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Stem Water Potential Psychrometers Market Size, Share and Forecast 2026-2036

The global stem water potential psychrometers market is worth USD 23 mn in 2026 and is forecast to reach USD 49 mn by 2036, growing at a 8.0% CAGR. United States is the largest country market and Pressure chambers is the largest by instrument segment.

USD 23 mnMarket size 2026
USD 49 mnForecast 2036
8.0%CAGR 2026-2036
United StatesLargest country

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5 segmentation views25 countries2026 to 2036 yearly forecast

Market overview

The global stem water potential psychrometers market is worth USD 23 mn in 2026 and is forecast to reach USD 49 mn by 2036, growing at a 8.0% CAGR. United States is the largest country market and Pressure chambers is the largest by instrument segment.

ScopePsychrometers, thermocouple and pressure-chamber instruments used by growers and researchers to measure leaf and stem water potential in orchards, vineyards and field crops for irrigation scheduling.
IndustryTesting Equipment
Value 2025USD 21 mn
Value 2026USD 23 mn
Value 2036USD 49 mn
CAGR 2026-20368.0%
Volume 20263,423 units
Volume 20367,030 units
Average price 2026USD 6,595 per unit
Report priceStarts from USD 1,999
PublishedNovember 2026

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Stem Water Potential Psychrometers market size and forecast, 2026-2036

Exhibit 1The global stem water potential psychrometers market is forecast to grow from USD 23 mn in 2026 to USD 49 mn by 2036, more than doublingGlobal market value in USD: 2025 base year, 2026 estimate and forecast to 2036. CAGR 2026 to 2036: 8.0%
Stem Water Potential Psychrometers market value, 2025 to 2036Market value by year. 2025: USD 21 mn; 2026: USD 23 mn; 2027: USD 24 mn; 2028: USD 26 mn; 2029: USD 28 mn; 2030: USD 31 mn; 2031: USD 33 mn; 2032: USD 36 mn; 2033: USD 39 mn; 2034: USD 42 mn; 2035: USD 45 mn; 2036: USD 49 mn. Compound annual growth rate 2026 to 2036: 8.0%.202523 mn202633 mn203149 mn20368.0% CAGR

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

YearMarket value
2026USD 23 mn
2027USD 24 mn
2028USD 26 mn
2029USD 28 mn
2030USD 31 mn
2031USD 33 mn
2032USD 36 mn
2033USD 39 mn
2034USD 42 mn
2035USD 45 mn
2036USD 49 mn

Stem Water Potential Psychrometers market segmentation

By instrument

Exhibit 2Pressure chambers is the largest segment by instrument, with 46.0% of 2026 revenueEstimated share of 2026 global revenue, by instrument
Stem Water Potential Psychrometers market share by instrument, 2026Share of 2026 revenue by instrument. Pressure chambers: 46.0%; Stem psychrometers: 30.0%; Sensor loggers and accessories: 24.0%.Pressure chambers46.0%Stem psychrometers30.0%Sensor loggers and accessories24.0%

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Pressure chambers46.0%40.9%USD 10 mn6.7%
Stem psychrometers30.0%32.1%USD 6.8 mn8.8%
Sensor loggers and accessories24.0%26.9%USD 5.4 mn9.2%

By crop

Exhibit 3Vineyards adds the most revenue by crop, growing from USD 7.7 mn in 2026 to USD 17 mn by 2036Estimated revenue in USD by crop, 2026 and 2036 forecast
Stem Water Potential Psychrometers market by crop, 2026 and 2036Revenue by crop in 2026 and 2036. Vineyards: USD 7.7 mn in 2026, USD 17 mn in 2036, change +121%; Tree nuts and orchards: USD 7.2 mn in 2026, USD 16 mn in 2036, change +121%; Field and row crops: USD 4.5 mn in 2026, USD 9.5 mn in 2036, change +111%; Research: USD 3.2 mn in 2026, USD 6.3 mn in 2036, change +101%.20262036 forecastChangeVineyards+121%7.7 mn17 mnTree nuts and orchards+121%7.2 mn16 mnField and row crops+111%4.5 mn9.5 mnResearch+101%3.2 mn6.3 mn

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Vineyards34.0%34.7%USD 7.7 mn8.2%
Tree nuts and orchards32.0%32.7%USD 7.2 mn8.2%
Field and row crops20.0%19.5%USD 4.5 mn7.7%
Research14.0%13.0%USD 3.2 mn7.2%

By portability

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Handheld field52.0%48.0%USD 12 mn7.1%
Benchtop lab26.0%23.0%USD 5.9 mn6.7%
Continuous in-field sensors22.0%29.0%USD 5.0 mn11.0%

By customer type

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Commercial growers55.0%54.0%USD 12 mn7.8%
Agronomy and advisory firms25.0%26.0%USD 5.6 mn8.4%
Research bodies20.0%20.0%USD 4.5 mn8.0%

By sales channel

SegmentShare 2026Share 2036Value 2026CAGR 2026-36
Direct34.0%32.0%USD 7.7 mn7.3%
Distributors48.0%46.0%USD 11 mn7.5%
Online18.0%22.0%USD 4.1 mn10.2%

Top 25 countries for stem water potential psychrometers by revenue

Countries are ranked by revenue earned from sales in the country, not by where the product is made. The ten largest hold 90.0% of 2026 revenue and the 25 countries below together hold 97.2%.

Exhibit 4United States is the largest country market at USD 8.1 mn in 2026, and the three largest countries hold 56.0% of global revenueEstimated 2026 revenue in USD and share of the global market, ten largest countries
Stem Water Potential Psychrometers market, ten largest countries in 2026Ten largest countries by 2026 revenue. United States: USD 8.1 mn, 36.0%; Australia: USD 2.5 mn, 11.0%; Spain: USD 2.0 mn, 9.0%; France: USD 1.6 mn, 7.0%; Italy: USD 1.6 mn, 7.0%; Chile: USD 1.1 mn, 5.0%; China: USD 1.1 mn, 5.0%; Israel: USD 0.90 mn, 4.0%; South Africa: USD 0.68 mn, 3.0%; Argentina: USD 0.68 mn, 3.0%.United States8.1 mn 36.0%Australia2.5 mn 11.0%Spain2.0 mn 9.0%France1.6 mn 7.0%Italy1.6 mn 7.0%Chile1.1 mn 5.0%China1.1 mn 5.0%Israel0.90 mn 4.0%South Africa0.68 mn 3.0%Argentina0.68 mn 3.0%

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

#CountryValue 2026Share 2026Value 2036CAGR 2026-36
1United StatesUSD 8.1 mn36.0%USD 18 mn8.0%
2AustraliaUSD 2.5 mn11.0%USD 5.1 mn7.5%
3SpainUSD 2.0 mn9.0%USD 4.4 mn8.0%
4FranceUSD 1.6 mn7.0%USD 3.3 mn7.5%
5ItalyUSD 1.6 mn7.0%USD 3.3 mn7.5%
6ChileUSD 1.1 mn5.0%USD 2.5 mn8.4%
7ChinaUSD 1.1 mn5.0%USD 2.9 mn10.0%
8IsraelUSD 0.90 mn4.0%USD 2.0 mn8.5%
9South AfricaUSD 0.68 mn3.0%USD 1.5 mn8.0%
10ArgentinaUSD 0.68 mn3.0%USD 1.5 mn8.0%
11GermanyUSD 0.17 mn0.7%USD 0.33 mn7.1%
12PortugalUSD 0.16 mn0.7%USD 0.32 mn7.2%
13ColombiaUSD 0.15 mn0.7%USD 0.36 mn9.2%
14New ZealandUSD 0.14 mn0.6%USD 0.28 mn7.1%
15MexicoUSD 0.13 mn0.6%USD 0.32 mn9.2%
16TurkeyUSD 0.12 mn0.6%USD 0.30 mn9.3%
17GreeceUSD 0.12 mn0.5%USD 0.23 mn7.1%
18PeruUSD 0.11 mn0.5%USD 0.26 mn9.3%
19CanadaUSD 99 thousand0.4%USD 0.20 mn7.2%
20BrazilUSD 93 thousand0.4%USD 0.22 mn9.0%
21JapanUSD 84 thousand0.4%USD 0.17 mn7.1%
22MoroccoUSD 74 thousand0.3%USD 0.18 mn9.2%
23UruguayUSD 68 thousand0.3%USD 0.13 mn6.9%
24HungaryUSD 59 thousand0.3%USD 0.14 mn9.2%
25NetherlandsUSD 50 thousand0.2%USD 0.10 mn7.5%
Rest of worldUSD 0.63 mn2.8%USD 1.2 mn6.8%
Exhibit 5United States and Australia account for 46% of the USD 26 mn the market is forecast to add by 2036Forecast revenue added between 2026 and 2036 by country, in USD
Stem Water Potential Psychrometers market, where the growth to 2036 comes fromRevenue added between 2026 and 2036. Market value 2026: USD 23 mn. United States: +USD 9.4 mn; Australia: +USD 2.6 mn; Spain: +USD 2.4 mn; China: +USD 1.8 mn; France: +USD 1.7 mn; 20 other countries: +USD 7.7 mn; Rest of world: +USD 0.59 mn. Market value 2036: USD 49 mn.Market value 202623 mnUnited States+9.4 mnAustralia+2.6 mnSpain+2.4 mnChina+1.8 mnFrance+1.7 mn20 other countries+7.7 mnRest of world+0.59 mnMarket value 203649 mn

Source: Compare Market Research analysis.
© 2026 Compare Market Research. All rights reserved.

Competitive landscape

Group 1: Global leaders

  • METER Group
  • PMS Instrument
  • ICT International
  • Campbell Scientific

Group 2: Regional and specialist players

  • Elitech Group
  • Delta-T Devices
  • Soilmoisture Equipment Corp
  • Dynamax
  • Apogee Instruments
  • Phytech

Group 3: Emerging and niche players

  • Skye Instruments
  • Saturas
  • Fytagoras
  • ZIM Plant Technology

Research methodology

Every figure on this page comes from the research framework that we apply to all of the markets we cover. The 2025 base for the stem water potential psychrometers market is built from the volume sold and the price that buyers pay, and is cross-checked against the size of the wider industry the market belongs to. Where a market can be sized in more than one way, the routes are compared before a figure is set.

The forecast runs year by year from the 2025 base to 2036. Growth in each year reflects demand from the industries that buy the product, adoption of new technology, pricing, regulation and replacement cycles. Volume and price are modelled together, so revenue in each year equals volume multiplied by average price. The 2026 to 2036 compound annual growth rate of 8.0% is calculated from the resulting values.

The market is divided by instrument, by crop, by portability, by customer type, by sales channel. The 25 largest countries are ranked by revenue earned from sales to buyers in each country, not by where the product is made. Segment values and country values add up to the market total in every year, and every report is checked for consistency before it is published.

Companies are placed in three groups: global leaders, regional and specialist players, and emerging and niche players. The groups describe how companies compete in the market. They are not a ranking and they are not market shares.

Our analysts also carry out primary research. Customized reports add interviews with key opinion leaders, such as senior executives, technical specialists and buyers, to test the assumptions behind the numbers for the question being asked.

Read the full research methodology

Frequently asked questions

How big is the stem water potential psychrometers market?

The global stem water potential psychrometers market is estimated at USD 21 mn in 2025 and USD 23 mn in 2026.

How fast will the stem water potential psychrometers market grow?

It is forecast to reach USD 49 mn by 2036, a compound annual growth rate of 8.0% from 2026, an increase of USD 26 mn.

Which country is the largest market for stem water potential psychrometers?

United States is the largest market by revenue at USD 8.1 mn in 2026, 36.0% of the global total. The three largest countries together hold 56.0%.

Which country is growing fastest?

Among the ten largest markets, China is growing fastest at 10.0% a year from 2026 to 2036.

Which stem water potential psychrometers segment is largest?

In the by instrument split, Pressure chambers is the largest segment with 46.0% of 2026 revenue.

Who are the leading stem water potential psychrometers companies?

Global leaders include METER Group, PMS Instrument, ICT International, Campbell Scientific.

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