How to detect the clean bench and biological safety cabinet qualified A, Clean bench Clean bench can protect the sample, can not protect the operators, the certification of qualified comprises the following steps: 1, using a rotary impeller...
Introduction ： TheobservationprincipleofNB-LXJ-1photosensitivesnowdepthrecorderisdesignedformeteorologicalservice,trafficdetection,ecologicalenvironmentandagriculturalservicesandenvironmentaldetectiondepartmenttomeasuresnowdepth.Thisisanu...
Internal calibration and External calibration for electronic balance Electronic balance with Internal calibration: 1, Balance should be preheated, the time is about 2-3 hours. 2, The balance should be horizontal, otherwise you must adjust g...
FC-9624 type ( portable type of mining ) automatic water sampler for surface water and wastewater sampling , monitoring of water sources...
The differences between fluorescence microscope and optical microscope Application: Fluorescence microscope and optical microscope is different, it is not the ordinary lighting on the samples, but the use of certain wavelengths of light (ty...
The 9 common sense of Rockwell hardness tester 1, Rockwell hardness elastic deformation effect on the hardness values: Rockwell hardness up to 0.5HR effect of elastic deformation on hardness value, so we must pay attention to the frame rigi...
Commonfaultsandmaintenanceofultralowtemperaturefreezer 1 Reducetherefrigerationeffectof refrigerators,humantouchbodymetalpartshaveelectricshockfeeling Method:themultimeterisusedtomeasuretherefrigeratorleakage,thestepwisemethodinspection.Inh...
Technicaldataof ProductionFreezeDryer Asmallvertical freezedryingequipment whichissuitableforasmallamountofproduction.Thesquarecabinetvacuum freezedryer isnewconstructiondesign. Technicalcharacteristics: 1,Pre-freezedryingprocessingisinsitu...
The difference between UV visible spectrophotometer and Vis spectrophotometer Applications: 1 Visible spectrophotometer and ultraviolet visible spectrophotometer are spectrophotometer, they are used in spectrophotometry instrument qualitati...
You should be careful when you are using the drying freezer Operation method: 1 Freeze drying, the preparation of dry goods placed in the refrigerator or liquid nitrogen, make the goods completely frozen solid, we can freeze drying. 2 Betwe...
