Particle counter calibration by the Metrology Institute vs. factory calibration

2023-02-08
1417
Esky Purify

Particle counter metrology school calibration vs. factory calibration

Serial number	Calibration Process	Service Content	Original Calibration	VS	Metrology institute or third party testing organization
1	Functional check	Check the health condition of the machine, whether it is functioning normally or not.	The machine is checked to be in good condition and calibration is performed. Check the machine for faults and issue a fault detection report.	VS	Faulty machine, return calibration instrument. VS Faulty machine, return calibration instrument. VS Faulty machine, perform comparison calibration test (portable). On-line sensors need to be read by monitoring software, which is not available at the institute, so the test cannot be read directly and a comparison calibration cannot be performed.
2	Status check before calibration	1. Warm up;2. Check the Calibration Voltage status;3. Check the flow;4. Measure the noise;5. Measure the gain.	Clean the sensor to restore the Calibration Voltage to the normal value, confirm the parameters are correct and start the calibration work.	VS	Sensor Calibration Voltage exceeds the standard, the sensor alarm, can not be compared to the calibration, the calibration instrument will be returned (portable) can not complete other test items.
3	Internal Inspection	1. Laser performance check;2. Warm up;3. Confirm flow rate;	Calibration standard procedure	VS	Not available for metrology school calibration
4	Calibration using a single standard microparticle	Engineering plastics such as ABS/PVC	Calibration standard program	VS	Measurement Institute to hit the standard particles, do not specifically specify how large particle size particles to hit;standard machine and to be tested machine for comparison test (± 30%).
5	Other calibration program check	101Pa@2.5m/s	Calibration standard program	VS	No such item for metrology school calibration
6	Machine operation test	-20℃~51℃	Calibration Standard Program	VS	No such content in the calibration of measuring institutions
7	Reporting information	Issuance of original calibration certificate	Calibration standard program	VS	Issuance of Metrology School Correction Report
8	Man-hour	Labor time to perform 1 sensor	2.5~8 hours	VS	0.5 hours