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S3000P SERIES LOW PRESSURE PNEUMATIC DEADWEIGHT TESTERS
Pneumatic Deadweight Tester primary Standard. Pressure / Vacuum
Ranges from Vacuum to 2000 psi.

S3000P Pneumatic Deadweight Testers.
Deadweight testers are the primary standard 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.


 

 

  • 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.
Available Models
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
S3011-4-P* 3 to 100 kPa
S3011-6-P* 30 to 1,000 mbar
S3011-8-P* 1 to 30 inHg
S3011-9-P* 30 to 760 mmHg
* -P indicates built-in pump optional
Air Operated - Dual PCU
Model# Pressure Range Vacuum Range
S3022-4-P* 1.5 to 100 kPa 3 to 100 kPa
S3022-6-P* 15 to 1,000 mbar 30 to 1,000 mbar
S3022-7-P* 5 to 400 inH2O 1 to 30 inHg
     
S3023-4-P* 3 to 200 kPa 3 to 100 kPa
S3023-6-P* 30 to 2,000 mbar 30 to 1,000 mbar
S3023-7-P* 12 to 800 inH2O 1 to 30 inHg
     
S3025-1-P* 0.2 to 35 bar 30 to 1,000 mbar
S3025-2-P* 0.2 to 35 kgf/cm2 30 to 760 mmHg
S3025-3-P* 3 to 500 psi 1 to 30 inHg
S3025-4-P* 20 to 3,500 kPa 3 to 100 kPa
S3025-5-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
S3031-1 1 to 70 bar
S3031-2 1 to 70 kgf/cm2
S3031-3 10 to 1,000 psi
S3031-4 100 to 7,000 kPa
S3031-5 0,1 to 7 MPa
   
S3032-1 4 to 140 bar
S3032-2 4 to 140 kgf/cm2
S3032-3 40 to 2,000 psi
S3032-4 400 to 14,000 kPa
S3032-5 0.4 to 14 MPa
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
S3011, S3012, S3013
S3022, S3023, S3025(V)		 Ceramic Martensitic steel 11 ppm/degC
S3014, S3015, S3025 (P)
S3031, S3032 (P & V)		 Tungsten carbide Martensitic steel 16.5 ppm/degC
S3016 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
S3012, S3022 Pressure
S3013, S3023 Pressure
S3014, S3015, S3025 Pressure
S3016, S3031, S3032
S3011, S3022, S3023
S3025 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
S3014, S3015, S3025 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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