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Products » Pressure Sources

TV-6T Deadweight Pressure Tester

Model:TV-6T

Description

1.USAGE
This 0.05 Grade Deadweight Pressure Tester is used for the high-accuracy pressure gauge measurement.
TWO： FEATURES OF STRUCTURE
2.FEATURES:
a.Because of the tungsten carbide material of the whole piston system, the deformation error and additional temperature error are both extremely small. It can keep the right size of the piston system for a long term.
b.Work medium: If the pressure of the gauge is more than 30Pa: the medium is diisooctyl sebacate and the CSt (when 20℃) is 20~25mm2/s, which is much smaller than the medium- ricinus oil of the common pressure gauge ( its CSt is: 900-1100 mm2/s). Thus, the sensitivity improved and also the measurement range increased a lot. This tester is composed by three parts: calibration pump、measurement system、weights.
c.Calibration pump includes pressurizer、oil cup and two cut-off valves of the gauge base. The fast-joint is installed on the gauge base, which is used for connecting the being tested digital pressure gauge.
3. MAIN TECHNICAL PARAMETERS
1.Inaccuracy Measurement:
In the environment of 20±2℃ ( The temperature fluctuation is less than 0.5℃), please see the measurement inaccuracy as shown in the table below:

Accuracy (Grade)	Maximum Permissible Error
0.05	±0.05% lower limit of the measurement range (when the pressure is below the lower limit of the measurement range)	±0.05% actual measurement range (when the pressure is within the measurement range)

MAIN PARAMETERS LIST

Model		Unit	TV-6T
Measurement Range		0.04~0.6
Upper limit		MPa	0.6
Upper limit		MPa	0.04
Upper limit		MPa	0.6
Upper limit		MPa	0.04
Nominal area of piston		cm²	1
Bedplate & piston	Nominal mass	Kg	0.4
	Pressure	MPa	0.04
Specific weight	Nominal mass	Kg	0.1; 0.5
	Pressure	MPa	0.01; 0.05
	Quantity	unit	6; 10
Joint		M20×1.5	M20×1.5
Weight		Kg	35
Work medium		Voltage transformer oil or the mixed oil (voltage transformer oil and kerosene oil) when 20℃, the CSt is 9~12mm²/s; Acid value:≤0.05KOHmg/g.

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