手持式折射仪（电池液/防冻液/清洗液测试仪）
电池液/防冻液/清洗液测试仪为测量电池溶液及防冻液的浓度而设计的。通过测得的百分比可以知道以丙二醇和乙二醇为基的防冻系统的冰点和汽车前窗玻璃清洁液的冰点，还可用来检查蓄电池内电解的比重及使用状态。
技术参数：
测量范围 最小刻度 分辩率 Ethylene Glycol:-84°F- 32°F Propylene Glycol:-60°F- 32°F Battery:1.100-1.400sg Ethylene Glycol:5°F Propylene Glycol: 5°F Battery: 0.01sg Ethylene Glycol: ±5°F Propylene Glycol: ±5°F Battery: ±0.01sg Ethylene Glycol: -84°F-32°F Propylene Glycol:-60°F-32°F Battery: 1.100-1.400sg Ethylene Glycol:5°F Propylene Glycol: 5°F Battery: 0.01sg Ethylene Glycol: ±5°F Propylene Glycol: ±5°F Battery: ±0.01sg Ethylene Glycol: -60°F-0°F Propylene Glycol:-50°F-0°F Battery: 1.100-1.400sg Ethylene Glycol:5°F Propylene Glycol: 5°F Battery: 0.01sg Ethylene Glycol: ±5°F Propylene Glycol: ±5°F Battery: ±0.01sg Ethylene Glycol:-60°F-0°F Propylene Glycol:-50°F-0°F Battery:1.100-1.400sg Ethylene Glycol:5°F Propylene Glycol: 5°F Battery: 0.01sg Ethylene Glycol: ±5°F Propylene Glycol: ±5°F Battery: ±0.01sg Ethylene Glycol: -60°F-32°F Propylene Glycol:-50°F-32°F Battery: 1.15-1.30sg Ethylene Glycol:5°F Propylene Glycol: 5°F Battery: 0.01sg Ethylene Glycol: ±5°F Propylene Glycol: ±5°F Battery: ±0.01sg Battery: 1.100-1.400sg Ethylene Glycol: -50°C-0℃ Propylene Glycol:-50°C-0℃ Cleaner:-40℃-0℃ Battery:0.01sg Ethylene Glycol:5℃ Propylene Glycol:5℃ Cleaner:5℃ Battery:±0.01sg Ethylene Glycol: ±5℃ Propylene Glycol: ±5℃ Cleaner:±5℃ Serum Protein: 0-12g/dlSpecific Gravity:1.000-1.050sg Refractive Index:1.330-1.360RI Serum Protein:±0.2g/dl Specific Gravity:±0.005sg Refractive Index:±0.0005RI
