Description JY Series Digital Piston Pressure Gauge Dead Weight
Tester
JY series piston gauge is our new R & D product manufactured
according to the latest national "piston gauge" test procedures
(JJG59-2007). The key components of piston gauge uses a tungsten
carbide material with a high hardness and low temperature
coefficient of linear expansion, which improving the wear
resistance of the piston,therefore only a little (negligible
)deformation under the pressure,performance is extremely stable.
Working medium with a piston isooctyl sebacate,so pressure gauge
with high sensitivity.As a result of new materials, new
technologies, new processes,the technical indicators of new piston
gauge has been greatly improved. Thus widely used to test digital
pressure gauge, precision pressure gauges, pressure transmitters,
pressure sensors and other pressure instruments.
Detailed Images JY Series Digital Piston Pressure Gauge Dead Weight Tester
Specification JY Series Digital Piston Pressure Gauge Dead Weight Tester
| Item | | 0.6MPa | 6MPa | 25MPa | 60Mpa | 100MPa | 160MPa | 250MPa |
| Range | MPa | 0.04-0.6 | 0.1-6 | 0.5-25 | 1-60 | 2-100 | 2-160 | 5-250 |
| Up limit of measurement | MPa | 0.6 | 6 | 25 | 60 | 100 | 160 | 250 |
| Down limit of measurement | MPa | 0.04 | 0.1 | 0.5 | 1 | 2 | 2 | 5 |
| Piston nominal area | cm² | 1 | 0.5 | 0.1 | 0.05 | 0.05 | 0.05 | 0.02 |
| Chassis and piston | Nominal mass kg | 0.4 | 0.5 | 0.5 | 0.5 | 1 | 1 | 1.25 |
| Generatedpressure MPa | 0.04 | 0.1 | 0.5 | 1 | 2 | 2 | 5 |
| Special weight | Nominal mass kg | 0.1;0.5 | 0.5;2.5 | 0.5;2.5 | 0.5;2.5 | 0.5;1;2;5 | 0.5;1;2;5 | 1.25;2.5;5 |
| Generatedpressure MPa | 0.01;0.05 | 0.1;0.5 | 0.5;2.5 | 1;5 | 1;2;4;10 | 1;2;4;10 | 5;10;20 |
| Number | 6;10 | 4;11 | 4;9 | 4;11 | 1;2;1;9 | 1;2;1;9 | 1;2;11 |
| Both ends of the lock nut | | M20×1.5 | M20×1.5 | M20×1.5 | M20×1.5 | M20×1.5 | M20×1.5 | M20×1.5 |
| Weight | kg | 35 | 60 | 55 | 90 | 85 | 110 | 140 |
| Working liquid | 25#Transformer oil and aviation kerosene mixed (4.39:1).20 ℃
Kinematic viscosity 9 ~ 12 centistokes,
The acid value of less than 0.05 mg KOH/ G | sebacate 20 ℃ kinematic viscosity 20-25 centistokes, acid value is
not greater than 0.05 mg KOH/ G |
|
Application JY Series Digital Piston Pressure Gauge Dead Weight Tester
Typically dead weight testers are used in calibration laboratories
to calibrate pressure transfer standards like electronic pressure
measuring devices
1. The piston and cylinder are made of high strength, high
stiffness, and low temperature coefficient of linear expansion of
the carbide grinding tungsten carbide material , with a wide range
of ambient temperature , stable performance 20 ± 5 ℃.
2. The load center of gravity low, weight by Cradle applied
directly to the piston, the piston smooth operation, the pressure
fluctuation is extremely small, accurate indication.
3. When pressure more than 25MPa ,the medium uses a small viscosity
isooctyl sebacate, thus ensuring a very high sensitivity.
4. The weights used are all non-magnetic stainless steel material.
5.The piston displacement sensor used to monitor the working
position, the piston up and down stroke of ± 1.5mm, instrument
display is sensitive, smart, and accurate.
6. Wide range, at the lower 1MPa, the basic error of ± 0.02% or ±
0.05%, a KY100 type manometer, capable of reaching the upper limit
of the current domestic 6,60,100MPa three measuring manometer.
7. pressure adjustment easy , even at 250MPa pressure could ease.
Selection Guide JY Series Digital Piston Pressure Gauge Dead Weight Tester
| Model number | Range (MPa) | Accuracy |
| JY-0.6 | 0.04~0.6 | ±0.05%
0.02% |
| JY-6 | 0.1~6 |
| JY-25 | 0.5~25 |
| JY-60 | 1~60 |
| JY-100 | 2~100 |
| JY-160 | 2~160 |
| JY-250 | 5~250 |
| JY-300 | 5~300 |
