HORIBA vs Testo:Which is more popular?
In September 2026, Testo had more branded searches than HORIBA among gas analyzer brands worldwide. Testo had about 135,000 branded searches, while HORIBA had 22,200. Testo made up 9.6% of all gas analyzer brand searches we track, and HORIBA accounted for 1.6%. When we asked ChatGPT and Google AI Overviews about gas analyzer brands, HORIBA and Testo each appeared in three of the five answers. HORIBA was mentioned before Testo in two out of three answers.
Who do people search for more?
Testo, about 6 searches for every 1 for HORIBA
Who does AI mention more?
Both were mentioned in 3 of 5 answers.
Who does AI recommend more?
HORIBA, named ahead of Testo in 2 of 3 answers
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Top gas analyzer brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, HORIBA was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Testo was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. HORIBA was listed before Testo in two out of three answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
ABB4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers- Testo3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- HORIBA3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Siemens2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
SICK2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Emerson2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Fluke0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about gas analyzer brands
5 answers
Asked ChatGPT
“Which gas analyzer brand should I buy?”
Asked ChatGPT
“What are the best gas analyzer brands?”
Asked ChatGPT
“What's the best gas analyzer brand for industrial testing?”
Searched Google, AI Overview
“portable gas analyzer”
- 1ABB
- 1
Searched Google, AI Overview
“flue gas analyser”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is HORIBA or Testo more popular in search?
This chart shows how often people search Google for HORIBA and Testo by name. Each line represents a brand's share of searches for all seven gas analyzer brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Testo, HORIBA. The figures are in the table below the chart.
View monthly share of searches table
| Month | Siemens | Testo | HORIBA | SICK | ABB | Emerson | Fluke |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 86.9% | 9.6% | 1.6% | 1.9% | <0.01% | <0.01% | <0.01% |
| Nov 2025 | 89.4% | 8% | 1.1% | 1.5% | 0.01% | <0.01% | <0.01% |
| Dec 2025 | 87.6% | 9.7% | 1.3% | 1.4% | 0.01% | <0.01% | <0.01% |
| Jan 2026 | 87% | 9.6% | 1.6% | 1.8% | 0.01% | <0.01% | <0.01% |
| Feb 2026 | 87.3% | 9.7% | 1.3% | 1.8% | 0.01% | <0.01% | <0.01% |
| Mar 2026 | 86.9% | 9.6% | 1.6% | 1.9% | <0.01% | <0.01% | <0.01% |
| Apr 2026 | 87% | 9.6% | 1.6% | 1.8% | 0.01% | <0.01% | <0.01% |
| May 2026 | 87.4% | 9.7% | 1.3% | 1.6% | 0.01% | <0.01% | <0.01% |
| Jun 2026 | 87.2% | 9.6% | 1.6% | 1.6% | <0.01% | <0.01% | <0.01% |
| Jul 2026 | 87.3% | 9.7% | 1.3% | 1.8% | 0.01% | <0.01% | <0.01% |
| Aug 2026 | 87.4% | 9.7% | 1.3% | 1.6% | 0.01% | <0.01% | <0.01% |
| Sep 2026 | 87.2% | 9.6% | 1.6% | 1.6% | 0.01% | <0.01% | <0.01% |
How has the HORIBA and Testo comparison changed over the last 12 months?
3 findings
- Testo was ahead of HORIBA in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, HORIBA’s share of searches among gas analyzer brands worldwide held steady at 1.6%, and its estimated monthly branded searches held steady at 22.2K.
- Across the 12 months ending September 2026, Testo’s share of searches among gas analyzer brands worldwide held steady at 9.6%, and its estimated monthly branded searches held steady at 135K.
How did search popularity change for gas analyzer brands worldwide in September 2026?
1 change
In September 2026, HORIBA rose from 4th to 3rd among gas analyzer brands worldwide.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using HORIBA’s and Testo’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
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