vakuová měrka 910

Popis a vlastnosti vakuové měrky 910

Vakuová měrka 910 je použitelná do různých aplikacích,vzhledem k širokému měřícímu rozsahu
(1.0 x 10-5 Torr to 1500 Torr).
Pro měření používá dva typy senzorů - Piezo a MicroPirani™.

Technická specifikace

Sensor	Type 1: MicroPirani (MEMS Thermal Conductivity) Type 2: Piezo Absolute (MEMS Diaphragm)
Measuring Range	1.0 X 10-5 to 1,500 Torr (absolute)
Set Point Range	5.0 X 10-4 to 1,500 Torr (absolute)
Calibration Gas	Air, Argon, Helium, Nitrogen, H2, H2O vapor, CO2, Xenon, Neon Gas independent above 11 Torr
Operating Temperature	0° to 40°C (32° to 104°F)
Maximum Bakeout Temperature	85°C (185°F), non-operating
Digital Communication	RS485/RS232 (4800 to 230400 Baud)
Controls	Zero adjust, span adjust, analog output, pressure units, baud rate, address, factory default, set point functions: value, hysteresis, direction, enable, transducer status, switch, LED test
Status	Pressure reading, units, set point, operating time, transducer temperature, user tag, model, device type, serial number, firmware and hardware versions, part number, manufacturer
Analog Output	1 to 9.2 VDC, 1 VDC/decade, 100Ω maximum output impedance (absolute pressure)
Analog Output Resolution	16 bit
Relays (optional)	910 - 3 relays SPDT
Contact Rating	1 A @ 30VAC/DC, resistive
Response	100 msec maximum
Power Requirements	9 to 30 VDC, 150 ma, < 1.2 watts maximum
Accuracy1	5 x 10-4 to 1 x 10-3 Torr ±10% of reading 1 x 10-3 to 11 Torr ±5% of reading 11 to 1000 Torr ±0.75% of reading (typical values measured with Nitrogen gas at ambient temperature after zero adjustment)
Repeatability	5 x 10-4 to 10-3 Torr ±8% of reading 10-3 Torr to 11 Torr ±2% of reading 11 to 1000 Torr ±0.2% of reading (typical values measured with Nitrogen gas at ambient temperature after zero adjustment)
Overpressure Limit	2250 Torr (absolute)
Installation Orientation	Any
Internal Volume	2.8 cm3 (KF16)
Materials Exposed to Vacuum	Silicon, SiO2, Si3N4, gold, low outgassing epoxy resin, 304 stainless steel, Viton®
Electronic Casing & Flange	304 stainless steel
Weight	170 g (with KF 16 Flange)
Compliance	EMC Directive 2004/108/EC