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Pressure Chamber Products

PMS Instrument Company is the original equipment manufacturer of the “Scholander” Pressure Chamber better known as the “Pressure Bomb”. Browse pressure chamber instruments and related products.

Pressure Chambers for Agricultural Applications

Standard pressure chambers for routine plant water potential measurements.

Model 600 Pressure Chamber Instrument is an old favorite we have built for over 50 years.

Model 600D Pressure Chamber Instrument is our digital format of the Model 600.

Model 615 Pressure Chamber Instrument is a favorite for growers making routine water measurements.

Model 615D Pressure Chamber Instrument is our digital format of the Model 615.

Model 670 Pressure Chamber Instrument is unique in our instrument line due to the large chamber.

The Pump-Up Pressure Chamber gives users readings without relying on a source of compressed gas.

Pressure Chambers for Research & High Stress Applications

Advanced chambers designed for higher pressures, and specialized research.

The Model 1000 Pressure Chamber Instrument is an old favorite we have built for over 50 years.

Model 1505D Pressure Chamber Instrument is a digital 100-Bar instrument.

The Model 1505D-EXP Pressure Chamber Instrument is a combination instrument.

Model 1515D Pressure Chamber Instrument is a digital 100-Bar instrument.

Specialty Pressure Chambers

Specialty chambers made to switch between normal-sized samples and larger plant samples using one integrated pressure control system.

The Model 600-EXP Super Chamber gives researchers the flexibility to switch between normal-sized samples and larger plant samples using one integrated pressure control system.

Pressure Chambers Accessories

Pressure Chamber Accessories including components and tools that support plant water potential measurement.

Shop compression gland gaskets and inserts.

Shop a quick, easy, adjustable sealing system for easy sample introduction.

Designed for quick and easy sealing of bladed grasses. Corn too!

Keep a 7X field magnifier close at hand with a convenient neck lanyard.

Add hands-free magnification directly to your pressure chamber instrument.

Work more confidently with small samples and low-light conditions in the field.

Power gas operated pressure chamber instruments with a portable aluminum tank accessory.

Support continued field operation with an extra tank.

Equip your field workflow with reusable SWP bags built for repeated use.

Conserve nitrogen in the field and get more measurements from each tank.

Choose from multiple gasket sizes to support different sample sealing needs.

Speed employee training and reduce interpretation differences between users in the field.