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Water sensors

EC & pH INTERFACE BOX WITH DISPLAY

ec_ph_interface box

Order number: 600025 / 900029

The EC500PH EC & pH Interface box is a measuring device with display in IP65 Box to be integrated into any iMETOS sensor chain interface for continuous EC & pH measurements in water. It is compatible with the majority of industry standard EC & pH sensors. The actual reading can be seen on the display. With the built in calibration mode, all sensor readings can be calibrated and checked from time to time.

Connection possibilities

  • 1 EC Sensor (Part.no. EC501)
  • 1 pH Sensor (Part.no. PH501)
FEATURE VALUE
General Information
Display shows actual data by pressing the button. It works with iMETOS 3.3.
Cable length
5 m standard, custom cable lengths available upon request

PESSL INSTRUMENTS ELECTRICAL CONDUCTIVITY

EC501

Order number: 600145 / 900032 

The conductivity sensor provides a complete self contained measurement. The sensor utilizes a reliable and robust sensor for conductivity measurement and a thermistor for temperature measurement. The sensor is ideal for hydrographical and environmental water monitoring, in agriculture and industrial applications. The durable design ensures suitability for the harshest environment applications.

Necessary Interface to connect this sensor with iMETOS: 600025 / 900029 Interface box with display.

FEATURE VALUE
Range
0.1 µS/m – 1000 mS/cm
Resolution
0.1 µS/cm
Temperature compensation
Automatic
Probe Material
PP
Probe diameter
12 mm
Min. immersion
40 mm

PESSL INSTRUMENTS pH sensor

pH-sensor

Order number: 600144 / 900030 

The pH sensor is a reliable and cost-effective sensor for measuring the pH value of various aqueous solutions. The pH scale covers values between 0 and 14.

Acids have pH values between 0 and 6; caustic solutions have pH values between 8 and 14. Value 7 is neutral.

Necessary Interface to connect this sensor with iMETOS: 600025 / 900029 Interface box with display.

FEATURE VALUE
Range
pH 0.00 to 14.00
Resolution
0.001 pH
Accuracy
±2% F.S.
Temperature deviation
3 % (range 5 °C to 30 °C)
pH probe
Standard up to 0.1 bar (other types on request), 3 m cable, 2-ringflow-through (please specify type of application)
pH calibration
2-point with automatic buffer (recognition pH 4.0 and pH 7.0)
Probe material
Glass
Probe diameter
12 mm
Minimum immersion
35 mm
Operating temperature range
15°C – 60°C
Response time
≤ 90 s

PESSL INSTRUMENTS PRESSURE SWITCH

pressure-switch

Order number: 600168 / 900198

Simple and robust design makes pressure switch suitable for use with compressed air, hydraulic oil, oil emulsions and water. Detection threshold is 1 bar and switch off is at 0.5 bar (other values on demand). The main purpose of this sensor is to control/check the performance of the irrigation system.

FEATURE VALUE
Material
Zinc-plated steel (G 1/4″)
Switching function
Open contact, closed contact, changeover
Media
Water, compressed air, hydraulic oil, oil emulsion
Maximum medium temperature
+85 °C
Adjustment ranges
1 to 10 bar (1.4-14 psi), 0-1 bar
Switching frequency
max. 200 /min
Switching pressure difference
10 to 15 %
Switching voltage
Open contact/closed contact 42V max. 2A; Changeover 250 V max. 2A

PESSL INSTRUMENTS WATER COUNTER INTERFACE

SW1000

SW1000 pulse counter (Reed/Rain input)

Order number: 600155

These interfaces support most of the water meters used in irrigation with a pulse output.

Applications:  Irrigation management, irrigation consulting, smart irrigation, irrigation tractability and bookkeeping, alarms, and supervision. Used widely in open field crops, hydroponics, and green house.
FEATURE VALUE
Resolution
0.1 / 1 / 10 / 100 / 1000 liters per pulse

PESSL INSTRUMENTS PIPE PRESSURE (WPS)

pipe_pressure
Order number: 600154 / 900204

This sensor enables continuous monitoring of the pressure in irrigation pipes (main pipe or sector pipes) and it measures up to 50 bar, so it can be used in all types of irrigation systems (drip irrigation, sprinkler, hydroponics …). Technical specification of the full scale and resolution can be changed in the benefit of the user.

Applications: Irrigation monitoring and supervision, identification of pressure loss in the installation.
FEATURE VALUE
Range
0 to 500 m of water column
Resolution
10 mbar
Accuracy
0.3 %
Operating temperature range
0 °C to 50 °C
Storage temperature range
-20 °C to 80 °C
Weight
300 g (including cable)
Housing
POM
Diaphragm
Ceramic
Cable sheath
Shielded PVC
Output signal
Serial (RS485)
Support
PI-bus only at the end of the chain
Dimensions gauge shaft
90 x 20 mm (height x diameter)

PESSL INSTRUMENTS WATER LEVEL SENSOR OR TANK LEVEL SENSOR

water-level-sensor

Order number: 600026 / 900201, 600153

The Water level sensor is an accurate and cost effective submersible water level sensor that can be connected to METOS® stations with the precision of 3 mm within the measurement ranges. Sensor has an integrated barometric sensor module to increase precision. Pressure (Measuring) ranges: 0 mWC up to 5 mWC (other distances on request). Special cable is also available.

Applications: Depth or level measurement in wells and open waters (rivers and lakes) and ground water level measurement.

FEATURE VALUE
Accuracy according to IEC 60770
Limit point adjustment (nonlinearity, hysteresis and repeatability) within ±3 % within the measurement ranges
Response time
~ 5 ms
Range
0 to 20 m of water column (other on request)
Resolution
1 mm
Accuracy
0.5 % of maximum water level
Operating temperature range
0 °C to 50 °C
Storage temperature range
-20 °C to 80 °C
Weight
1.1 kg (including cable)
Housing
Stainless steel 1.4301
Diaphragm
Ceramic
Seals
FKM
Cable sheath
Shielded PVC
Output signal
Serial (RS485)
Support
PI-bus only at the end of the chain
Dimensions gauge shaft
90 x 20 mm (height x diameter)
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