Japan, SENSEZ
SENSEZ Level Memory ZW2 Water Level Observation Systems
Products Made in Japan
Manufacturer :SENSEZ
Model :Level Memory ZW2
Lightweight, compact and environmentally friendly long-term observation possible (Water level sensor made of titanium)
Features
- Immersion-type
- Titanium
- System consisting of an immersion-type water level meter and a 1-channel data logger. Data is transferred to a PC using a data collector.
- Atmospheric correction is not required because atmospheric pressure is released via the vent filter of the waterproof casing housing the water level meter cable and logger. Can be selected from a range of 2 m, 5m, 10m, 30m, and 50 m.
- Lightweight, compact, and environmentally robust for high-accuracy measurement
- Exchangeable batteries enable long-term measurement.
- Ideal for water level observation for seawater and brackish water areas
Characteristics
- System consisting of an immersion-type water level meter and a 1-channel data logger. Data is transferred to a PC using a data collector.
- Atmospheric correction is not required because atmospheric pressure is released via the vent filter of the waterproof casing housing the water level meter cable and logger.
- Can be selected from a range of 2 m, 5 m, 10 m, 30 m, and 50 m.
- Lightweight, compact, and environmentally robust for high-accuracy measurement
- Exchangeable batteries enable long-term measurement.
- Ideal for water level observation for seawater and brackish water areas
Specifications
- ＜Water level meters＞
- Measurement range：0 to 2m、0 to 5m、0 to 10m、0 to 30m、0 to 50m
- Accuracy：±0.3% F.S. or less
- ＜Data loggers＞
- Model：LM-2
- Number of input channels：1
Use examples and track record
- Tidal level observation for seawater
- Water level observation in brackish water areas
| Water level meters | 2m instrument | 0 to 2m Model: HM-680-02-30-CN |
| 5m instrument | 0 to 5m Model: HM-680-05-30-CN | |
| 10m instrument | O to 10m Model: HM-680-10-30-CN | |
| 30m instrument | 0 to 30m Model: HM-680-30-30-CN | |
| 50m instrument | O to 50m Model: HM-680-50-50-CN | |
| Cable length | 30m (standard); extensible up to 200 m | |
| Materials | Main unit: Titanium、Fluororubber、POM Cable: Polyurethane | |
| Electrical characteristic | Power supply 8 to 12V Output: 1-5V | |
| Accuracy (linearity) | ±0.3%F.S. (± 0.2%F.S.) | |
| Temperature characteristic | Zero temperature characteristics: ± 0.01%F.S. (-2 to 30°C) | |
| External dimensions | Main unit: 29.5 x 190 Weight: Approx 200g | |
| Data loggers | Model | LM-2 |
| Number of input channels | Cable: 8 Weight: Approx 65g/m | |
| Measurement performance | 1 channel | |
| Measurement interval | Resolution: mm/cm 1 1/1000 of the input voltage (standard) | |
| Recording mode | to 30 seconds 1 to 60 minutes | |
| Recording count | The instantaneous value is recorded/statistics recording (Instantaneous, maximum, minimum, and average for each interval) | |
| Record retention time | Instantaneous value: 60,000 times Statistics: 15,000 times | |
| Preheating function | 2 start operations (from start to stop) | |
| Measurement start/stop function | OFF/0.5/1/2/5/10/30/60 seconds setting Immediate / setting the reserved time | |
| Display | LCD measured value (Voltage)、record state、Interval、battery level、number of recorded data etc. | |
| Output adjustment function | Zero point adjustment with multi-turn trimmer | |
| Case | Waterproof plastic casing IP66 78 (W) × 126 (H) × 75 (D) mm Weight: Approx. 500g | |
| Atmospheric relief | Vent filter | |
| Power supply | For water level gauge: 006P Type 9-V alkaline battery: 2 Life expectancy: approximately 6 months Logger: AA alkaline battery: 1 | |
| Operating temperature | 20 to 70°C (no freezing allowed) | |
| Data retrieval | Infrared optical communication, communication adapter LR5091, and data collector LR5092 are used. | |
A data collector (to be purchased separately)
| LR5091 | Connect the data collector to both the data logger and PC to transfer data. 83 (W) × 61 (H) × 19 (D) mm Weight: 43g |
| LR5092 | Save the data of the data logger to the internal memory or SD card, and transfer the data to the PC using the SD card. AA alkaline battery: 2 91 (W) * 141 (H) * 31 (D) mm Weight: 215g Functions: Graph display, data list, data processing, scaling, printing, etc. |
| Accessories | USB cable (1m)、LR5000 Utilities (CD-R) |
| Supported OS | Windows XP(SP2 or more) Vista (SP1 or more)、7 |
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