Mostly to seller: is there a published communication module data description so we can write our own code to read the usb module output? or, an sdk?

Note: amazon is showing this question on products that don't have Modbus. PZEM-014/016 is the module you want for PC only interface, PZEM-022 for display only.

For 240v install/Monitoring, instead of running a hot and neutral (black and white) to the display, can I run both black legs from 240v (120v + 120v)?

+1 what brycen says for United States 240V split phase service that uses 2 120V circuits. I clamped the coil over one of the hot legs and wired each hot leg to the load terminals on the meter. All measurements were accurate; amps, watts, volts, hertz, total power used, and power factor. I'm using this meter to monitor power supplied to a heating element for a brew kettle, which utilizes a Blichmann power controller to power the heating element. If you're using this for a similar purpose, wire the meter into the circuit BEFORE the power controller. Initially I wired it after the controller, which resulted in inaccurate readings..

does this work without having neutral wire? in many (old) houses in Saudi Arabia we use 2 x 110V = 220V, both live

yes, I have one in the us on 240volts. 2 hot wires, one to the terminal marked hot and the other hot to the terminal marked neutral and it has been working for over a year so far.

Can this meter be powered by 120v ac and used to read 220v ac for an air conditioning compressor?

As suggested, I bought two meters. Each is clamped over one leg of the power for the AC (120v+120v). I see current, volts and amps for each leg. Each meter is plugged into a standard 120v outlet. They are mounted in the garage on the wall opposite the breaker box (which is on the outside of the house.) Now I need a way to capture the information. I have an app that captures how often the AC blower fan comes on. I suppose if I get some averages of amperage used by the rest of the AC unit, under various outside temperatures, I can get a rough idea of how much power is being used.

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AC 80-260V 100A Hardwired Power Meter, LCD, Split-Core, Energy Monitor | Energy Monitor, for Generator, RV, Panel and Appliance Load, Split-Core Current Transformer, Hardwired

Product ID: 88551364

Details

Brand
MORNING GROUP
Color
Black
Item Weight
0.16 kg
Power Source
Corded
Style
1 Piece AC

⚡80-260V AC range

📊Multi-metric LCD display

🔋100A max current

KD 10.90

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Description

⚡ Power up your control—track every watt like a pro!

SMART SAFETY ALERTS - Visual overload alarm and power-off memory keep you informed and protected 24/7.
EFFORTLESS INSTALLATION - Split-core CT clamps on live wires—no cutting, no hassle, just snap & go.
PRECISION YOU CAN TRUST - 1.0 grade accuracy on a clear LCD for real-time troubleshooting and energy optimization.
ALL IN ONE POWER INSIGHT - Monitor voltage, current, wattage, kWh, frequency & power factor in one sleek panel.
VERSATILE VOLTAGE COMPATIBILITY - Works seamlessly with 80-260VAC circuits, perfect for home, RV, or light commercial use.

This hardwired AC power meter from MORNING GROUP offers real-time monitoring of voltage, current, wattage, energy consumption, frequency, and power factor via a clear LCD. Featuring a user-friendly split-core current transformer for easy installation without wire cutting, it supports 80-260V AC circuits up to 100A and 22,000W. With power-off memory and visual overload alerts, it’s ideal for generators, RVs, panels, and appliances, delivering precise 1.0 grade accuracy for professional-grade energy management.

Specifications

ASIN	B07JB9B2QL
Best Sellers Rank	#14,535 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Industrial Power Meters
Brand Name	MORNING GROUP
Color	Black
Compatible Devices	Standard AC Electrical Circuits (80-260V, 100A)
Customer Reviews	4.4 4.4 out of 5 stars (2,231)
Item Dimensions	3.42 x 0.95 x 1.85 inches
Item Weight	0.16 kg
Manufacturer	Wenzhou Morning Electronics Co., LTD
Maximum Operating Voltage	260 volts_of_alternating_current
Measurement Type	Ammeter, Multimeter, Voltmeter
Minimum Operating Voltage	80
Model	PZEM-022
Part Number	ekspqcmdyw1126t
Power Source	Corded Electric
Style Name	1 Piece AC 100A Meter(Split Core Transformer)
UPC	703931915688
Unit Count	1 Count

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KD 10.90

Duties & taxes included

In stock

Sold byAmazon KUWAITDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to KUWAIT.

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TrustScore 4.5 | 7,300+ reviews

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