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MKS 925 MicroPirani Short Form Manual
MKS 925 MicroPirani Short Form Manual

MKS 925 MicroPirani Short Form Manual

Vacuum transducer
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P/N: 100017415
Short form manual
REV: A, November 2009
Product: 925-x1280
I/O connector: RJ45 / FCC68
Output: 2 (Edwards APG-100)
RoHS Compliant
Measuring range (N
(1)
Accuracy
(N
)
2
(1)
Repeatability
(N
Supply Voltage:
Power consumption:
Fuse (thermal recoverable):
Analog output (100 Ω impedance):
Analog output resolution:
Setpoint relay range;
Relay contact rating:
Setpoint relay response time:
Materials exposed to vacuum:
Internal volume:
Housing material:
Weight (925 with KF16):
Operating temperature:
Bakeout temperature (Power off):
(1) Accuracy and repeatability values are typical values measured in Nitrogen atmosphere at
ambient temperature after zero adjustment.
(2) Transducer without Viton seal is available for use in UHV applications.
and Air):
2
-4
5×10
to 1x10
-3
1×10
to 100 Torr:
100 to Atm.:
-3
): 1×10
to 100 Torr
2
KF16 flange
KF16 long flange
KF25 flange
VCR4 flange
VCR8 flange
MKS Instruments HPS Products
www.mksinst.com
-4
1×10
-3
Torr:
±10% of reading
± 5%
± 25% of reading
± 2%
9 – 30 VDC
< 1.2 Watt
200 mA
2-9Vdc
16 bit
-4
1×10
1A @ 30 VDC/AC resistive load
<100 msec
304 Stainless steel, Silicon
SiO
, Si
2
Low out gassing Epoxy resin
2.80 cm
6.63 cm
3.55 cm
1.84 cm
3.06 cm
Stainless steel 304
170g
0 to 40
o
85
C
Torr to Atmosphere
of reading
of reading
Torr to Atm.
N
, gold, Viton
3
4
3
3
3
3
3
o
C
(2)

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Summary of Contents for MKS 925 MicroPirani

  • Page 1 0 to 40 Bakeout temperature (Power off): (1) Accuracy and repeatability values are typical values measured in Nitrogen atmosphere at ambient temperature after zero adjustment. (2) Transducer without Viton seal is available for use in UHV applications. MKS Instruments HPS Products www.mksinst.com...
  • Page 2 This short form manual provides the basic information for simple use and setup. For system integration and advanced setup refer to Operation and Installation manual. The 925 MicroPirani vacuum transducer offers a wide measuring range from 1×10 Torr to atmosphere and is based on the measurement of thermal conductivity in small cavity on MEMS silicon chip sensor.
  • Page 3 Use a cable with a female 8-pin RJ45/FCC68 connector with strain reliefs to ensure proper electrical connection and to reduce stress on the connectors.  Ensure a low impedance electrical connection between the 925 transducer body and the grounded vacuum system to shield the sensor from external electromagnetic sources.
  • Page 4 The transducer is calibrated for Nitrogen, and will read higher pressure values when exposed to atmospheric air. US & ASIA: EUROPE: MKS Instruments, Inc., HPS™ MKS Denmark ApS Products, Inc., Ndr. Strandvej 119G 5330 Sterling Drive, Boulder, CO...

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100017415