When you're choosing a data acquisition recorder, the first question isn't just how much you want to spend-it's how much setup you want to accept. Do you need a complete logger that connects to a computer, or do you need a more capable system? This head-to-head compares the Pico Technology USB TC-08 Thermocouple Data Logger at $325 with the Keithley DAQ6510 at $1,600.
Quick verdict
For immediate logging tasks, the Pico TC-08 is the practical pick: it's a complete, ready-to-run kit. The Keithley DAQ6510 is a different kind of tool: a more capable system priced $1,275 higher. Choose the Pico for straightforward logging; choose the Keithley when you need a larger platform. The right choice depends on whether you want to start logging today or build a setup for more demanding measurements.
At a glance
| Feature | Pico Technology USB TC-08 | Keithley DAQ6510 |
| Listed price | USD 325.00 | USD 1,600.00 |
| Price bar | | |
| Condition | New - Open box | Used |
| Connectivity / slots | USB | 2 slots |
| Measurement role | Temperature and voltage | Data acquisition with DMM6500 multimeter |
Where each product wins
- The Pico TC-08 wins on ready-to-run completeness: you get everything in the box. For straightforward logging, that means fewer separate purchases and a shorter path to your first measurement.
- The Keithley DAQ6510 wins on system scope: it's built for a different class of work. When you outgrow a simple logger, this is the kind of instrument you move up to.
Product notes
Pico Technology USB TC-08 Thermocouple Data Logger (Model PP222) - New/Open Box
This is the more straightforward of the two. The TC-08 is an 8-channel thermocouple data logger that also measures low voltages up to ±70 mV, and it connects to a computer over USB with PicoLog software. The package includes the data logger unit, USB cable, software disc, installation guide, factory calibration certificate envelope, and original box, so you don't need to source accessories separately. The trade-off is the condition: it's listed as new open-box, meaning the outer packaging was opened for inspection, so if you need a factory-sealed product, this isn't it.
Keithley DAQ6510 Data Acquisition DMM6500 Multimeter System
This is the used option at the top of the price range. The DAQ6510 pairs data acquisition with a DMM6500 multimeter and has two slots, which puts it in a different category from a simple logger. If you're outfitting a bench and want a two-slot data acquisition system with multimeter functionality, the two-slot design is the main reason to consider it. The used condition is the trade-off, and buyers are responsible for customs and import charges, so the total outlay can exceed the listed price. It's a more substantial instrument than a simple logger, and you should choose it only when you need a system with slots.
How to choose
If your work happens mostly at a bench and you expect your measurement needs to grow, the extra capability of the Keithley is easier to justify. If you just need to capture signals now and want a low-friction setup, the Pico gets you there.
Final choice by use case
- Choose the Pico Technology USB TC-08 if your priority is a complete setup that's ready to use.
- Choose the Keithley DAQ6510 if your priority is measurement capability and you accept the buyer-paid customs charges.
