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The combination of piezo and Pirani sensor in the digital VSR vacuum transducer with integrated display offers high precision and excellent resolution in the rough and fine vacuum range.
Microcontroller intelligence automatically manages the optional interplay of both vacuum sensors. Smartline vacuum gauges represent cutting edge technology providing safe, precise and cost effective process control.
描述
Wide measuring range due to combination sensor piezo / Pirani
High accuracy and optimal resolution over the whole measuring range
Excellent reproducibility and long term stability
Digital RS485 interface and additional analog output signal 1.5-8.58 V
Automatic baud rate detection 9.6 kBd to 115 kBd
Large integrated LCD display with background illumination
Two independent, potential-free relay switch points
Easily replaceable sensor heads with stored calibration data
應(yīng)用
Load locks
Analysis technology
Coating plants
Vacuum furnaces
Leakages tests
Operational control of roughing pumps
Process engineering
技術(shù)參數(shù)
WEIGHT | 0.220 kg |
---|---|
MEASURING PRINCIPLE | Membran piezoresistiv / Pirani |
MATERIALS IN CONTACT WITH VACUUM | Stainless steel 1.4307, nickel, gold, silicon oxide, tungsten, glass |
MEASUREMENT RANGE | 1200 – 1e-4 mbar (900 – 1e-4 Torr), max. overpressure 4 bar abs. |
ACCURACY | 1200 – 10 mbar: ±0.3% full scale 10 – 2e-3 mbar: ±10% from reading |
REPEATABILITY | 1200-10 mbar: ±0,1 % full scale, 10-2e-3 mbar: ±2% from reading |
REACTION TIME | 1200 – 10 mbar: < 30ms (piezo) 10 – 2e-3 mbar: < 100 ms (Pirani) |
POWER SUPPLY | 20 – 30 VDC |
ELECTRICAL CONNECTION | SubD 15pol., male, lockable |
POWER CONSUMPTION | 2.5 W, additionally 0.8 W for EtherCAT / relays /LCD |
OPERATING TEMPERATURE | +5…+60°C (rel. humidity max . 80% at 30°C noncondensing) |
STORAGE TEMPERATURE | -40…+65°C |
MAX. BAKE OUT TEMPERATURE | 125°C at the flange |
OUTPUT SIGNAL | 0-10 VDC, measuring range 1.5 to 8.58 VDC, logarithmic, 1V / decade, load resistor > 10 kOhm |
SERIAL INTERFACE | RS485: 9.6 kBd to 115 kBd, address switch 1 – 16 |
SWITCH POINT | 2 switch-over relays, 50 VAC / 2 A, 30 VDC / 2 A, max. 60 VA |
VACUUM CONNECTION | DN 16 CF-F |
PROTECTION CLASS | IP40 |