| |
HI 253 |
| 測量范圍 |
-2.00 to 16.00pH, -2.000 to 16.000pH; ±699.9mv, ±2000mV
0.001 to 19999ppm; -9.9 to120.0 °C |
| 解析度 |
0.1pH, 0.01pH, 0.001pH; 0.1mv(±699.9mV), 1mv(±2000mV)
0.001ppm(0.001 to 9.999 ppm), 0.01ppm(10 to 99.99 ppm)
0.1ppm(100 to 999.9 ppm), 1ppm(1000 to 19999 ppm); 0.1 °C |
| 精度 |
±0.01pH ±0.002pH; ±0.2mv(±699.9mV), ±1mv(±2000mV)
±0.5%; ±0.4 °C |
| pH校準 |
從pH4.01, pH6.86, pH7.01, pH9.18, pH10.01五個校正點中選擇1, 2 和3點校正
從0.1, 1, 10, 100, 1000五個校正點中選擇1點或2點校正 |
| 溫度補償 |
自動或手動 -20.0 to 120.0 °C |
| 數據接口 |
RS232接口（選購HI 92000軟件） |
| 輸入阻抗 |
1012 ohms |
| 配套電極 |
pH復合電極; HI 7669/2W溫度探棒 |
| 配套電源 |
HI710006 12VDC電源適配器 |
| 操作環境 |
0 to 50 °C (32 to 122 °F); RH max 95%，無冷凝 |
| 尺寸/重量 |
240 x 182 x 74mm/1.1Kg |
