---
product_id: 296559485
title: "R-TEK® Multipurpose Digital Multi Stem Thermometer with External Sensing Probe(Aquarium, Fridge, Machines)"
brand: "r-tek"
price: "$13.67"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/296559485-r-tek-multipurpose-digital-multi-stem-thermometer-with-external-sensing
store_origin: US
region: United States of America
---

# Customizable high/low temp alarm 30-second rapid readings 0.1°C precision resolution R-TEK® Multipurpose Digital Multi Stem Thermometer with External Sensing Probe(Aquarium, Fridge, Machines)

**Brand:** r-tek
**Price:** $13.67
**Availability:** ✅ In Stock

## Summary

> 🌡️ Precision that keeps you cool and in the know!

## Quick Answers

- **What is this?** R-TEK® Multipurpose Digital Multi Stem Thermometer with External Sensing Probe(Aquarium, Fridge, Machines) by r-tek
- **How much does it cost?** $13.67 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/296559485-r-tek-multipurpose-digital-multi-stem-thermometer-with-external-sensing)

## Best For

- r-tek enthusiasts

## Why This Product

- Trusted r-tek brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rapid 30-Second Readings:** Stay ahead with ultra-fast temperature updates—no more waiting around.
- • **Versatile External Probe:** Monitor aquariums, fridges, or machines with flexible external sensing.
- • **Extreme Temperature Range:** From -50°C to a scorching 300°C, built to handle any challenge.
- • **Pinpoint Accuracy at 0.1°C:** Trust every decimal with high-precision sensing for critical environments.
- • **Alert System with Beep Alarm:** Never miss a critical temp shift—custom alarms keep you in control.

## Overview

The R-TEK® Multipurpose Digital Multi Stem Thermometer delivers rapid 30-second temperature readings with a high-precision 0.1°C sensor. Designed for versatility, it features an external sensing probe suitable for aquariums, refrigerators, and machinery, operating reliably across an extreme temperature range from -50°C to 300°C. Its built-in alarm system alerts users to high or low temperature thresholds, ensuring proactive monitoring in any environment.

## Description

Multipurpose Digital Multi Stem Thermometer with External Sensing Probe(Aquarium, Fridge, Machines)

## Features

- ➤【FASTER READING】Faster readings than other similar-looking products. With high precision sensor.
- ➤Measurement Interval : 30 Second | Resolution 0. 1°C
- ➤Temperature for plastic casing: - -50 Degree Celsius to +300 degree Celsius or -58 degree Fahrenheit to +5782 degree Fahrenheit
- ➤Alarm beep sound at the high or low temperature limit

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | R-tek |
| Item model number | MULTI STEM |
| ASIN | B07GZGL2ND |

## Images

![R-TEK® Multipurpose Digital Multi Stem Thermometer with External Sensing Probe(Aquarium, Fridge, Machines) - Image 1](https://m.media-amazon.com/images/I/614NWLgmocL.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.us/products/296559485-r-tek-multipurpose-digital-multi-stem-thermometer-with-external-sensing](https://www.desertcart.us/products/296559485-r-tek-multipurpose-digital-multi-stem-thermometer-with-external-sensing)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-01-23*