Xi'an Automation Instrument No.1 Factory
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 80000 pcs per month |
| Delivery Time | 3~4 weeks |
| Packaging Details | 1 pcs per box 100pcs per carton |
| Name | Piston-type Vacuum Pressure instrument |
| Pressure range | - 0.1~0.25MPa |
| Stability | 0.05% F • S |
| Output interface | M20 × 1.5 female thread |
| Brand Name | ZOHA |
| Model Number | Piston-type Vacuum Pressure instrument |
| Certification | CE |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 80000 pcs per month |
| Delivery Time | 3~4 weeks | Packaging Details | 1 pcs per box 100pcs per carton |
| Name | Piston-type Vacuum Pressure instrument | Pressure range | - 0.1~0.25MPa |
| Stability | 0.05% F • S | Output interface | M20 × 1.5 female thread |
| Brand Name | ZOHA | Model Number | Piston-type Vacuum Pressure instrument |
| Certification | CE | Place of Origin | China |
| High Light | portable pressure calibrator ，pressure calibration instruments | ||
Piston-type Vacuum Pressure instrument
◎Application
Piston-type Vacuum Pressure instrument is mainly used for calibrating accurate pressure
instruments, whose accuracy is 0.16, 0.25 and 0.4, transmitting pressure instruments, calibration
pressure instruments, pressure transmitters, etc. Its stability, importance and accuracy is widely
appreciatory. Compared with other pressure metrical instruments, the measuring results of vacuum pressure instrument of piston type are highly workable and stable, so it is widely used.
◎Function and features
1. Developed from the core technology of our manufacturer, the pressure instrument conforms to the calibration standards of state measure: Vacuum Pressure instrument of Piston Type JJG236-2009.
2. Two stop valves are installed on the connects of two calibrated instruments. The stop valves can close the pressure between calibrated systems. When adding weights on vacuum pressure
instrument of piston type, the piston must be dropped by reducing pressure, while if accurate
pressure instruments, pressure transmitter and transducer to be calibrated are not able to be
stopped, the pressure inside instruments will increase and decrease with the piston going up and
down. Then, the return error of calibrated instruments cannot be checked out. It does not
conform to the requirements of calibration standards of accurate pressure instruments, pressure
transmitter and pressure transducer, etc.
3. Through elaborate polish, the piston and piston tube result in little error and the interstice is tiny. It largely increases the rotation time of piston, thus decreasing the falling speed of piston and improving the resolving ability of piston.
4. The weights have gone through the correction of pressure distortion factor and local gravity.
5. Measuring range: nominal measuring range is identical to actual measuring range.
6. It can be used for delivery of calibrating piston pressure instrument; and also for testing as high
accuracy.
7. Use quick connect definitely without leakage when calibrating two instruments simultaneously.
8. No need for air source from outside.
Main technical parameters of YS-0.25 vacuum pressure instrument of piston type includes:
durable time of piston rotation, falling speed of piston, effective area of piston group, weight of
sensitive valve, loading pallet, connecting components, and exclusive-use weights. The state
has specified specific technical standards and corresponding measuring ways with regard to the
parameters of vacuum pressure of piston type. In the procedure of production and weekly
checking, those parameters should by strictly obeyed. Operators should be equipped with some
knowledge of it. What must be well familiar with are: model selection parameters of vacuum
pressure instrument of piston type, including: specifications, measuring ranges, accuracy,
working medium, weight group, standard connect, etc. Those are key model selection
parameters. Therefore we introduce you the technical parameters of YS-0.25 vacuum pressure
instrument of piston type.
◎Main technical parameters
| Type | YS-0.25 |
| Measuring range | - 0.1~0.25MPa |
| Accuracy | cl.0.02, cl.0.05 |
| Instrument thread | M20*1.5 |
| Standard weight | 1 weight -0.01MPa, 4 weights -0.02MPa, 2 weights -0.05MPa 2 weights 0.01MPa, 3 weights 0.02MPa, 3 weights 0.05MPa Connect thread: M20*1.5/M14*1.5 |
| Working medium | Clean pressed air or bottled nitrogen |
| Structural features | with fine adjustment device |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1998
Total Annual:
1000-1500
Employee Number:
400~600
Ecer Certification：
Active Member
Xi'an Automation Instrument No.1 Factory is a professional state-owned manufacturer established in 1998, mainly producing and selling pressure gauges, thermometer instruments and some related accessories. Now We have three factories in China, concentrated on producing all kinds of pressure gauge... Xi'an Automation Instrument No.1 Factory is a professional state-owned manufacturer established in 1998, mainly producing and selling pressure gauges, thermometer instruments and some related accessories. Now We have three factories in China, concentrated on producing all kinds of pressure gauge...
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