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

WMS Information

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)