PMS - Model 670 - Pressure Chamber Instrument
From Pressure Chamber Instruments
Model 670 Pressure Chamber Instrument is unique in our instrument line due to the large chamber. The chamber is 4 inches in diameter and 7 inches deep. We only recommend this instrument if you are working with a large leaf since it takes a large amount of nitrogen to fill the chamber and makes working with smaller samples time consuming. If you are looking at making routine water measurements for scheduling deficit irrigation or explaining plant water relations and do not need this large chamber we recommend the Model 600. For extensive research projects you might consider a Model 1000 or Model 1505D due to the large range of operating pressure. The Model 670 can be connected directly to a Nitrogen Cylinder with 207 Bar/3000 PSI pressure.
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Products Details
This instrument comes standard with a Compression Gland Sealing System fitted with a 1/4 Inch Compression Gland Gasket and Insert. This gasket will seal samples from 1/4 inch diameter down to completely closed.
If you need other sealing options such as bladed grass or other semi-round sizes check our other options.
The instrument requires a nitrogen source. You can use it in a lab or green house with a large cylinder or buy our light-weight Portable Tank to allow for field work.
Instrument comes complete with: 1/4 Inch Compression Gland Sealing System, 5 Extra 1/4 Compression Gland Gaskets, 6 foot Filling Hose, 1 – Solid Lab Stopper for instrument testing. O-Ring lubricant and Lithium Grease, 11/32 inch wrench and 3/32 inch Allen Key for Control Valve Adjustment, Safety Glasses and a color Operating Instructions Manual.
Specifications
- Maximum Operating Pressure: 40 bar
- Chamber Construction: Anodized Aluminum
- Chamber Size: 4.0 Inch Dia x 7.0 Inch Depth
- Read-out: Bourdon Tube Gauge (Bar-PSI Scale)
- Size (L x W x H): 13 × 11 × 10 inches
- 33 × 28 × 24 centimeters
- Weight: 17 Lbs/ 7.6 Kg
- Gauge:
- 4.5” Diameter Gauge
- 0.5% accuracy
- 40 bar (4 Mpa) range
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