Pfeiffer Vacuum PrismaPro QMA 250 F1, Перевод оригинала

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Parameter QMG 250 M1 QMG 250 M2 QMG 250 M3
Vacuum required
(max. operating pressure) < 5 × 10 -4 hPa
Maximum underground cross-sensitiv-
ity at 2 u
< 5 ppm < 65 ppm < 100 ppm
Detection limit (EM) with QME 250 (straight)
Open ion source 3.0 × 10 -15 hPa 4.0 × 10 -15 hPa 5.0 × 10 -15 hPa
C/B ion source
3.0 × 10 -13 hPa 6.0 × 10 -13 hPa 1.0 × 10 -12 hPa
Grid ion source 1.0 × 10 -13 hPa 2.0 × 10 -13 hPa 4.0 × 10 -13 hPa
Detection limit (EM) with QME 250 (angled)
Open ion source
1.0 × 10
-14
hPa 2.0 × 10
-14
hPa 4.0 × 10
-14
hPa
C/B ion source
3.0 × 10 -13 hPa 6.0 × 10 -13 hPa 1.2 × 10 -12 hPa
Grid ion source 1.0 × 10 -13 hPa 2.0 × 10 -13 hPa 4.0 × 10 -13 hPa
Sensitivity with QME 250 (straight)
10)
Open ion source (Faraday)
> 5 × 10 -4 A/hPa > 4 × 10 -4 A/hPa > 3 × 10 -4 A/hPa
C/B ion source (Faraday)
> 2 × 10 -5 A/hPa > 1 × 10 -5 A/hPa > 5 × 10 -6 A/hPa
Grid ion source (Faraday)
> 1 × 10 -4 A/hPa > 5 × 10 -5 A/hPa > 3 × 10 -5 A/hPa
Sensitivity with QME 250 (angled)
11)
Open ion source (Faraday)
> 5 × 10 -4 A/hPa > 4 × 10 -4 A/hPa > 3 × 10 -4 A/hPa
C/B ion source (Faraday)
> 2 × 10
-5
A/hPa > 1 × 10
-5
A/hPa > 5 × 10
-6
A/hPa
Grid ion source (Faraday)
> 1 × 10 -4 A/hPa > 5 × 10 -5 A/hPa > 3 × 10 -5 A/hPa
Usage
Installation location Indoor, weatherproof
Ambient conditions
Protection degree IP 30
Relative humidity ≤ 98 % at operating temperature, non-condensing
Temperatures
Operating temperature (analyzer) ≤ 150 °C
Operating temperature (QME) 5 to 50 °C
Bakeout temperature (analyzer)
(QME disassembled) ≤ 300 °C
Temperature (transport / storage) -25 to +70 °C
Temperature coefficient
(during 8 hours, after 30 min. warm-up
time)
< 1 % of the peak height per °C
Electrical data
Supply voltage (power supply pack) 100 to 240 V AC, 50/60 Hz
Connection voltage (QME 250) 20 to 30 V DC, typically 24 V DC
Rated (nominal) current 1.25 A max.
Interfaces
Operation, operating Ethernet
Standard control connection (AUX I/O)
Power supply plug D-Sub, 15-pin, female
Relay output 1×, two-way contacts, max. 24 V DC, 0.5 A
Analog inputs 1× 0 to +10 V, output resistance 1 MΩ, resolution 12 bit
Digital inputs 2×; low < +2 V; high > +3 V, n24 V, max. +28 V
Output voltage +24 V, max. 1 A
Extended control connection (AUX I/O, optional)
10) In EM mode, significantly increased sensitivities can be achieved, depending on the voltage at the EM.
11) In EM mode, significantly increased sensitivities can be achieved, depending on the voltage at the EM.
Technical data and dimensions
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