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ThermoPro TP-30 Digital vs Lasergrip GM400 Infrared Thermometer Side-by-Side Comparison

The stand-out feature of the ThermoPro TP-30 is the variety of measurement modes it offers, which gives it excellent versatility. The Lasergrip GM400’s lack of these modes is a significant drawback.

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ThermoPro TP-30 Digital vs Lasergrip GM400 Infrared Thermometer

Overall Verdict

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The ThermoPro TP-30 stands out for its unique offering of a very wide range of measurement modes, making it suitable for various uses beyond just the kitchen. However, it has its drawbacks, like a fairly mediocre measurement accuracy and an uncomfortable grip.

On the other hand, the Lasergrip GM400, similar to the ThermoPro TP-30, also struggled to provide accurate results in our tests. It received a total performance score of 5.3, which is less accurate compared to the ThermoPro TP-30's score of 6.3. Furthermore, it has a simpler design and lacks the advanced features of the ThermoPro TP-30, making it a less appealing choice compared to the ThermoPro TP-30.

Pros & Cons

  • Relatively affordable
  • Bright laser emitter
  • The display panel is bright and does a good job of displaying data
  • Comes with a variety of measurement modes
  • Passable measurement performance in the hot test with cooking oil
  • One of the lightest IR thermometers in our database
  • Overall measurement accuracy is mediocre
  • Handling experience could be better
  • Poor measurement accuracy in the cold test with ice
  • Lackluster build quality
  • Dim laser emitter
  • Lack of extra measurement modes

Key Specs

Dimensions
L4.13 x W1.65 x H5.9
L4 x W1.57 x H6.3 inches
Weight
5 ounces
4.36 ounces
Display type
Backlit LCD panel
Backlit LCD panel
Measurement modes
3
0
Audio cues
No
Yes
Temperature range
-58°F to -1,022°F (-50°C to 550°C)
-58°F - 752°F (-50°C - 400°C)

Where to Buy

Price at publication
$22.92
$14.43

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Analysis and Test Results

Performance

Overall Performance Scoring
6.3
5.3

Cold Test with Ice

6.8
2.9
ThermoPro TP-30 Digital Infrared Thermometer Cold Test
The ThermoPro TP-30 is used to scan the temperature of an ice chest from 12 inches away. The screen reads 34.7°F.
The ThermoPro TP-30 is used to scan the temperature of an ice chest from 16 inches away. The screen reads 35.4°F.
Lasergrip GM400 Infrared Thermometer Cold Test
The Lasergrip GM400 measures the surface temperature of an ice chest from 12 inches away. The screen reads 38.3°F.
The Lasergrip GM400 measures the surface temperature of an ice chest from 16 inches away. The screen reads 39.2°F.
Ice Temperature
32°F
32°F
Temperature12
34.9°F
38.4°F
Temperature16
35.4°F
39.2°F

Hot Test with Cooking Oil

6.0
7.0
ThermoPro TP-30 Digital Infrared Thermometer Hot Test
The ThermoPro TP-30 is used to scan the temperature of boiling oil in a pan from 12 inches away. The screen reads 372.2°F.
The ThermoPro TP-30 is used to scan the temperature of boiling oil in a pan from 16 inches away. The screen reads 368.4°F.
Lasergrip GM400 Infrared Thermometer Hot Test
The Lasergrip GM400 measures the surface temperature of a pan of cooking oil from 12 inches away. The screen reads 370.5°F.
The Lasergrip GM400 measures the surface temperature of a pan of cooking oil from 16 inches away. The screen reads 364.4°F.
Oil Temperature
361°F
361°F
Temperature12
372.2°F
370.5°F
Temperature16
368.4°F
364.4°F

Design

Overall Design Scoring
7.9
6.1

In the Box

The ThermoPro TP-30 stands upright on its handle on a dark grey concrete table top. To its left are the shipping box and user manuals named “ThermoPro” in front.
The Lasergrip GM400 IR thermometer in its plastic packaging on a slate grey concrete table top.

Dimensions

The dimensions of the ThermoPro TP-30. The length is 4.13 inches, the width is 1.65 inches, and the height is 5.9 inches.
The dimensions of the Lasergrip GM400 IR thermometer. The length is 4 inches, the width is 1.57 inches, and the height is 6.3 inches.
Weight
5.0 oz (142 g)
4.3 oz (122 g)
Length
4.1" (10.5 cm)
4.0" (10.2 cm)
Width
1.6" (4.2 cm)
1.6" (4.0 cm)
Height
5.9" (15.0 cm)
6.3" (16.0 cm)

Build Quality

7.5
6.0
The Lasergrip GM400 IR thermometer on a dark grey concrete tabletop against a blurry blue background.

Laser Emitter

8.0
5.0
The single-dot, red laser produced by the laser emitter of the ThermoPro TP-30 IR thermometer.
The single-dot, red laser produced by the laser emitter of the ThermoPro TP-30 IR thermometer.
The laser emitter and the IR sensor of the ThermoPro TP-30 IR thermometer.
The single, red laser dot of the Lasergrip GM400 IR thermometer in a dark room.
The single, red laser dot of the Lasergrip GM400 IR thermometer in a dark room.
The laser emitter and the IR sensor of the Lasergrip GM400.
Laser Pattern
Single-dot
Single-dot
Brightness
Good
Bad

Display Panel

8.5
7.5
The ThermoPro TP-30 IR thermometer’s display with the backlight off (left) and on (right). The screen reads 84°F.
The ThermoPro TP-30’s display with the backlight off (left) and on (right)
The Lasergrip GM400 IR thermometer’s display with the backlight off (left) and on (right).
The Lasergrip GM400’s display with the backlight turned off (left) and on (right).
Display Type
Backlit LCD panel
Backlit LCD panel
Backlight
Yes
Yes
Display Size
1.18
1.18

Battery Compartment

The Lasergrip GM400 with its battery compartment opened. To its right is one AAA battery.
Battery Type
AAA
AAA

Usability

Overall Usability Scoring
5.0
4.3

Handling

7.0
7.0
The ThermoPro TP-30 IR thermometer in the white-gloved hand of a reviewer, who’s using it to measure the internal temperature of a toaster oven.
The ThermoPro TP-30 IR thermometer in the white-gloved hand of a reviewer, who’s using it to measure the internal temperature of a toaster oven.
The indented handle of the ThermoPro TP-30 IR thermometer being gripped by the white-gloved hand of a reviewer.
The white-gloved hand of a reviewer holding and using the Lasergrip GM400, with a finger on the trigger of the thermometer.
The white-gloved hand of a reviewer holding and using the Lasergrip GM400, with a finger on the trigger of the thermometer.
The ridges at the front of the Lasergrip GM400 IR thermometer.
The handle of the Lasergrip GM400, with the patterning at the front of the handle in view.

Measurement Modes

5.0
0.0
Emissivity
No
No
Average Mode
Yes
No
Min Mode
Yes
No
Max Mode
Yes
No
Calibration
No
No
Alarm Mode
No
No

Audio Cues

0.0
4.0