Conductivity meter (For high concentrations) CEH-200

Overview

With the purpose of attaining highly accurate measurement at the worksite, this design fulfills basic specifications while raising the bar in terms of ease of operation. Platinum temperature measuring resistor is utilized in temperature compensation element thereby allowing realization of high accuracy temperature compensation. The measurement of salinity of salt water is also possible.

Features

Utilizes 5 alternating current electrode sensors
High accuracy temperature compensation
Automatic determination of sensor quality
Continuous measurement of saltwater salinity and temperature is possible
Utilizes large customized LCD
Measured values and parameter settings displayed simultaneously

Manufactured by HORIBA Advanced Techno

Specifications

Format	CEH-200
Measurement range	Electrode format (4-electrode system)
Temperature	1.00 / 2.00 / 5.00 / 10.0 / 20.0 mS / cm (Conductivity mS / cm display) 1000 / 2000 / 5000 µS / cm (Conductivity mS / cm display) 0 - 4.0 % (Salinity display) 0 - 100 °C (Temperature display Measurement only)
Reproducibility	± 0.05 % / FS
Transmission output	DC 4 - 20 mA Input / output isolated, Maximum load resistance 500 Ω Linearity 0.5 % FS
Transmission output range	1.00 / 2.00 / 5.00 / 10.0 / 20.0 mS / cm 1000 / 2000 / 5000 µS / cm 0.0 4.0 % (Changeable with internal DIG switch)
Adjustment function	1c contact output 2CH independent capacity: AC 250 V, 3 A max (Resistance load)
Control operation	ON / OFF Control: Upper limit operation (H) and lower limit operation (L) (Changeable with internal DIP switch)
Upper / lower limit setting range	Within each measurement range
Control width	Each range full scale 0 - 20 % (0 - ± 10 %) Settings can be specified as absolute values
Calibration function	Conductivity: Based on cell constant setting Temperature: 1-point or 2-point calibration for known temperature
Additional function	Each error message type 1. Sensor diagnostics error (Temperature sensor short, Temperature sensor tripped) 2. Measurement out-of-range error (Full scale over / under) 3. System error (A/D converter defect, Memory anomaly) Transmission output during calibration Continuous, Hold (Previous value hold) Temperature calibration function 1-point or 2-point calibration is possible
Temperature conversion coefficient arbitrary setting	0 - ± 5 % / °C
Standard temperature	25 °C (Arbitrary setting possible: 5 - 95 °C)
Temperature compensation coefficient	NaCl or 0 - ± 5 % / °C (Arbitrary setting possible)
Temperature compensation range	0 - 100 °C
Temperature compensation accuracy	± 1 % / FS
Temperature compensation element	Pt 1000 Ω (0 °C)
Ambient temperature & humidity	-5 - 50 °C, Less than 85 % RH
Power	AC 100 - 115 V 50 / 60 Hz 7 VA or AC 200 - 240 V 50 / 60 Hz 7 VA (Depends on setting)
Construction	Outside equipment: JIS C0920 Protection class: 3 (Rain-proof type) Installation procedure: 50 A pole or wall surface installation Case: Aluminum alloy casting (Paint color: DIC G-262 or equivalent) Full cover: Polycarbonate (Resin color: DIC G-262 or equivalent) Hood: SUS304 (Paint color: DIC G-262 or equivalent, or DIC PART2 2600 or equivalent) Mount fittings: SUS304
External dimensions	222 (W) x 180 (H) x 155 (D) (Mount fittings and protrusion not included)
Weight	Approx. 4 kg

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