Online TDS / Conductivity Indicator
MODEL : TDSI 642
Display : 3½ Digit 0.5” seven segment LED display
Resolution: Minimum 0.01 ppm ( depends up on range)
Cell constant : 0.1 (or) 1 (as per range)
- Introduction
- Specifications
- Key Features
- Accessories
Product Details
SANSEL make TDS 642 indicator is extremely useful for fast and accurate determination of total dissolved solids or conductivity in a liquid. The use of solid state technology and IC circuitry makes this instrument versatile and reliable.
The factory set fixed range is available. The instrument is ideal for testing of natural water, drinking water, waste water, brine solution and sea water, etc.,.
| Model | TDSI 642 |
|---|---|
| Display | Display 3½ Digit 0.5” seven segment LED display |
| Range | 0 - 20 ppm /0 - 200 ppm /0 - 2000 ppm / 0 - 20 ppt /0 - 200 ppt (any one) 0 - 20 µs /0 - 200 µs / 0 – 2000 µs 0 – 20 mS / 0 – 200 mS |
| Calibration | Zero & Span (Provided on front panel) |
| Accuracy | ± 1 % FS + 1 digit |
| Resolution | Minimum 0.01 ppm ( depends up on range) |
| Cell constant* | 0.1 (or) 1 (as per range) |
| Input connection | Terminal |
| Operating environment | 0 - 50ºC / 20 to 95 % RH non condensing |
| Power supply | 90 to 270V AC / 50Hz |
| Dimension | 48 x 96 x 65 mm |
| Cutout dimension | 44 x 92 mm |
| Weight | 170 grams (Approx.) |
Note: Due to continuous product improvements, Published specifications may change with out notice
3½ Digit seven segment LED display
Wide ranges
Front zero & span calibration
± 1 % of FS accuracy
Compact size
Easy mount
Variety of electrode fittings
90 to 270V AC /50Hz operating supply
Standard Delivery
- 1.Basic Instrument
- 2.Panel mount Clamp set
- 3.Instruction manual
Optional
- 1.TDS Electrode with PP adapter for easy pipe line fitting
- 2. Imported certified Standard buffer Solution
- 3. Pipe line Flow Through assembly of “L” type PVC setup for electrode for Tank installation.

