万喜堂彩票 
万喜堂彩票
万喜堂app下载官方入口VD84CompactVacuumMeter●externalPirani●100to1e-3mbarVD84digitalPiranivacuummeterwithexternal,exchangeablesensorheadVSP841/VSP842readsabsolutepressureinthefinevacuumrange
万喜堂app下载官方入口 
VD84 digital Pirani vacuum meter with external, exchangeable sensor head VSP841 / VSP842 reads absolute pressure in the fine vacuum range. It is equipped with USB interface and can be used as data logger (up to 2000 measurements).
VD84 can be operated with battery or external power supply making it ideal for either portable or stationary applications.
描述
Temperature compensatedPiranisensor with durable helix filament
Min/Max memory: Storage and display of high and low values
Excellent reproducibility
Gas correction factors for correct pressure readings
Long battery life due to clocked measurement
The sensor is well protected against condensed solvents
Automatic switch off or continuous operation
Pressure units mbar, Torr, hPa
应用
Cyclic monitoring of vacuum insulations of liquid gas tanks or pipelines
Evacuation of brake and air-conditioning systems
Check and setup of vacuum appliances
Diagnosis and service of vacuum pumps
Coating plants
Speed vacs
Vacuum evaporators
技术参数
| WEIGHT | 0.2 kg |
|---|---|
| DIMENSIONS | 12 x 8 x 2.5 cm |
| MEASURING PRINCIPLE | Pirani, depending on gas type |
| MATERIALS IN CONTACT WITH VACUUM | Stainless steel 1.4305, tungsten, nickel, glass |
| MEASUREMENT RANGE | 100 – 1e-3 mbar (75 – 1e-3 Torr), max. overpressure 4 bar absolute |
| RESOLUTION | 2-digit plus exponent |
| ACCURACY | 100 – 20 mbar: <± 30% from reading, 20 – 1e-2 mbar: <± 10% from reading, <1e-2 mbar: |
| MEASURING RATE | 1.0 s |
| DATA LOGGING RATE | 1…999 s |
| OPERATING TEMPERATURE | +5 °C…+50°C |
| STORAGE TEMPERATURE | -20 °C…+60°C |
| POWER SUPPLY | 9 V block battery (alternatively NiMh rechargeable battery) or 15 VDC external (power supply) |
| ELECTRICAL CONNECTION | Jack for external power supply |
| POWER CONSUMPTION | Approx. 110 mW |
| OPERATING TIME | Max. 100 h with 9V lithium battery, max. 40 h with 9V Alkali-Mangan battery |
| SENSOR CONNECTION | External Sensor connected with a spiral cable, length max. 1.20 m |
| VACUUM CONNECTION | Stainless steel small flange DN 16 ISO-KF or 1/8″ NPT male thread |
| PROTECTION CLASS | IP40 |
| DISPLAY | LCD 12mm |
附件
vd84e.pdf
man_vd84-de-en-171009.pdf
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