces
Product Dimensions	2.87 x 1.18 x 0.91 inches
Item model number	Walfrontec37h6rs8d
Material	Metal plastic
Item Package Quantity	1
Batteries Included?	No
Batteries Required?	No

PZEM-004T Current Voltage Power Energy Multimeter Module AC 80-260V 100A with Current Transformer

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