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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

  1. Immersion-type
  2. 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>
  1. Measurement range:0 to 2m、0 to 5m、0 to 10m、0 to 30m、0 to 50m
  2. Accuracy:±0.3% F.S. or less
  • <Data loggers>
  1. Model:LM-2
  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 meters2m instrument0 to 2m Model: HM-680-02-30-CN
5m instrument0 to 5m Model: HM-680-05-30-CN
10m instrumentO to 10m Model: HM-680-10-30-CN
30m instrument0 to 30m Model: HM-680-30-30-CN
50m instrumentO to 50m Model: HM-680-50-50-CN
Cable length30m (standard); extensible up to 200 m
MaterialsMain unit: Titanium、Fluororubber、POM Cable: Polyurethane
Electrical characteristicPower supply 8 to 12V Output: 1-5V
Accuracy (linearity)±0.3%F.S. (± 0.2%F.S.)
Temperature characteristicZero temperature characteristics: ± 0.01%F.S. (-2 to 30°C)
External dimensionsMain unit: 29.5 x 190 Weight: Approx 200g
Data loggersModelLM-2
Number of input channelsCable: 8 Weight: Approx 65g/m
Measurement performance1 channel
Measurement intervalResolution: mm/cm 1 1/1000 of the input voltage (standard)
Recording modeto 30 seconds 1 to 60 minutes
Recording countThe instantaneous value is recorded/statistics recording (Instantaneous, maximum, minimum, and average for each interval)
Record retention timeInstantaneous value: 60,000 times Statistics: 15,000 times
Preheating function2 start operations (from start to stop)
Measurement start/stop functionOFF/0.5/1/2/5/10/30/60 seconds setting Immediate / setting the reserved time
DisplayLCD measured value (Voltage)、record state、Interval、battery level、number of recorded data etc.
Output adjustment functionZero point adjustment with multi-turn trimmer
CaseWaterproof plastic casing IP66 78 (W) × 126 (H) × 75 (D) mm Weight: Approx. 500g
Atmospheric reliefVent filter
Power supplyFor water level gauge: 006P Type 9-V alkaline battery: 2 Life expectancy: approximately 6 months Logger: AA alkaline battery: 1
Operating temperature20 to 70°C (no freezing allowed)
Data retrievalInfrared optical communication, communication adapter LR5091, and data collector LR5092 are used.

A data collector (to be purchased separately)

LR5091Connect the data collector to both the data logger and PC to transfer data. 83 (W) × 61 (H) × 19 (D) mm Weight: 43g
LR5092Save 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.
AccessoriesUSB cable (1m)、LR5000 Utilities (CD-R)
Supported OSWindows XP(SP2 or more) Vista (SP1 or more)、7

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