Beijing Tonghe Testing Machine Co., ltd
| Supply Ability | 20 sets per month |
| Delivery Time | 7-15 working days |
| Packaging Details | Standard export wooden cases |
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Product name | Liquid Surface Interface Tension Meter |
| Measuring range | 0-199.9mN/m |
| Minimum resolution | 0.01mN/m |
| Radius of platinum circle | R9.55mm |
| Radius of platinum wire | r0.3mm |
| Brand | Jinhaihu |
| Display | LCD |
| Auto stop | Yes |
| Brand Name | JINHAIHU |
| Model Number | ZJYW |
| Certification | ISO9001 |
| Place of Origin | BEIJING, CHINA |
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Product Specification
| Supply Ability | 20 sets per month | Delivery Time | 7-15 working days |
| Packaging Details | Standard export wooden cases | Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Product name | Liquid Surface Interface Tension Meter | Measuring range | 0-199.9mN/m |
| Minimum resolution | 0.01mN/m | Radius of platinum circle | R9.55mm |
| Radius of platinum wire | r0.3mm | Brand | Jinhaihu |
| Display | LCD | Auto stop | Yes |
| Brand Name | JINHAIHU | Model Number | ZJYW |
| Certification | ISO9001 | Place of Origin | BEIJING, CHINA |
| High Light | ISO1409 Liquid Surface Interface Tension Meter ，Liquid Surface Tension Measurement Device ，Liquid Surface Tension Measurement Instrument | ||
Iso 1409 Certificated Surface Tension Tester/Water Tensiometer
Technical data:
Performance:
Standard:
JB/T9388 ISO/1409
Applicability:
Liquid tension is measured by physical means. This type of tensiometer is widely applied in scientific research institutions, universities, and water & power sectors.
Configuration:
| Name | Quantity |
| Main frame | 1 |
| Computer | 1 |
| Platinum Circle | 2 |
| beaker | 1 |
| hook | 1 |
| torsion wire | 1 |
| Calibration weight(500mg) | 1 |
Structure and working principle:
The structure of the instrument mainly consists of a torsion wire, a sensor, a platinum ring and a lifting part. When in use, the platinum ring is immersed in a certain position of the liquid to be measured. Through the motor, belt and tray, the glassware containing the liquid is driven to descend. At this time, the film between the platinum ring and the liquid to be measured is stretched, causing the platinum ring to be subjected to a downward force. Through the lever arm, the torsion wire is twisted accordingly. The sensor measures the displacement at the other end of the lever arm, converts the deformation of the stretched film into a voltage, and after circuit processing, it is transformed into the corresponding tension value and automatically displayed. As the film is gradually stretched, the tension value gradually increases until the film breaks. The maximum value is recorded as the measured tension value P of the liquid. Then, multiply it by the correction factor F of the liquid to obtain the actual tension value V of the liquid, that is, V=P· F. The correction factor F depends on the measured tension value P, the density of the liquid, the radius of the platinum wire and the radius of the platinum ring.
Parameter:
| Model | ZL-E1 | ZL-E2 |
| Test method | Design platinum plate and platinum ring at the same time, can choose one of them, can also choose two at the same time | |
| Control mode | Manual lifting | |
| Display mode | LED digital tube display | |
| Measuring time | Platinum plate method ≤10s. Platinum ring method ≤50 s | |
| Sample size required | Platinum plate method ≥3mL; Platinum ring method ≥5mL | |
| Test range (mN/m) | 0-1000 | 0-1000 |
| Resolution ratio(mN/m) | 0.1 | 0.01 |
| Accuracy(mN/m) | 0.1 | 0.01 |
| Repeatability(mN/m) | 0.1 | 0.01 |
| Precision of Electronic balance | Domestic 1/1000 grams | Domestic 1/10000 grams |
| Weighing system type | Electromagnetic force balance | |
| Accuracy automatic calibration | Accuracy automatic calibration: provide weight correction, distilled water and ethanol coefficient correction, temperature correction | |
| Data acquisition software | Standard: the configuration software can operate, store, export Excel data and print by computer | |
| The micro printer interface | Optional | |
| Thermostatic temperature control interface | Optional: it can test the value of surface tension at a specific temperature | |
| Equipment weight and size | 20cm*35cm*35cm,7.5kg； | |
| Power | 100W | |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Beijing Tonghe Testing Instruments Co., Ltd. Profile 1. Company Foundation and Positioning: Beijing Tonghe Testing Instrument Co., Ltd. was founded by a core team with over 20 years of experience in material testing and testing machine R&D. With mature technical solutions and a global... Beijing Tonghe Testing Instruments Co., Ltd. Profile 1. Company Foundation and Positioning: Beijing Tonghe Testing Instrument Co., Ltd. was founded by a core team with over 20 years of experience in material testing and testing machine R&D. With mature technical solutions and a global...
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