DL.WMS/GPRS/R/SDI-12 - Water Manager
 
 

OVERVIEW

 

Features

  • Pressure measuring range: 5 … 250 mH2O
  • Accuracy: ≤ ± 0.10 % FS
  • Temperature measuring range: -5 … 80°C
  • Operating temperature: -5 ... 80 / -5 ... 50 °C (logger)
  • Process temperature: -5 … 80°C
  • Radio interface: 433 MHz
  • Data transfer: GSM/GPRS
  • Frequency band: 850/900, 1800/1900 MHz (Quadband)
  • Materials level transmitter: Stainless steel, Titanium
  • Materials logger: Plastic, Stainless steel
  • Feature: Battery operation, 250'000 Measurement values, Measurement interval 2s…12h, Online programmable, Housekeeping data                    (temperature, humidity, battery voltage)
  •  

Customer benefits

  • Pressure measuring range: 5 … 250 mH2O
  • Accuracy: ≤ ± 0.10 % FS
  • Temperature measuring range: -5 … 80°C
  • Operating temperature: -5 ... 80 / -5 ... 50 °C (logger)
  • Process temperature: -5 … 80°C
  • Radio interface: 433 MHz
  • Data transfer: GSM/GPRS
  • Frequency band: 850/900, 1800/1900 MHz (Quadband)
  • Materials level transmitter: Stainless steel, Titanium
  • Materials logger: Plastic, Stainless steel
  • Feature: Battery operation, 250'000 Measurement values, Measurement interval 2s…12h, Online programmable, Housekeeping data                    (temperature, humidity, battery voltage)
 

SPECIFICATIONS

Data transmission

   
Version with GSM/GPRS Engine Quadband
GPRS frequency bands GPRS 850 MHz, GPRS 900 MHz, GPRS 1800 MHz, GPRS 1900 MHz
Transmission power Class 4 (2 W) at GPRS, class 1 (1W) at GPRS 1800 and GPRS 1900
SIM card supports 3 V SIM cards
Antenna 1/4λ stub antenna: 900 / 1800 MHz or 1900 MHz (Gain 0 / 0 dB), planar antenna: 900 / 1800 MHz (0 / 0 dB)
Transmission m2m (machine to machine) protocol

Pressure measuring range (mH2O)

  > 5 ... 20 > 20 ... 250
Overpressure 3 x FS (≥ 3 bar) 3 x FS
Burst pressure > 200 bar > 200 bar
Accuracy, (1), (± %FS) ≤ 0.1 ≤ 0.1
Thermal error (± % FS/°C)    
-5 ... 50°C compensated 0.045 0.03
Thermal shift, (± % FS/°C)    
Zero point -5...50°C ≤ 0.03 ≤ 0.015
Span -5...50°C ≤ 0.015 ≤ 0.015
Long term stability, (2) < 0.2% FS / < 4 mbar < 0.1% FS / < 0.2% FS

Datalogger

   
Housing Stainless steel (316L / 1.4404) / Murytal C
Antenna connector FME (male)
Interface Radio 433 MHz
Power supply 2 x 1.5 V alkali or 1 x 3.6 V lithium / size D, (battery can be changed on-site)
Operating temperature  
Modem -30 ... 85°C
Datalogger -40 ... 85°C
Humidity 0...100% relative H, protection class IP68 (1 m/24 h) with closed protection cap and connected sensor
Measurands Pressure and temperature
Resolution  
Temperature 0.05 °C
Pressure 0.01% FS
Data memory Up to 500'000 measurement values, non-volatile, data remain in memory even without battery, each measurement value is correlated with time and date
Identification Each datalogger has a unique serial number, as well as a user-definable description
Server automation Database administration, online data overview
Database PostgreSQL, MySQL
Status monitor Humidity and temperature in the housing, battery voltage, signal strength, memory allocation, latest data transfer, GPS position
Application interface WISKI, HydroPro, CSV, Excel
Data query Automatic data query and administration of datalogger
Access security 1 level with password protection
Alarm function Transmission of several alarms via SMS and E-Mail
Data transmission GPRS / m2m (machine to machine) protocol
Configuration Sample- and storage rate, Identification (f.e. measuring site), Tare; the datalogger stores the height of the air column, and not the pressure at the sensor, Taring of measurement value; define threshold values, Alarm threshold value; Storage of the measurement data within the defined range, Density of the measuring medium; Set the density of the measuring medium, which is automatically calculated in as well
Data format Data are stored in ASCII or CSV format and can be read with all common programs such as Excel, Lotus, etc.

Temperature measuring range

Temperature range

   
Operating temperature -5 ... 80°C
Process temperature -5 ... 80°C
Storage temperature -10 ... 80°C

System Requirements

   
PC Processor: Min. 200 MHz Memory: Min. 50 MB RAM: Min. 64 MB
Operating system Windows 2000 (Service Pack 4) / XP (Service Pack 3/32-Bit) / Vista (32-Bit) / 7 (32-Bit)

Physical specifications

 

CERTIFICATES

 

 CE Declaration of Confirmity 2016-04-13

 RoHS

 
 

 

Product & Technology News

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