Environmental Measurement, Control & Datalogging

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Senseca ECO 523 - Waterproof ultra-pure conductivity meter

When developing the new ECO line, the focus was deliberately placed on the essential functions of measurement technology. Pure measurement with a focus on precision, speed, and reliability, packaged in a compact housing, is what makes the outstanding price/performance ratio possible.
The new handheld measuring devices also impress with their ergonomic design, dust and water protection in accordance with IP67, and illuminated display.

The ECO 523 is equipped with a stainless steel ultra-pure water measuring cell and specializes in high-resolution measurement of ultra-pure water, alcohol, solvents, and similar substances. The resolution is up to 0.001 μS/cm.

APPLICATIONS:
Freshwater and saltwater aquariums, reverse osmosis and similar filters, cleaning processes, cooling/lubrication processes, plant cultivation and agriculture; laboratories, quality assurance, service.

Protection class:
IP65 / IP67
Accuracy:
Conductivity:
Typ. ±1 % of mv ±0.5 % FS
Temperature:
±0.3 °C
Power supply:
2 x AA Alkaline batteries (included)
Power consumption:
<1 mA
Weight:
approx. 200 g
Housing material:
Impact resistant ABS, polyester front panel
Measuring range:
Conductivity:
0 ... 2000 μS/cm
0.00 ... 20.00 mS/cm
0.0 ... 100.0 mS /cm
TDS:
0 ... 2000 mg/l
Salinity (PSU):
0.0 ... 50.0 g/kg water
Temperature:
-5.0 ... +105.0 °C
Sensor:
2-pole measuring cell,Ø 12 mm (stainless steel 1.4404,1.4435))
Connections:
Fixed 2-pole measuring cell with integrated temperature sensor
Storage temperature:
-20 ... +50 °C (without batteries)
Display:
3-line with battery status indicator, Backlight, protected by shatterproof screen, overhead display at keypress
Dimensions:
108 x 54 x 28 mm (instrument without sensor) (H x W x D)
Additional functions:
automatic Measuring range shifting, automatic temperature compensation
Automatic Power-Off:
Yes, configurable by the user
Battery life:
> 1000 h
Measuring:
Conductivity, salinity, TDS
Operating conditions instrument:
Instrument: -20…+50°C; 0 ... 95 % r.H, Sensor: -5..+80 °C (temporarily 100 °C)
Cable length:
1.2 m
Conductivity accuracy up to 2000 μS per cm:
Typ. ±1% of m. value, ±0,5 %FS
Measuring range conductivity:
0,000..2,000 μS/cm , 0,00..20,00 μS/cm , 0,0..100,0 μS/cm (With automatic Measuring range shifting)
Measuring range Specific resistance:
In MOhm*cm
0,0100..0,2000
0,010..2,000
0,01..20,00
(With automatic Measuring range shifting)
Oxygen:
±1.5 % of meas. value ± 02 mg/l or -> 0.2
Reference temperatures:
20 and 25 °C
Temperature range:
-5.0 ... +105.0 °C
Temperature accuracy:
±0,3 °C
Temperature compensation:
Off: deactivated, nLF: non-linear, , acc. to EN 27888 , LIN: linear with variable coefficients , NaCI: For weak NaCl solutions in accordance with EN 60746-3
  • Datasheet
  • Manual