Description
Overview
GAOTek Calcium Ion Digital Tester Meter is widely used in waterworks, power plants, boiler water, hospitals, sewage treatment, chemical industry, etc. It is designed for continuous testing of hardness values in liquids. It has CE/FCC/ROSH certificate, we sell hardness testers all over the world.
Features
- Cutting-edge water hardness ion-selective electrode (ISE) technology
- Displays water hardness, temperature, current output, and customizable alarms simultaneously
- Robust IP65 protection
- Digital LCD display and English display interface
- (Optional) RS-485 communication interface for setting hardness data
- Analog output: 4 mA to 20 mA
- The relay lag value can be set freely to avoid frequent operation of relay
- Watchdog: make sure the meter does not go dead
- The main components imported from foreign famous brand
- Power off protection >10 years
- ABS plastic casing (waterproof, dust-proof and damp-proof)
Technical Specifications
| Measuring Range | Water hardness 0 mg/L to 10000 mg/L (ppm), Temperature |
| Resolution | 0.01 mg/L, 32.18 °F (0.1 ℃) |
| Analog Output | 4 mA to 20 mA |
| Operating Conditions | Environmental temperature of 32 °F to 140 °F (0 ℃ to 60 ℃), relative humidity ≤ 90 % |
| Accuracy | ±3%, 32 °F (±0.5 ℃) |
| Control Interface | Two groups of ON or OFF relay, divided into 2 points of high and low for alert control. |
| Relay | The relay lag value can be set freely. Relay load: 3 A 220 V AC or 24 V DC |
| Working Voltage | 220 V AC 10%, 50 Hz or 60 Hz |
| Hole Size | 3.62 in x 3.62 in (92 mm × 92 mm) |
| Protection Grade | IP65 (waterproof, dust-proof and damp-proof) |
| Automatic Or Manual Temperature Compensation Function | 32 °F to 140 °F (0 ℃ to 60 ℃) |
| Dimension | 3.78 in × 4.13 in × 6.61 in (96 mm x 105 mm × 168 mm) |
| Weight | 1.98 lb. (900 g) |