
PCM307 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $134.96 | Condition is Used, Protek Model 307 Power Clamp Meter RS232 Interface True RMS 1000A w/ Leads & Bag, FREE SHIPPING | ![]() |

The Protek PCM307 is a versatile and powerful clamp meter designed for electrical professionals and technicians. This clamp meter boasts an impressive current measurement range of 1000 Amps, making it suitable for use in various industries such as automotive, industrial, and electrical.
The PCM307 comes with a PC interface (RS232) which allows for easy data logging and analysis using Protek's free software. This feature is particularly useful for monitoring and recording electrical data over extended periods, providing valuable insights for troubleshooting and maintenance.
This clamp meter also includes a high-resolution backlit LCD display that shows clear and accurate readings, even in low-light conditions. The large digits and bar graph make it easy to read and interpret the data, ensuring that you always have an up-to-date understanding of the electrical current flowing through your circuits.
The Protek PCM307 comes with a rugged and durable design, making it perfect for use in challenging environments. The meter is encased in a protective rubber housing, providing excellent shock and impact resistance. Additionally, the meter is waterproof, ensuring that it can withstand moisture and humidity.
This clamp meter includes a set of test leads and a carrying bag in the package, allowing you to take it with you on the go. The leads are of high quality and are color-coded for easy identification, ensuring safe and accurate measurements every time.
The Protek PCM307 is a must-have tool for anyone requiring accurate and reliable current measurements in their electrical work. With its wide measurement range, RS232 interface, rugged design, and included accessories, this clamp meter offers excellent value for money.
The Protek PCM307 is a 1000A clamp meter with an RS232 interface. Here are some pros and cons that may help you make a decision about purchasing this device:
Pros:1. High current capacity: The Protek PCM307 can measure current up to 1000A, making it suitable for use in heavy industrial applications.
2. RS232 interface: This feature allows the device to be connected to a computer for data logging and analysis, which can be useful for monitoring and diagnosing complex electrical systems.
3. Backlit display: The display screen is backlit, making it easier to read in low light conditions.
4. Overload protection: The device has overload protection that disconnects the test leads when the current exceeds the rated capacity, preventing damage to the meter.
5. Rugged design: The Protek PCM307 has a rugged design that can withstand harsh environments and is waterproof and dustproof.
Cons:1. Complex setup: Setting up the RS232 interface and data logging software can be time-consuming and may require some technical expertise.
2. Size and weight: The device is larger and heavier than some other clamp meters on the market, which may make it less portable for some users.
3. Price: The Protek PCM307 is more expensive than some other clamp meters without the RS232 interface, which may be a consideration for some buyers.
In conclusion, the Protek PCM307 is a high-performance clamp meter with a useful RS232 interface that makes it suitable for monitoring and analyzing complex electrical systems. However, its complex setup, size, weight, and higher price may make it less appealing to some buyers. Ultimately, the decision to purchase the Protek PCM307 depends on the specific needs of the user and their budget.
If you require a clamp meter for heavy industrial applications with data logging capabilities, the Protek PCM307 may be a good investment. However, if you don't need the RS232 interface or prefer a more portable and affordable device, there are other clamp meters on the market that may better suit your needs.
Details:
Purchase includes rs232 interface disc and cable, leads with attachable lead clamps, original manual soft carry case w/ belt loop. Unit is in great preowned cosmetic condition and has been fully inspected checked to ensure proper function. Unit may show some light signs of prior use and ownership or wear but is in overall very good, ready for condition. Photos show the exact unit and contents you'll be receiving if purchased.
Unit requires a 9v battery for display, not included. Protek model 307 power clamp meter rs232 interface true rms 1000A w/ leads bag.
specifications testmultimeters:
- brand: Protek
- mpn: Pcm307
- part type: Clamp Meter Interface Bag
- measurement category: Cat Iii
- form factor: Handheld
- test/measurement functions: Ac Current, Ac Voltage, Capacitance, Continuity Test, Dc Current, Dc Voltage
- maximum input voltage: 600v
- features: Clamp, True Rms, Rs232 Interface
- country of origin: Taiwan
- display: Digital
seller testmultimeters:
- city: new port richey, florida
- # reviews: 4521
- rating: 99.9%
shipping testmultimeters:
- class: standard
- type: fixed
- service: usps ground advantage
- transit: 4-9 days
- carrier: usps
offer testmultimeters:
- started: march 5, 2026
- sold #: 8
- options: ship-to-home
- in stock #: 1
- best offers: true
- price: $134.96
- item condition: Used
- availability: in stock
returns testmultimeters:
- method: money back
- time: 30 days
- policy: returns accepted
- paid by: seller
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
payments testmultimeters:
- credit card: diners-club
- wallet: apple-pay
- other

