550型是一种通用便携式pH计，提供2点pH校准和自动缓冲识别。该型号同时显示温度补偿的pH读数和温度。这款小巧轻便的仪表采用LCD显示屏和防溅外壳。 570型是通用手持式多参数计，包括pH，mV和温度计。该型号提供2点校准和自动缓冲识别。该装置同时显示温度补偿的pH读数或电极电位和温度。该型号具有易于阅读的大型LCD显示屏。集成的橡胶密封件确保设备*防水。 该仪表提供环氧树脂体电极（924 001），温度探头（170 101）和缓冲器，并配有便携箱。 | Model | 550 | 570 | | Type | pH and temperature | pH, mV and temperature | | Waterproof | No (IP65) | Yes (IP66/ 67) | | pH Range | 0 to 14 | - 2 to 16 | | pH Resolution | 0.01 | 0.01 | | pH Accuracy | ± 0.05 | ± 0.02 | | mV Range | N/A | - 1000 to 1000mV | | mV Resolution | N/A | 1mV | | mV Accuracy | N/A | ± 1mV | | ATC | 0 to 60°C | 0 to 100°C | | Temperature Range | 0 to 100°C | - 39.9 to 149.9°C | | Temperature Resolution | 0.1°C | 0.1°C | | Temperature Accuracy | ± 0.5°C | ± 0.4°C ( - 10 to 70°C) | | No.of Calibration Points | 2 | 2 | | Automatic Buffer Recognition | Yes | Yes | | Auto Shut Off | 10 mins | 10 mins | | Operating Temperature | 0 to 50°C | 0 to 100°C | | Battery Life (hours) | 5000 | 2500 | | pH Connector | BNC | BNC | | Temperature Connector | 3.5mm jack | Waterproof Lumberg screw-locking type | | Dimensions (l x w x d) | 128 x 56 x 25mm | 141 x 71 x 32mm | | Weight | 130g | 230g |
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