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wtw ph计探头wtw PH计电极由上海谷雨环保科技供应，全新，原装，*。pH电极是zui为常用的电化学传感器。同样它提供zui灵敏的测量信号，需要定时保养和校正。IDS数字传感器正是为了提高pH测量的精确性而设计的。
不受干扰的数字信号有2个好处，一是允许使用更长的电缆，另一个是可以同时传输校正数据和探头ID识别码 SenTix® | 940/940-3 | 950 | 980 | | pH | 0.000 … 14.000
± 0.004 | 0.000 … 14.000
± 0.004 | 0.000 … 14.000
± 0.004 | | mV | – – – | | | | Temp. | 0 … 80 °C | 0 … 80 °C | 0 … 100 °C | | SenTix® | 945 | Micro 900 | Sp-T 900 | HW-T-900 | Measuring range | pH: 0.000 … 14.000 ± 0.002 | pH: 0.000 … 14.000 ± 0.002 | pH: 2.000 … 13.000 ± 0.002 | pH: 0.000 … 14.000 ± 0.002 | Area of use | 0 … 80 °C | 0 … 100 °C | 0 … 50 °C | 0 … 60 °C | Reference electrolyte | Gel | KCl 3 mol/l | Polymer | KCl 3 mol/l | Membrane form | Sphere | Cylinder | Spear | Cylinder | Diaphragm | 3 x ceramic | Platinum wire | Hole | Grinding | Shaft material | Glass | Glass | Plastic | Glass | Shaft length | 120 mm | 70/130 mm | 65/25 mm | 120 mm | Shaft diameter | 12 mm | 12/5 mm | 15/5 mm | 12 mm | Temperature sensor | NTC 30 kOhm | NTC 30 kOhm | NTC 30 kOhm | NTC 30 kOhm | Connecting cable | 1.5 m with digital plug | 0.5 m with digital plug | 0.5 m with digital plug | 0.5 m with digital plug |
wtw ph计探头wtw PH计电极由上海谷雨环保科技供应，全新，原装，*。
SenTix® 940-3 Like above, but with a 3 m cable 103741
SenTix® 945 Low-maintenance IDS pH gel electrode with glass shaft and three diaphragms 103743
SenTix® 950 IDS electrode with 3 mol/l KCl, plastic shaft 103750
SenTix® Micro 900 IDS micro pH electrode with platinum diaphragm 103751
SenTix® Sp-T 900 IDS insertion electrode with polymer electrolyte 103752
SenTix® HW-T 900 IDS pH electrode with mit adjustable flow gap diaphragm 103753
wtw ph计探头由上海谷雨环保科技供应，全新，原装，*。
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