High Precision Dead Weight Testers - Nagman Instruments...

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 17025:2015
DWTCal Calibration Software
Motorized Model – Optional

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: 35 / 70 / 100 / 160 / 350 / 600 / 700 bar
Piston: Single / Dual – [ Refer Table 2 ]
Standard Accuracy: ±0.015% 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: 530 x 390 x 230 mm (L x W x H)
Operating Fluid: Oil

Model	Accuracy	PCU	Weight Set	Certification	Remarks
H6900	±0.015% of Reading	Tungsten Carbide Piston & Matching Hardened Cylinder	Non-Magnetic Stainless Steel	Overall Accuracy + PCU (Area) + Weights (Mass)	Issued by NABL ISO/IEC 17025:2017 Accredited Calibration Lab

Basic Instrument
Full set of Adaptors consisting of 1/8”, 1/4″, 3/8”, 1/2″ BSP (Set of NPT Adaptors available on request)
Calibrated S.S Weight Sets – [ Refer Table 1 & 2 ]
Spirit Level, Pointer Puller / Punch
Set of Spanners & Screw Driver
Operating Fluid (500 ml)
‘O’ Ring & Seals
Dust Cover, Wooden Carrying Case (for Weight Sets)
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 ]
Instruction Manual