Can the tc0521 use an external power source instead of batteries? what happens if i need to record using bluetooth past the expected 30 hr of battery?

Yes, you can use the USB slot to power it up for long time. You can use Bluetooth to transfer data to mobile phone and PC with our software

What size/kind of 9vdc plug it requires? standard 5.5mm x 2.1mm is a way too big?

Voltage 9 VDC ( 8-10VDC Max ). Plug diameter : 3.5mm

How long are the probes?

I don’t remember if it came with one, but most of the ones I have are about 3’ long. I use K-type thermocouple leads, K-type probe and a few other K-Type testing accessories with this device and it’s been pretty good so far.

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🔥 Stay ahead with PerfectPrime: Precision temp tracking that means business! 📈

CERTIFIED ACCURACY - Backed by NIST and National Measurement Laboratory calibration for trusted, professional-grade results.
MASSIVE DATA STORAGE - Store up to 16,000 readings internally—never miss a critical data point during your projects.
QUAD CHANNEL PRECISION - Simultaneously monitor K, J, E, T thermocouples for versatile industrial-grade temperature tracking.
RAPID RESPONSE ALERTS - Fast sampling rate with customizable temperature alarms ensures you’re always ahead of the curve.
SEAMLESS PC INTEGRATION - Real-time monitoring and data export via USB keeps your workflow smooth and analysis-ready.

The PerfectPrime TC0520 is a professional 4-channel thermocouple thermometer supporting K, J, E, and T types, featuring a 3.4-inch LCD, 16,000 data log capacity, and USB PC connectivity for real-time monitoring and data management. Certified for accuracy by NIST and NML, it offers fast sampling, temperature alarms, and adjustable auto power-off, making it an essential tool for precise temperature measurement in demanding environments.

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Brand	PerfectPrime
Model Number	TC0520
Product Dimensions	7.5 x 3 x 18 cm; 0.33 g
Color	black
Power Source	Battery Powered
Laser Class	Alarm, Timer
Are Batteries Included	No
Item Weight	0.33 g

PerfectPrime TC0520, 4-Channel Thermocouple Thermometer K, J, E, T Type Data Logger, USB PC Software Windows

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