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PNEUMATIC DEADWEIGHT TESTER

P3000 Pneumatic Deadweight Testers.
Pneumatic Deadweight testers are the primary standards for pressure measurements.
Utilizing the well proven piston-gauge system, consisting of a vertically mounted, precision lapped piston and cylinder assembly, accurately calibrated weight masses (Force) are loaded on the piston (Area), which rises freely within its cylinder.
These weights balance the upward force created by the pressure within the system.
The pressure is measured when placed on a correctly spinning and floating piston.
The total pressure measured is the summation of the weights plus the piston weight carrier assembly.

Pneumatic Deadweight Tester
 
Pneumatic Deadweight Tester
Our Price: Contact us for pricing
Phone: 253-927-6186
866-318-6186
Fax: 253-927-6189
email: sales@hotektech.com

  • Pressure ranges from Vacuum through 2,000 psi (140 bar)

  • Accuracy better than 0.015% of reading. (Increased accuracy option of 0.008%.)

  • Gas operated with optional hand pumps

  • Dual vacuum/pressure models available

  • Psi, bar, kgf/cm², kPa and MPa ranges available

The Pneumatic Deadweight Tester, DWT can be leveled by means of four adjustable feet and a spirit level.
The set of non-magnetic weights is conveniently stored on the case and the tester comes complete
with a set of "quick-fit" adaptors and seals for easy mounting of the items under test to the
Deadweight Tester.

Pneumatic Deadweight Testers
S3000P Single Pressure Models

Air Operated - Single PCU

Air Operated - Single PCU
Model# Pressure Range Model# Pressure Range
S3012-4-P 1.5 to 100 kPa S3015-1-P* 0.2 to 35 bar
S3012-6-P 15 to 1,000 mbar S3015-2-P* 0.2 to 35 kgf/cm2
S3012-7-P 5 to 400 inH2O S3015-3-P* 3 to 500 psi
    S3015-4-P* 20 to 3,500 kPA
S3013-4-P 3 to 200 kPa S3015-5-P* 0.02 to 3.5 MPa
S3013-6-P 30 to 2,000 mbar    
S3013-7-P 12 to 800 inH2O S3016-1-P 1 to 70 bar
    S3016-2-P 1 to 70 kgf/cm2
S3014-1-P 0.2 to 10 bar S3016-3-P 10 to 1000 psi
S3014-2-P 0.2 to 10 kgf/cm2 S3016-4-P 100 to 7000 kPa
S3014-3-P 3 to 150 psi S3016-5-P 0.1 to 7 MPa
S3014-4-P 20 to 1,000 kPA    
S3014-5-P 0.02 to 1 MPa    
* -P indicates built-in pump optional
S3000 Vacuum and Dual Vacuum / Pressure Models
Vacuum Operated - Single PCU
Model# Vacuum Range
P3011-4-P* 3 to 100 kPa
P3011-6-P* 30 to 1,000 mbar
P3011-8-P* 1 to 30 inHg
P3011-9-P* 30 to 760 mmHg
* -P indicates built-in pump optional
Air Operated - Dual PCU
Model# Pressure Range Vacuum Range
P3022-4-P* 1.5 to 100 kPa 3 to 100 kPa
P3022-6-P* 15 to 1,000 mbar 30 to 1,000 mbar
P3022-7-P* 5 to 400 inH2O 1 to 30 inHg
     
P3023-4-P* 3 to 200 kPa 3 to 100 kPa
P3023-6-P* 30 to 2,000 mbar 30 to 1,000 mbar
P3023-7-P* 12 to 800 inH2O 1 to 30 inHg
     
P3025-1-P* 0.2 to 35 bar 30 to 1,000 mbar
P3025-2-P* 0.2 to 35 kgf/cm2 30 to 760 mmHg
P3025-3-P* 3 to 500 psi 1 to 30 inHg
P3025-4-P* 20 to 3,500 kPa 3 to 100 kPa
P3025-5-P* 0.02 to 3.5 MPa 3 to 100 kPa
* -P indicates built-in pump optional
S3000 Liquid Lubricated Gas Operated Models
Model# Pressure Range
P3031-1 1 to 70 bar
P3031-2 1 to 70 kgf/cm2
P3031-3 10 to 1,000 psi
P3031-4 100 to 7,000 kPa
P3031-5 0,1 to 7 MPa
   
P3032-1 4 to 140 bar
P3032-2 4 to 140 kgf/cm2
P3032-3 40 to 2,000 psi
P3032-4 400 to 14,000 kPa
P3032-5 0.4 to 14 MPa
Pneumatic Deadweight Tester Specifications

Accuracy*

±0.015% of reading (±0.008% optional)

*Accuracy based on % of reading from 10% to 100% of the piston range when used in accordance with the corrections found on the calibration certificate. Below 10% ± (accuracy class) x 10% of the piston range.
Mass and PCU Materials of Construction
Standard weight material Series 3 non-magnetic austenitic stainless steel
Weight density 7.8 g/cm3
Optional fractional weights Solution heat treated aluminum
Weight density 2.7 g/cm3
 
Model Piston Material Cylinder Material Coefficient of
Expansion
P3011, P3012, P3013
P3022, P3023, P3025(V)		 Ceramic Martensitic steel 11 ppm/degC
P3014, P3015, P3025 (P)
P3031, P3032 (P & V)		 Tungsten carbide Martensitic steel 16.5 ppm/degC
P3016 Tungsten carbide Tungsten carbide 11 ppm/degC
 
General
Test Port Adaptors 1/8, 1/4, 3/8 and 1/2 NPT or BSP
Instrument weight 24 lbs
Instrument size 17.5W x 12 D x 8.5 H
Mass set weight (typical) 65 lbs
Weight Increments
Minimum Standard Weight Increments
P3012, P3022 Pressure
P3013, P3023 Pressure
P3014, P3015, P3025 Pressure
P3016, P3031, P3032
P3011, P3022, P3023
P3025 Vacuum		 1 inH2O, (5 mbar)
2 inH2O, (10 mbar)
1 psi, (0.1 bar)
1 psi, (0.1 bar)
0.2 inHg, (10 mbar)
0.2 inHg, (10 mbar)
Optional Fractional Weights
P3014, P3015, P3025 Pressure 0.1 psi (0.01 bar)

Built-in Hand Pumps
Pressure mode: max pressure 300 psi (20 bar)
Vacuum mode: to 90% vacuum

Operating Fluid for Liquid Lubricated Models
55-655 mineral oil (standard)
Krytox, for oxygen-safe applications (optional)

Please email sales@hotektech.com or call 253-927-6186 if you are interested in a purchase, or
  need additional information.

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