36" Wired Probe Thermometer for Grow Tents & Fruiting Chambers – Midwest Grow Kits

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Mini Digital Thermometer With 36" Temperature Probe

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$399 $599
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Mini digital thermometer with a 36" wired probe, -58° to 158°F range, and ±1.0°F accuracy. Compact, 0.6oz, powered by 2 included LR44 batteries.

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⭐ 1,000+ units sold

Description

The Mini Digital Thermometer with 36" Temperature Probe lets you monitor internal temperatures with precision in bulk grows, fruiting chambers, and high-humidity tents. Mount the compact display outside your container and position the long, flexible probe exactly where temperature accuracy matters most — without exposing the display to moisture.

With a wide -58°F to 158°F range and ±1.0°F accuracy, this thermometer has been a trusted staple for growers dialing in fruiting conditions around the clock.

  • Probe Length36″
  • Temp Range-58° to 158°F
  • Accuracy±1.0°F
  • Weight0.6oz
  • Battery2x LR44
  • 36″ Wired Probe
  • Temperature Only
  • ±1.0°F Accuracy
  • Remote Display
  • Battery Included

Why Growers Choose This

  • 36" temperature probe — flexible probe lets you monitor temperature from inside your setup while keeping the display dry and accessible
  • Easy-to-read LCD display — temperature shown in Fahrenheit for simple, clear readings
  • Wide temperature range — measures from -58°F to 158°F with ±1.0°F accuracy
  • Compact size — external dimensions of 1.89″ x 1.13″ x 0.6″, LCD size 1.4″ x 0.66″
  • Lightweight design — weighs only 0.6oz for versatile placement
  • Battery included — powered by 2 LR44 lithium batteries, ready to use

What's Included

  • 1× Digital display unit with 36″ temperature probe
  • 2× LR44 lithium batteries (included)

Specifications

Specification Detail
Measures Temperature (Fahrenheit)
Temperature Range -58°F to 158°F
Accuracy ±1.0°F
Probe Length 36 inches, wired
External Dimensions 1.89″ x 1.13″ x 0.6″
LCD Size 1.4″ x 0.66″
Weight 0.6oz
Power 2x LR44 lithium batteries (included)

How It's Used

  1. Route the 36" probe into your fruiting chamber, bulk grow container, or tent.
  2. Mount or place the digital display outside the container where it stays dry.
  3. Read Fahrenheit temperature on the LCD at a glance.
  4. Adjust heating or ventilation based on the readings to keep temperature in range.

Frequently Asked Questions

Does this measure humidity as well as temperature?

This unit is a temperature-only gauge. If you also need humidity, check out our Mini Digital Hygrometer with 36" Wired Probe, which uses the same wired-probe design.

How accurate is the temperature reading?

It's accurate to ±1.0°F across a -58°F to 158°F range.

Does it come with batteries?

Yes, it's powered by 2 LR44 lithium batteries, included and ready to use.

How is this different from your other thermometers and hygrometers?

This model uses a 36" wired probe so the display can stay outside your grow space, and it reads temperature only. Our Custom Monotub Hygrometer/Thermometer and Mini Digital Hygrometer/Thermometer read both temperature and humidity from an all-in-one, no-probe unit.