High Precision Dead Weight Testers

Engineering Units : bar / Kg/Cm2 / psi (Kpa & Mpa also available)
Adjustable Foot & Spirit Level
Piston Calibrated thro’ “Cross Floating Techniques”
Calibrated to Standard Gravity
(Optional : Calibration to Local Gravity as per Customer’s requirement)
Accuracies Traceable to International Standards
Non-Magnetic Stainless Steel Weight Sets
Calibration Certificate – for overall Accuracy + PCU (Area) + Weights (Mass) from NABL Accredited Lab – as per ISO/IEC 17025:2017
DWTCal Software

Ideal for Fine Increments & for Medium Volume Calibration. Ensures – Easy & Controllable Pressure generation for Calibrating Pressure Gauges / Transducers / Transmitters, Transfer Standards, Recorders, Digital Calibrators etc.
Screw Pump with built-in Priming Pump

Ranges: 1000 / 1200 bar
Piston: Single / Dual – [ Refer Table 2 ]
Standard Accuracy: ±0.015% / ±0.01% of Reading – [ Refer Table 2 ]
Traceability: International Standards – [ Refer Table 1 ]
Weights: Non-Magnetic Stainless Steel
Pressure generation: Thro’ Priming Pump & Screw Ram
Standard Corrections Gravity : 9.80665 m/s2* /
Temperature: 23°C / Air Density: 1.2 Kg/Cm2
Weight (approx.) Instrument: 19 Kg. ; Weight Sets: 8 to 33 Kg. – [ Refer Table 2 ]
No. of Weights: 12 to 15
Instrument Dimensions: 600 x 500 x 360 mm (L x W x H)
Operating Fluid: Oil

Model	Accuracy	PCU	Weight Set	Certification	Remarks
H6900N	±0.015% of Reading	Tungsten Carbide Piston & Matching Cylinder	Non-Magnetic Stainless Steel	Overall Accuracy + PCU + Weights (Mass)	From ISO/IEC 17025:2017 NABL Accredited Calibration Lab
H6990N	±0.01% of Reading

Basic Instrument
Calibrated Stainless Steel Weight Sets Refer Table 1 & 2
Full set of Adaptors consisting of 1/8”, 1/4″, 3/8”, 1/2″ BSP (Set of NPT Adaptors available on request)
Operating Fluid (500 ml)
Spirit Level, Pointer Puller / Punch
Set of Spanners & Screw Driver
‘O’ Ring & Seals
Wooden Carrying Case (for Weight Sets)
Instruction Manual
DWTCal Calibration Software
Calibration Certificates are issued in Accordance with our Scope as granted by NABL per ISO/IEC 17025:2017 Standards – [ Refer Table 1 ]