Introduction to Sensor
Cera-Diver
Durable Ceramic Protection for Accurate Water Level Monitoring
The Cera-Diver is a compact, corrosion-resistant groundwater datalogger designed for long-term monitoring in harsh environments, including brackish water and seawater. Its durable ceramic housing ensures reliable performance in corrosive conditions, while delivering highly accurate pressure and temperature measurements. With support for multiple logging modes, factory-calibrated accuracy, and memory for up to 48,000 measurements, the Cera-Diver is an ideal solution for demanding groundwater monitoring applications.
Specifications
Specifications
General Specifications
| Parameter | Specification |
|---|---|
| Length | 90 mm |
| Diameter | 22 mm |
| Memory | 48,000 measurements |
| Housing | Ceramic (ZrO₂) |
| Weight | 50 g |
| Battery Life | Up to 10 years (depending on usage) |
| Sample Interval | 0.5 seconds to 99 hours |
| Sample Methods | Fixed, Event-Dependent, Averaging, and Pumping Test |
Pressure Specifications
| Parameter | DI701 | DI702 | DI705 | DI710 |
|---|---|---|---|---|
| Range | 10 m | 20 m | 50 m | 100 m |
| Accuracy | ±0.5 cmH₂O | ±1.0 cmH₂O | ±2.5 cmH₂O | ±5.0 cmH₂O |
| Resolution | 0.2 cmH₂O | 0.4 cmH₂O | 1.0 cmH₂O | 2.0 cmH₂O |
Temperature Specifications
| Parameter | Value |
|---|---|
| Range | -20 to +80 °C |
| Accuracy | ±0.1 °C |
| Resolution | 0.01 °C |
Features
Special Features
01
Compact & Rugged Design
The slim 22 mm diameter and 90 mm length allow easy installation in narrow monitoring wells while ensuring long-term durability.
02
Multiple Measurement Modes
Supports fixed-interval, event-based, averaging, and pumping test measurements for flexible groundwater monitoring.
03
High-Accuracy Water Level Monitoring
Provides groundwater level measurements with a typical accuracy of ±0.05% full scale, ensuring reliable monitoring results.
04
30-Point Factory Calibration
Each sensor is factory calibrated at 30 pressure points to ensure high measurement accuracy and dependable performance.
Applications
