YY-3C PH Meter
Siv rau kev kuaj pH ntawm ntau lub qhov ncauj qhov ntswg.
GB/T 32610-2016
GB/T 7573-2009
1. Ntsuas qib: 0.01 qib
2.Kev ntsuas ntau: pH 0.00 ~ 14.00pH; 0 ~ + 1400 mv
3. Kev daws teeb meem: 0.01pH, 1mV, 0.1 ℃
4. Kub them nyiaj ntau: 0 ~ 60 ℃
5. Kev ua yuam kev hauv hluav taws xob: pH ± 0.05pH, mV ± 1% (FS)
6. Qhov yuam kev ntawm qhov ntsuas: ± 0.01pH
7. Cov khoom siv hluav taws xob nkag tam sim no: tsis pub ntau tshaj 1 × 10-11A
8. Lub tshuab hluav taws xob input impedance: tsis tsawg dua 3 × 1011Ω
9. Electronic unit repeatability yuam kev: pH 0.05pH, mV, 5mV
10. Instrument repeatability yuam kev: tsis ntau tshaj 0.05pH
11. Electronic unit stability: ± 0.05pH ± 1 lo lus / 3h
12. Qhov ntev (L × W × H): 220mm × 160mm × 265mm
13. Nyhav: txog 0.3kg
14. Cov kev pabcuam ib txwm muaj:
A) Ambient kub: (5 ~ 50) ℃;
B) txheeb ze av noo: ≤85%;
C) Fais fab mov: DC6V; D) Tsis muaj kev vibration tseem ceeb;
E) Tsis muaj lwm yam sib nqus cuam tshuam tsuas yog lub ntiaj teb magnetic teb.
1. Txiav cov qauv kuaj rau hauv peb daim, txhua 2g, qhov ntau tawg zoo dua;
2. Muab ib tug ntawm lawv rau hauv 500mL daim duab peb sab beaker thiab ntxiv 100mL distilled dej kom tag nrho tsau;
3. Oscillation rau ib teev;
4. Noj 50mL ntawm cov extract thiab ntsuas nws nrog lub ntsuas;
5. Xam cov nqi nruab nrab ntawm ob qhov kev ntsuas kawg raws li qhov kawg tshwm sim.
