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- Temperature Sensor
- Dissolved Oxygen Sensor
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- Conductivity Sensor
- Reference Sensor
- pH Sensor
- COD-571/572 Chemical Oxygen Demand Meter
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- DDS-307A Conductivity Meter
- DDSJ-308A Conductivity Meter
- DDB-303A Portable Conductivity Meter
- DDBJ-350 Portable Conductivity Meter
- PHSJ-5 pH Meter
- PHSJ-3F pH Meter
- PHSJ-4A pH Meter
- PHS-3G Benchtop pH Meter
- PHS-3E pH Meter
- PHS-3C pH Meter
- PHB-4 Portable pH Meter
- PHBJ-260 Portable pH Meter
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- WSF-J Spectroscopic Color Photometer
- WSC-S Colorimeter and Color Difference Meter
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- WQS Vibrator
PHSJ-4A pH Meter
PHSJ-4A pH Meter
Features
1. The PHSJ-4A pH Meter uses LCD display and English operationsystem.
2. It has automatic and manual temperature compensation, self-calibration, andself-calculation of electrode percentage theoretical slope.
3. Five types of pHbuffer solution can be chosen to conduct automatic calibration (one point ortwo points).
4. Test results can bestored, deleted, viewed and printed. Up to 200sets of data can be stored.
5. The PHSJ-4A pH Meter has RS-232 interface and it can beconnected to TP-16 printer. The interface can be used to connect datacollecting software and computer.
6. It canbe used to measure pH value of ultrapure water, pure water and boiling water byadjusting equipotential point and choosing specific electrode.
Technical Specifications
| Model | PHSJ-4A | PHSJ-3F |
| ||
|
| |||||
| Parameters | pH /mV (ORP)/ |
| |||
| Range | pH | 0.00014.000 | -2.0020.00 |
| |
| mV | 1999.9 | 1999 |
| ||
| Temperature | -5.0105.0 | -5.0135.0 |
| ||
| Resolution | pH | 0.1/0.01/0.001 | 0.01 |
| |
| mV | 0.1 | 1 |
| ||
| Temperature | 0.1 |
| |||
| Accuracy | pH | 0.0051 bit | 0.011 bit |
| |
| mV | 0.2 (in 399.9mV range); 0.03%FS (in other range) | 0.1% (FS) |
| ||
| Temperature | 0.31 bit |
| |||
| Stability | (0.005pH1 bit)/3h | (0.01pH1 bit)/3h |
| ||
| Temp compensation | Manual/Auto (-5.0105.0) | Manual/Auto (-5.0135.0) |
| ||
| Calibration | May select 5 standard buffer solution for one and two-point calibration |
| |||
| GLP standard | Yes |
| |||
| Data storage | 200 data with time-and-date stamp |
| |||
| View, delete and print | Yes |
| |||
| Equipotential adjustment | Yes |
| |||
| Display | LCD |
| |||
| Communication interface | RS-232 |
| |||
| Software | 1.1DC |
| |||
| Power | Universal power adapter (9V DC, 500mA, inside - positive, outside - negative) |
| |||
| Case outside serial no. | WXS-A010-3 |
| |||
| Dimension (mm), Weight(kg) | 28021090, 1 |
| |||
| Packing size(mm) (Carton box) | 340*270*280 | 610*290*640/4 units |
| ||
| Gross Weight(kg) (Carton box) | 2.5 | 10 |
| ||
Standard Configuration
| Order No | Product Name and Specification | Quantity |
| 60109001 | PHSJ-4A pH meter | 1 |
| 31309001 | pH Combination electrode | 1 |
| 31009001 | Temperature sensor | 1 |
| 32009001 | Power supply (9V DC, 500mA, European type) | 1 |
| 33009001 | Flexible electrode holder | 1 |
| 33009003 | pH buffer solution (pH4, 7, 9) | 5 for each |
| 33009007 | Data Collecting Software |
|
| 33009008 | Printer liner |
|
Optional Accessories
| Order No | Product Name and Specification |
| 31009003 | ORP Electrode |
| 33009004 | PH buffer solution (pH 4, 7, 10) |
| 31309002 | pH combination electrode (plastic, refillable) |
| 31309003 | pH combination electrode (plastic, sealed) |
| 31309005 | Glass pH electrode |
| 31009005 | Reference electrode (double-junction) |
| 31009002 | Calomel electrode |
| 3130900X | Specific pH electrode |
| 3100900X | Reference electrode |
| 32009002 | Power supply (9V DC, 500mA ,American type) |
| 33009006 | Printer |
INESA is a specialized pH meter manufacturer and supplier, based in China. We also provide ion meter, multi-parameter waterquality meter, automatic potential titrator,conductivity meter, chromatograph, light chromaticity instrument, etc.

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