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Level TROLL 400, 500 and 700 water level gauges

Introduction: With the industry-leading water level, water pressure and temperature recorder, built-in recording function and built-in battery, the titanium body is very corrosive and the service life is greatly enhanced. It is integrated with the telemetry system and HydroVu data service to feedback you in real time All water monitoring sites. The water level gauge has the characteristics of long service life, accurate results, intuitive software and real-time function.

feature:
Less than 1 inch in diameter
Ventilated (measured) or non-ventilated (absolute) pressure measurement
Automatic atmospheric compensation (only for ventilation type)
Fully sealed, all titanium structure and sensor
NIST calibration report
Flexible communication protocol (4-20 mA, SDI-12, RS-485) to control gates, pumps, alarms and other equipment
Access data 24/7 and receive event notifications through telemetry systems, radio or other third-party data collection platforms
Rugged twist-lock cable (sold separately)
The recorder has low power consumption and the working life is usually up to 10 years
High-precision applications, usable ventilation (gauge pressure) system
Data can be easily exported to Excel, web-based management services or data analysis software
application:
Analysis of aquifer characteristics: micro-water test and pumping test
Coastal: Tide level/port water level and field/estuary research
Hydrological events: maximum water level monitoring, storm surge monitoring and flood control system
Long-term real-time monitoring of groundwater and surface water
Mining and governance
Technical specifications:
model
Level TROLL 400
Level TROLL 500
Level TROLL 700
Temperature range 1
Operation: -20-80°C (-4-176°F) Storage: -40-80°C (-40-176°F) Calibration: -5-50°C (23-122°F)
diameter
1.83 cm (0.72 in.)
length
21.6 cm (8.5 in.)
weight
197 g (0.43 lb)
material
Titanium alloy body; Delrin® nose cone
output method
Modbus/RS485, SDI-12, 4-20 mA
Battery type and life 2
3.6V lithium battery; 10 years or 2 million readings
External power supply
8-36 VDC
RAM
Data record 3
Data log
2.0 MB
130,000
50
2.0 MB
130,000
50
4.0 MB
260,000
50
Log type
Linear, fast linear and event
Linear, fast linear and event
Linear, fast linear, linear average, event, step linear, true logarithm
Fastest recording rate
2 per second
2 per second
4 per second
The fastest output rate
Modbus: 2 per second; SDI-12 and 4-20 mA: 1 per second
Real Time Clock
Accurate to 1 second/24 hours
Sensor type/material
Piezoresistance; Titanium alloy Piezoresistance; Titanium alloy Piezoresistance; Titanium alloy Piezoresistance; Titanium alloy
range
Absolute (non-ventilated)
30 psia: 11 m (35ft)
100 psia: 60 m (197ft)
300 psia: 200 m (658ft)
500 psia: 341 m (1120ft)
Gauge pressure (ventilation)
5psig: 3.5 m (11.5ft)
15psig: 11 m (35ft)
30psig: 21 m (69ft)
100psig: 70 m (231ft)
300psig: 210 m (692ft)
500psig: 351 m (1153ft)
Absolute (non-ventilated)
30 psia: 11 m (35ft)
100 psia: 60 m (197ft)
300 psia: 200 m (658ft)
500 psia: 341 m (1120ft)
1000 psia: 693 m (2273ft)
Gauge pressure (ventilation)
5psig: 3.5 m (11.5ft)
15psig: 11 m (35ft)
30psig: 21 m (69ft)
100psig: 70 m (231ft)
300psig: 210 m (692ft)
500psig: 351 m (1153ft)
Peak pressure
Maximum 2 times range; spikes> 3 times range
Accuracy (15℃) 4
±0.05% of full scale
Accuracy (full scale) 5
±0.1% of full scale
Resolution
±0.005% of full scale or better
Units of measurement
Pressure: Psi, kPa, bar, mbar, mmHg, inHg, cmH2O, inH2O
Water level: in., ft, mm, cm, m
Temperature Sensor
silicon
Accuracy and resolution
±0.1℃; 0.01℃ or better
Units of measurement
Celsius or Fahrenheit
Remarks
1 The liquid does not freeze the temperature range. 2 Standard battery life when used within the factory calibrated temperature range. 3 1 data record = 2 parameters recorded by the device within the temperature range of date/time and factory calibration (without line breaks). 4 Within the factory-calibrated pressure range. 5 Within the factory calibrated pressure and temperature range. Delrin is a registered trademark of E.I. du Pont de Nemours and Company.
Origin: United States



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