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Pressure range: 5kPa ~ 250kPa
Accuracy: 0.02% of reading
Mass: 12.5kg
Piston and cylinder material: Tungsten Carbide
Mass material: 304 stainless steel
Base material: Stainless steel, aluminum
Seal material: Buna-N, PTFE, Cu Alloy
Medium: Pure nitrogen or dry aire
Gravity: Standard 9.80665 m/s² (or custom local gravity).
Pressure units available: MPa (bar or psi is optional)
Pressure connector: Metric (NPT or BSP is optional)
Base dimension: 185 mm (H) x 455 mm (L) x 380 mm (D)
Base weight: 30kg
SCOPE OF DELIVERY
BL502 Pneumatic deadweight tester base
Piston cylinder unit
304 stainless steel mass set
Mass carrier or bell
Adapter kits (NPT, BSPP)
User manual
Transit case
Datasheet
With high precision accuracy, the model BL502 pneumatic deadweight tester is an ideal primary standard for defining the pressure scale in pneumatic range from 5 kPa to 10 MPa. The piston cylinder assembly is the heart of the dead weight tester and responsible for its high accuracy. We process piston cylinder unit with accuracies from 0.02% up to 0.005% of reading. Because of the extreme hardness of this material, the pressure distortion (expansion) coefficient is negligible. The low friction coefficient provides minutes of turning with just a little swing of the masses.
FEATURES
0.005%, 0.01%, 0.02% accuracy
Accuracy of lower limit range keeps same as upper limit range.
The piston and cylinder is tungsten carbide, which provides stability, durability, and low thermal coefficients and distortion.
Build-in pressure reduce valve and pipe
Big piston areas to meet high precision
High quality needle valves provide optimum control and sealing
APPLICATION
Primary pressure standard in lab
Reference pressure measure in workshop
