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INDUSTRIES
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PRODUCTS
Pressure
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SUPPORT
Documentation
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FAQ
Differential Pressure Standards
How are Crystals products accuracy rated?
How to Measure Pressure and Record Pressure and Temperature in Gas Reduction Stations
How to Measure Pressure and Record Pressure in Oil & Gas Compressor Stations
How to Measure Pressure and Record Pressure in Oil & Gas Distribution Systems
How to Measure Pressure and Record Pressure in Gas Service Lines
How to Measure Pressure and Record Pressure in Oil & Gas Gate Stations
How to Measure Pressure and Record Pressure in Oil & Gas Gathering Systems
How to Measure Pressure and Record Pressure in Oil & Gas Processing Plants
How to Measure Pressure and Record Pressure in Distribution Grids
How to Measure Pressure and Record Pressure in Oil & Gas Transmission Systems
Is it possible to calibrate short sensors in standard dry-blocks?
What does fully temperature compensated mean?
What is a Resistance Temperature Detector (RTD)?
What is the maximum thickness of a sensor that one can calibrate in a temperature calibrator?
What is the uncertainty of Crystal products?
What are Metering Systems and How to Easily Calibrate Them On Site
What is a Pressure Calibration Reference Standard
What is the Difference Between Absolute Pressure and Gauge Pressure
What is the Difference Between Crystal Logging Software Option
What is the Difference Between Dry Block and Bath Temperature Calibration
Which Calibration Instrument is Right for Me
Service and Calibration
Calibration Laboratory Services in North America
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Register Your Product
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Firmware Upgrade
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Obsolete Products
Looking to Replace your Calibration Equipment?
Terms and Conditions
Obsolete Products
Do you have an obsolete Crystal or Jofra product?
The table below shows the current replacement models for older generation products.
Obsolete Product
Suggested Replacement
IPI Mk. II
XP2I
ASC301 & ASC321
ASC400
ATC125A
ATC125B
PTC125A
PTC125B
ATC155A
ATC155B
RTC156A
RTC156B
ATC156A
ATC156B
RTC156A
RTC156B
ATC157A
ATC157B
RTC157A
RTC157B
ATC140A
ATC140B
RTC158A
RTC158B
ATC250A
ATC250B
RTC250A
RTC250B
ATC320A
ATC320B
PTC350A
PTC350B
ATC650A
ATC650B
RTC700A
RTC700B
CSC101
mAcal
CSC201
ASC-400
CTC140A
CTC155A
CTC320A
CTC350A
CTC650A
CTC660A
CTC650B
CTC652
CTC1200
CTC1205
HPC400
HPC40 Series
HPC500
HPC40 Series
HPC550Ex
30 Series
or
nVision
HPC600
HPC50
ITC-155
CTC-155C
or
PTC-155A
ITC-320
CTC-350C
or
PTC-350A
ITC-650
CTC-660C
or
PTC-660A
MTC-140
MTC-650A MKII
MTC-320
MTC-650A MKII
MTC-650
MTC-650A MKII
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