Fluke

P3840

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Part Number
P3840
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Pressure Ranges

P3830
500 to 30,000 psi, or 40 to 2,000 bar, or 4 to 200 MPa, or 40 to 2000 kgf/cm2
P3860
500 to 60,000 psi or 40 to 4,000 bar or 4 to 400 MPa or 40 to 4000 kgf/cm2
P3840
500 to 40,000 psi, or 40 to 2,600 bar, or 4 to 260 MPa, or 40 to 2600 kgf/cm2

Accuracy

Accuracy1
Standard accuracy is 0.02% of Reading1. Optional accuracy of 0.015% of Reading is vailable. Calibration certificate with traceability to NIST is provided with each instrument. An optional ISO/IEC 17025 accredited calibration certificate is available.
Accuracy1
1. Accuracy is 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.

Materials of Construction

Thermal coefficient of expansion
11 ppm/°C
Cylinder material
Tungsten carbide with cobalt binder
Standard weight material
Series 3 non-magnetic, austenitic, stainless steel
Weight density
7.8 g/cm3
Piston material
Tungsten carbide with nickel binder

Options

Conversion weight sets
For applications that require nominal pressure increments in measurement units different than the main unit, conversion weight sets are available. Available measurement units are: psi, bar kgf/cm2 or MPa.
Presscal software
Windows based software program that allows users to easily apply all necessary corrections to enhance the deadweight tester performance. Supports additional 12 pressure units (bar, mbar, MPa, kPa, psi, kg/cm2, atm, inH2O, mH2O, mmH2O, inHg, mmHg).

General

Operating fluid
Dioctyl Sebacate (DOS), our reference 55-600
Intensifier ratio
7 to 1
Seal materials
Nitrile
Reservoir volume
235 cc (14.3 in3)
Instrument size
18 x 13.5 x 19 in (455 x 340 x 478 mm)
Instrument weight
66 lbs. (30 Kg) Instrument Base only
Test port adapters
9/16 – 18 UNF (Autoclave); 3/8 BSP; 1/2 BSP and 3/4 BSP