PicoLog TC-08
Data Loggers8-channel USB thermocouple data logger, the PicoLog TC-08 records up to 8 thermocouples (B, E, J, K, N, R, S, T) at 20-bit resolution from −270 °C to +1820 °C, USB-powered, with free PicoLog 6 software. Available in India from GSAS Micro Systems, the authorized Pico Technology engineering partner, with calibration, demos and GST invoicing.
Channels
8 thermocouple + CJC (up to 160 via 20 units)
Resolution
20-bit (16.25-bit noise-free)
TC Types
B, E, J, K, N, R, S, T
Temperature Range
−270 °C to +1820 °C (type dependent)
Accuracy
Sum of ±0.2% of reading and ±0.5 °C
Sampling
Up to 10 measurements/sec
Power
USB 2.0 bus-powered
Software
Free PicoLog 6 (Win/Mac/Linux/Pi)
Overview
About PicoLog TC-08
The PicoLog TC-08 from Pico Technology is an 8-channel USB thermocouple data logger that connects directly to a PC and records up to eight thermocouples at once, plus a ninth ambient channel from its built-in cold junction compensation (CJC) sensor. It supports all commonly used thermocouple types (B, E, J, K, N, R, S, T) at 20-bit resolution, measures from −270 °C to +1820 °C depending on the thermocouple, and draws all its power over USB, so no external supply is needed. With free PicoLog 6 / PicoLog Cloud software and a free SDK, it is a low-cost, high-resolution temperature data logger for thermal validation, process monitoring and environmental testing.

An 8-channel thermocouple data logger that scales to 160 channels
Each of the eight miniature thermocouple connectors accepts standard thermocouple plugs, so existing sensors connect without adaptors or custom wiring. A single TC-08 logs 8 thermocouples + CJC, and you can run up to 20 TC-08 units on one PC for a maximum of 160 thermocouple channels: all controlled from one PicoLog 6 interface and viewable on up to four independent Y-axes. That makes the TC-08 a practical 8-channel data logger for small benches that needs to grow into a large thermal-validation rig without changing software or workflow.
Fast, high-resolution temperature data logging
The short conversion time, 100 ms per thermocouple channel plus 100 ms for CJC: lets the TC-08 take up to 10 temperature measurements per second, while the 20-bit resolution (16.25-bit noise-free) detects minute temperature changes. For Type K thermocouples it maintains better than 0.025 °C resolution over a −250 to +1370 °C range. Temperature accuracy is the sum of ±0.2% of reading and ±0.5 °C, and voltage accuracy is the sum of ±0.2% of reading and ±10 µV, quoted over a 20 to 30 °C ambient, making this a genuinely high-accuracy temperature data logger rather than a basic recorder.
PicoLog TC-08 specifications
| Feature | Specification |
|---|---|
| Channels (single unit) | 8 thermocouple inputs + CJC |
| Maximum channels (up to 20 units) | 160 |
| Resolution | 20-bit (16.25-bit noise-free) |
| Thermocouple types | B, E, J, K, N, R, S, T |
| Overall temperature range | −270 °C to +1820 °C (type dependent) |
| Temperature accuracy | Sum of ±0.2% of reading and ±0.5 °C |
| Voltage accuracy | Sum of ±0.2% of reading and ±10 µV |
| Conversion time | 100 ms per channel + 100 ms for CJC |
| Maximum sampling rate | Up to 10 measurements per second |
| Input range (voltage) | ±70 mV |
| Input impedance | 2 MΩ |
| Overvoltage protection | ±30 V |
| Maximum common-mode voltage | ±7.5 V |
| Cold junction | Built-in CJC (usable as 9th channel) |
| Input connectors | Miniature thermocouple |
| Connectivity | USB 2.0, Type B (bus-powered) |
| Dimensions | 201 × 104 × 34 mm |
| Operating temperature | 0 °C to 50 °C (20–30 °C for quoted accuracy) |
| Software | Free PicoLog 6 / PicoLog Cloud (Windows, macOS, Linux, Raspberry Pi OS) |
| SDK | Free PicoSDK, C, C++, C#, Visual Basic .NET; example code for Excel, LabVIEW, MATLAB |
| Warranty | 5 years (standard Pico Technology) |
Per-thermocouple-type temperature ranges
The actual measurable range depends on the thermocouple type fitted. The figures below are taken directly from the official Pico Technology datasheet:
| Type | Overall range (°C) | 0.1 °C resolution | 0.025 °C resolution |
|---|---|---|---|
| B | 20 to 1820 | 150 to 1820 | 600 to 1820 |
| E | −270 to 910 | −270 to 910 | −260 to 910 |
| J | −210 to 1200 | −210 to 1200 | −210 to 1200 |
| K | −270 to 1370 | −270 to 1370 | −250 to 1370 |
| N | −270 to 1300 | −260 to 1300 | −230 to 1300 |
| R | −50 to 1760 | −50 to 1760 | 20 to 1760 |
| S | −50 to 1760 | −50 to 1760 | 20 to 1760 |
| T | −270 to 400 | −270 to 400 | −250 to 400 |
Watch the PicoLog TC-08 introduction
Free PicoLog 6 and PicoLog Cloud software
PicoLog 6 is a complete, free data-acquisition package for the TC-08 with real-time graphing, configurable alarms (threshold, disconnection or custom logic expressions), math channels, and export to CSV or PDF, running on Windows, macOS, Linux and Raspberry Pi OS. PicoLog Cloud adds free streaming of live captures to a secure online store, so you can view and export data from any browser or smartphone anywhere in the world. The free PicoSDK lets engineering teams build custom interfaces in C, C++, C# and Visual Basic .NET, with example code for Excel, LabVIEW and MATLAB. There are no per-channel or licensing fees, and technical support and software updates are free for the life of the product.
Applications
The TC-08’s eight channels, wide thermocouple range and high resolution suit it to:
- Thermal validation and characterisation: multi-point temperature profiling of PCBs, enclosures and assemblies during design verification.
- Oven, reflow and furnace profiling: capturing fast thermal transients across multiple zones with up to 10 readings per second.
- Environmental chamber and HALT/HASS monitoring: logging chamber and DUT temperatures over long soak tests.
- HVAC and refrigeration system monitoring: multi-channel temperature logging for performance and energy studies.
- Process and plant temperature monitoring: scalable to 160 channels for larger rigs by running up to 20 units on one PC.
- Research and laboratory temperature logging: high-resolution, traceable data with free analysis software.
PicoLog TC-08 price in India: buy from GSAS Micro Systems
GSAS Micro Systems is the authorized Pico Technology engineering partner in India. We supply the PicoLog TC-08 thermocouple data logger together with thermocouple selection guidance, the optional single-channel terminal board for voltage and current inputs, hands-on demonstrations, GST-compliant quotations, calibration with maintained traceability and post-sales application support. Thermal-test, R&D, quality and production teams across Bengaluru, Hyderabad, Chennai, Pune, Mumbai and Delhi NCR rely on GSAS for fast access and local support. Contact GSAS or request a quote to get the PicoLog TC-08 price in India and order with delivery nationwide.
Videos
PicoLog TC-08 in Action
PicoLog 6: Getting Started with TC-08 in Under 60 Seconds
PicoLog Cloud Data Logging Software
Blog
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Common questions about PicoLog TC-08
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