In nondestructive testing, which instruments need to be verified? Seek relevant laws, regulations or industry standards.

Non-destructive testing instruments no longer belong to the Catalogue of Measuring Instruments Managed by People's Republic of China (PRC) (type approval part) and the Catalogue of Measuring Instruments Managed by People's Republic of China (PRC) (type approval part).

1. Ranger: photoelectric rangefinder, ultrasonic rangefinder, hand-held laser rangefinder;

2. Theodolite: optical theodolite and electronic theodolite;

3. Total station: electronic speedometer of the whole station;

4. Level: Level;

5. Geodetic GPS receiver: Geodetic GPS receiver;

6. Level gauge: Level gauge;

7. Thickness gauge: ultrasonic thickness gauge, X-ray thickness gauge, eddy current thickness gauge and magnetoresistance method.

Thickness gauge, γ -ray thickness gauge;

8. Thermometer: Infrared thermometer (infrared ear thermometer, infrared human body surface temperature) is used to measure human body temperature.

Rapid screening instrument);

9. Radiation thermometer: total radiation temperature sensor for work, radiation thermometer for work, below 500℃.

44. Medical ultrasonic source: ultrasonic source of ultrasonic Doppler fetal monitor, ultrasonic source of medical ultrasonic diagnostic instrument,

Ultrasonic source of medical ultrasonic therapy machine, ultrasonic Doppler fetal heart rate ultrasonic source;

45. Focal meter: Focal meter;

46. optometry machine: optometry machine;

47. Illuminator: ultraviolet illuminance meter, light illuminance meter;

48. Medical laser source: medical laser source;

49. Activity meter: Radioactivity meter, a germanium gamma spectrometer calibrated by 152Eu point gamma standard source, with low cost.

Seabed alpha and beta measuring instruments, alpha, beta and gamma surface pollution instruments and gamma radioimmunoassay counters;

50. Environmental and protective dose (rate) meter: X and γ radiation thermoluminescence dose measuring device for environmental monitoring,

Air absorbed dose rate meter of X and γ radiation for environmental monitoring and dose equivalent (rate) of X and γ radiation for radiation protection.

Instruments and monitors, direct reading electroscope type personal dosimeter, thermoluminescence dose of X and γ radiation for personal monitoring.

Measuring device, personal alarm for X and γ radiation, neutron peripheral dose equivalent measuring instrument;

5 1. dosimeter: therapeutic horizontal ionization chamber dosimeter, gamma-ray water absorbed dose standard dosimeter (radiation

Radiation processing level), gamma-ray radiation processing dosimeter, electron beam radiation processing dosimeter;

52. Medical radiation sources: external radiotherapy radiation sources, medical diagnostic X radiation sources and medical diagnostic calculations.

X-ray radiation source and gamma-ray radiation source for computed tomography (CT) (for radiation treatment);