Brooks Instrument XacTorr Heated Digital Capacitance Manometer
About this part
CMX160 is the 160 deg C member of the Brooks Instrument XacTorr CMX Series heated digital capacitance manometer family. It is an absolute-pressure vacuum gauge platform for semiconductor and process-vacuum measurement, with exact pressure range, fitting, electrical interface, relay options, compliance marking, and calibration orientation encoded in the full CMX model number. Sonisys auction history includes CMX160 examples with 1 Torr, 2 Torr, 10 Torr, and 1000 Torr context
Configurations vary. Verify the exact unit before choosing a replacement.
Application classSemiconductor/high-purity gas delivery
CategoryVacuum and Cryogenics
Specifications
Identification
Part identifier
CMX160
Device type
Heated digital capacitance manometer / capacitance diaphragm gauge
Product family
Brooks Instrument XacTorr CMX Series
Model temperature
CMX160 is the 160 deg C operating-temperature model
Measurement
Pressure measurement type
Absolute pressure measurement with capacitance diaphragm sensing
Gas dependency
Capacitance manometer measurement is independent of gas composition
Full-scale pressure options
CMX ordering documentation lists 100 mTorr through 1000 Torr family options; availability depends on temperature selection and exact model code
Observed CMX160 ranges
Stored auction titles identify CMX160 examples at 1 Torr, 2 Torr, 10 Torr, and 1000 Torr
Accuracy
CMX160 accuracy
CMX data-sheet specifications list CMX160 accuracy as +/-0.25 percent of reading
Response
Pressure response time
CMX data-sheet specifications list 40 ms pressure response time
Thermal
Sensor temperature
160 deg C
Ambient operating temperature
15 deg C to 35 deg C for CMX160
Warm-up time
CMX family specifications list 2 hours warm-up, or 4 hours for full-scale ranges less than or equal to 1 Torr
Materials
Wetted materials
Inconel and/or AISI 316L stainless steel
Pressure
Overpressure limit
17 psia or 125 percent of full scale, whichever is greater
Electrical
Analog output
0 to 10 VDC pressure output
Analog connector options
9-pin male D-sub or 15-pin male D-sub depending on configuration
Power consumption for CMX160
+24 VDC +/-10 percent at 1 A, or +/-15 VDC at 1 A
Communications
Digital interfaces
CMX family documentation includes RS-485 diagnostic communications and DeviceNet options depending on configuration
DeviceNet option
DeviceNet configurations use a 5-pin Eurofast connector with 9-pin D-sub analog connection
DeviceNet network size
CMX DeviceNet documentation lists up to 64 nodes
Fittings
Fitting options
Configuration options include 0.5 inch OD tube stub, KF-10, KF-16, KF-25, 8 VCR female, 4 VCR female, and Mini-CF fittings
Compliance
Compliance context
Current CMX data-sheet specifications list EMC, RoHS, and REACH compliance context; exact compliance marking should be verified from the unit label
Configuration
Configured-unit rule
The exact pressure range, fitting, connector, relay option, calibration orientation, and compliance option must be read from the full CMX model code and physical label
Applications
Application domain
Semiconductor vacuum measurement, thin-film process vacuum, LPCVD, metal CVD, process-vacuum pressure measurement, and pressure-control applications