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E-mail
348933931@qq.com
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Phone
18017242729
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Address
Room 310, 4289 Hongmei South Road, Minhang District, Shanghai
Shanghai Hengfang Scientific Instrument Co., Ltd
348933931@qq.com
18017242729
Room 310, 4289 Hongmei South Road, Minhang District, Shanghai
| display | 128X64 dot matrix LCD, Chinese LCD display, Chinese menu style operation | |
| measurement range | dissolved oxygen | 0 ~ 20.0 mg/L |
| temperature | 0.0-60℃ | |
| resolution | dissolved oxygen | 0.01 mg/L |
| temperature | 0.1℃ | |
| precision | dissolved oxygen | ±1.5%FS |
| temperature | ±0.3℃ | |
| temperature compensation | 0-60 ℃ (automatic temperature compensation) | |
| repetitiveness | Not exceeding 1% | |
| power supply | Communication (220 ± 22) V frequency (50 ± 1) HZ | |
| Current isolation output | 0-10mA, 0-20mA, 4-20mA optional | |
| Alarm relay | Two normally open points can be set arbitrarily, AC220V 3A /DC30V 3A | |
| Overall dimensions | 140mm X 120mm X 150mm (length X width X height) | |
| cutout size | 138 mm X 138 mm | |
| Weight: | 1.6kg | |
| Protection level | IP65 | |
| power-off data retention | >10 years | |
| Other parameters | ambient temperature | (5-45)℃ |
| ambient humidity | <90% RH (non condensing) | |
| Installation method of secondary instruments | Open hole/wall mounted/rack mounted | |
| Electrode installation method | Flow type/sinking type/flange type/pipeline type | |