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PH計(jì)技術(shù)參數(shù)
| 型號(hào) 技術(shù)參數(shù) | PHS-2F | PHS-25 | |
| 儀器級(jí)別 | 0.02級(jí) | 0.1級(jí) | |
| 測量參數(shù) | pH值、mV(ORP) | pH值、mV(ORP) | |
| 測量范圍 | pH | (0.00~14.00)pH | (0.00~14.00)pH | 
| mV | (-1400~1400)mV | (-1400~1400)mV | |
| 分辨率 | pH | 0.01pH | 0.01pH | 
| mV | 1mV | 1mV | |
| 基本誤差 | pH | ±0.01pH±1個(gè)字 | ±0.05pH±1個(gè)字 | 
| mV | ±2mV | ±1%FS | |
| 穩(wěn)定性 | (±0.01pH±1個(gè)字)/3h | (±0.05pH±1個(gè)字)/3h | |
| 電源 | AC(220±22)V,(50±l)Hz | 數(shù)顯:DC 9V 指針:AC(220±22)V,(50±l)Hz | |
| 尺寸(mm),重量(kg) | 290×210×95,1.5 | 220×160×65,1(數(shù)顯) 250×160×85,2(指針) | |