MODEL SI-144
Direct Manufacturer in India
Microprocessor PH Meter
Precision Microprocessor PH Meter designed for accurate and reliable laboratory analysis. Manufactured by Spectronics India with uncompromising precision.
Key Specifications
Function
pH or mV & temperature simultaneously
Display
Digital Display with 16 character x 2 lines Alphanumeric BL LCD.
Power supply
230 V ± 10% 50 Hz AC
pH Range
0 to 14 pH
Overview
The Microprocessor PH Meter from Spectronics India is engineered to deliver high-stability analytical performance for laboratory and quality-control environments. Manufactured using premium raw materials and advanced digital technology, this instrument ensures accuracy, ease of use, and long-lasting durability. It is an ideal choice for research, educational, and industrial applications.
Salient Features
What makes the SI-144 stand out
Highly stable & accurate measurements
User-friendly digital interface
Robust construction for laboratory use
Reliable and consistent performance
Backed by Spectronics India quality assurance
Technical Specifications
Complete specification table
| Function | pH or mV & temperature simultaneously |
| Display | Digital Display with 16 character x 2 lines Alphanumeric BL LCD. |
| Power supply | 230 V ± 10% 50 Hz AC |
| pH Range | 0 to 14 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ± 0.01 pH ± 1 digit |
| Slope adjustment | 80% to 120% By default 100% |
| Temp. compensation | 0 to100 ˚C Auto with temp probe / Manual with keys |
| Auto buffer recognition | 4.00 pH, 7.00 pH, 9.20 pH |
| Calibration | Auto as manual, 3 point / 2 point (Programmable) |
| mV Range | -1999 mV to +1999 mV |
| mV Resolution | 1 mV |
| mV Accuracy | ± 0.1% ±1 digit |
| mV Calibration | Three point manual |
| Temperature Range | -50.0 ˚C to 200 ˚C |
| Temperature Resolution | 0.1 ˚C |
| Temperature Accuracy | ± 0.1% of range ±1 digit |
| Temperature Calibration | Three point manual |
| Sensors | Pt100 probe |
| Data entry | By six soft touch keys with audible sound |
| Storage | 1000 samples |
| Real time display | 24 Hour mode with Date |
| Interface | RS-232, Centronics & computer |
| Print format | All Data & Date Wise (Programmable) |
| Digital output | Serial RS-232 Parallel Centronics (Programmable) |
| Error Indication | pH ERROR, ORP ERROR, CAL ERROR & T-ERROR |
Accessories
What comes with it
Standard Accessories Included
Instruction Manual
Dust Cover
Power Cord
