Description
- Proprietary sensor technologies and premium materials from Switzerland
- Built with LabSen S-type hemispherical glass membrane, featuring fast response and high firmness
- No more air bubbles inside the glass membrane thanks to the Swiss blue gel electrolyte
- Long-Life Reference System improves the stability of reference electrode and extends the service life of the electrode
- Patented pH/temp. combination structure increases the response time by 40% compared to a conventional isolated built-in thermistor
| Additional Features | Fast Reading System |
|---|---|
| Display Type | Digital |
| Connectivity Technology | Wired |
| Power Source | Battery Powered |
| Reusability | Rechargeable |
| Indoor Outdoor Usage | Indoor |
| Resolution | 0.1°C |
| Outer Material | Glass |
| Product Care Instructions | Wipe Clean |
| Inner Material | Gel Electrolyte |
| Color | Blue |
| Style Name | Scientific/Laboratory |
| Unit Count | 1 Count |
| Item Length | 3 feet |
| Age Range Description | Adult |
| Included Components | LabSen 213 pH/Temp. Electrode |
| Model Name | AI3121 |
| Model | AI3121 |
| UPC | 810214030133 |
| Global Trade Identification Number | 00810214030133 |
| Manufacturer | Apera Instruments |
| Warranty Description | Six-Month limited warranty |
| Item Weight | 9 ounces |
| Part Number | AI3121 |
| Special Feature | Fast Reading System |
| Outer | Glass |
| Display | Digital |
| Care Instructions | Wipe Clean |
General Water Solutions in Lab & Field
LabSen 213 pH Electrode is designed for precise pH measurement of general water solutions, which refers to aqueous solutions that are within the range of 2~12 pH at the temperature between 10 – 60˚C, not including strong acids or strong alkalis, nor solutions with low ionic strength or small volume.
Sturdy Glass Membrane
The sensitive glass membrane of pH electrode is the most fragile part. Easy breakage of glass membranes has been a disturbing problem for conventional pH electrodes.
LabSen pH glass membrane is made with a thickening layer technology. The glass membrane is 10 times stronger than that of conventional pH electrodes. There’s no worry about the bulb breaking under daily use. In the meantime, the sturdy membrane has a low resistance, which generates a fast response time.
Blue gel Inner Solution
The inner reference solution of conventional pH electrodes is in liquid form. Air bubbles tend to be generated in it. Users have to spend effort to shake-off the air bubbles before taking measurement to take a stable measurement.
LabSen’s unique blue gel inner solution does not flow at all, which means it will never generate air bubbles. The electrode can work well even when being held upside-down. It is not only more convenient to use, but also improves the measurement accuracy by eliminating heat convection in the inner glass membrane.
Long-life reference system
Composed of a glass tube, AgCl particles, and a silver wire. The top end of the slim glass tube is stuffed with cotton and AgCl particles, ensuring the long-term stability of the reference electrode. The reference electrolyte does not contain Ag+, which prevents the reaction between the electrolyte and sulfides or proteins in the solutions that leads to junction clogging.
Swiss patented pH/temperature combination structure
Increases the temperature response time by 40% compared to a conventional isolated built-in thermistor, accelerating ATC and the stabilization process.
Technical Specifications
| pH Range | 0 – 14 pH |
| Temperature Range | -5 – 100 ˚C |
| Temperature Sensor | NTC 30 KΩ |
| Type of Glass Membrane | S |
| Membrane Resistance | < 150 MΩ |
| Junction | Ceramic |
| Reference System | Long-life |
| Reference Electrolyte | 3M KCl |
| Housing Material | Lead-free glass |
| Dimension | Ø12×120 mm |
| Connector | BNC for pH, RCA for temperature |
| Cable Length | 1 meter |
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