---
lang: "en"
title: "TZ-BT05B: Bluetooth temperature data logger (with external sensor)"
sku: "TZ-BT05B"
canonical_url: "https://shop.marcomweb.it/en/datalogger/tz-bt05b-bluetooth-temperature-data-logger-with-external-sensor"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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TZ-BT05B: Bluetooth temperature data logger (with external sensor)

TZ-BT05 is a low-power Bluetooth data logger, using the latest Bluetooth 4.1 technology, the development of Nordic's NRF51822 chip, and design, it can collect the surrounding environment's temperature and record and store historical data, it can store up to 12000 pieces of temperature data, Bluetooth 4.0 can be downloaded to the phone APP, to achieve full-stage real-time temperature recording. It has small size, is lightweight, easy to carry, has high accuracy, and other features, widely used in various other fields of refrigerated storage and transport, archives, experimental (test) rooms, museums and other temperature tests.

 

## Technical Features

- 2.400 - 2.4835GHz frequency signal transmission
- Bluetooth 4.1 protocol
- GFSK modulation
- 10S transmission interval, adjustable
- Internal CR2450 battery, 62OrnAh/3V
- Output power -4dBm, adjustable
- Maximum transmission distance 55 meters (4dbm)
- Storage can store 12000 pieces of data
- Battery life 3 years (depends on working mode, battery can be replaced)
- Net weight 25g
- Dimension 66mm*48mme10mm
- Temperature operating range -25°C-+60°C
- Temperature detection accuracy ±-0.5t (-20°C-+40°C), 1°C (other temperature)

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Source: https://shop.marcomweb.it/en/datalogger/tz-bt05b-bluetooth-temperature-data-logger-with-external-sensor

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.