Mini Digital Hygrometer/Thermometer | Dual Display – Midwest Grow Kits

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Mini Digital Hygrometer/Thermometer

(10)
$599
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Compact all-in-one hygrometer/thermometer with dual LCD display, 5-second sampling, ±2% RH accuracy, and -58° to 158°F range. No probe needed; mounts inside any container.

🔥 71 purchased in the last 30 days
⭐ 500+ units sold

Description

The Mini Digital Hygrometer/Thermometer is a compact, all-in-one environmental monitor designed for reliable readings during both incubation and fruiting. It mounts easily to the side of any container and displays both temperature and humidity on a clear LCD screen, making it a great fit for bulk grows and tight spaces alike.

A long-time favorite among growers, this trusted model delivers accurate readings, a fast 5-second refresh rate, and effortless day-to-day use in any mycology or grow setup.

  • SamplingEvery 5 Sec
  • RH Accuracy±2%
  • Temp Range-58° to 158°F
  • Humidity Range10–99%
  • Weight0.6oz
  • No Probe
  • Dual Display
  • Fast 5-Sec Refresh
  • Battery Included
  • Side-Mount

Why Growers Choose This

  • Dual display — shows both temperature and humidity on one LCD screen
  • Wide temperature range — -58°F to 158°F
  • Wide humidity range — 10%–99% with ±2% accuracy
  • Compact dimensions — 1.89″ x 1.13″ x 0.6″
  • Lightweight — 0.6oz, won't disrupt delicate setups
  • Fast sampling — updates every 5 seconds for real-time readings
  • Easy mounting — fits inside grow containers, tubs, or tents

What's Included

  • 1× Mini Digital Hygrometer/Thermometer
  • 2× LR44 lithium batteries (included)

Specifications

Specification Detail
Temperature Range -58°F to 158°F
Humidity Range 10%–99% RH
Accuracy ±2% relative humidity
Sampling Period 5 seconds
Dimensions 1.89″ x 1.13″ x 0.6″
Weight 0.6oz
Power 2x LR44 lithium batteries (included)

How It's Used

  1. Mount the unit to the side of your grow container, tub, or tent.
  2. Let it acclimate for a few minutes after placing it.
  3. Check the dual LCD display for real-time temperature and humidity.
  4. Adjust misting, ventilation, or heating based on the readings.

Frequently Asked Questions

Does this need a probe or wiring?

No. It's a no-probe, all-in-one unit that mounts directly to the side of your container.

Does it show temperature and humidity at the same time?

Yes, it has a dual display that shows both readings together on one LCD screen.

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 monotub or greenhouse hygrometer?

This is a compact, no-probe unit that mounts flat against the side of a container. Our Custom Monotub Hygrometer/Thermometer is a push-in design for monotub side holes, and our Universal Greenhouse Hygrometer/Thermometer mounts through a cut panel hole with a twist-lock housing.