HE-200H

Field-installation type electric conductivity meter

For measurement of electrical conductivity in aqueous solution, concentration adjustment and rinse monitoring for CIP, and process concentration gauge. densitometry.

Appropriate for concentration adjustment and rinse monitoring for CIP, wastewater treatment, seawater and hydroponic solution monitoring, as well as a process concentration gauge. Our sensor lineup offers options suitable for various sample types, and their strength lie in their robustness to withstand harsh environmental conditions.

COND

Division: Process Water
Manufacturing Company: HORIBA Advanced Techno Co., Ltd.

A lineup of sensors to match sample properties and applications

Two types of sensors are available: a lead type which can be directly thrown into the tank or placed in the tank with an immersion holder, and a connector type for direct insertion into piping or with a Flow-through holder.

Highly robust

Accessories required for installation and wiring possess the robustness appropriate for industrial applications, allowing them to withstand harsh environmental conditions.

Salinity concentration conversion function

The transmitter is equipped with a salinity concentration conversion function that is suitable for monitoring the salinity of seawater.

Product nameConductivity meter
ModelHE-200H
Sensors in combination4-electrode method conductivity sensor (FES Series) of cell constant 0.1/cm, or 1.0/cm
Measuring
range
Measurement
type
UnitCell constant
(/cm)
0.1
(FES-2XX, 310 series)
1.0
(FES-125, 126)
ConductivitymS/cm0.000 to 2.000
0.00 to 20.00
0.0 to 200.0
0 to 2000△(*Note2)△(*Note2)
Auto (*Note1)
Practical region
(*Note2)
0 to 5000 to 1000
Display range0 to 2200
S/m0.000 to 0.2000
0.00 to 2.000
0.00 to 20.00
0.0 to 200.0△(*Note2)△(*Note2)
Auto (*Note1)
Practical region
(*Note2)
0.0 to 50.00.0 to 100.0
Display range0.0 to 220.0
Temperature0℃ to 100℃ (display range: −30℃ to 160℃)
Salinity
conversion
capability
Seawater0.00% to 4.00%
NaCl0.0% to 20.0%
Concentration
conversion
capability
NaOH0.00% to 5.00%
HNO30.00% to 5.00%
H3PO40.00% to 5.00%
Option 1 to 40.00% to 100.00%
Display
resolution
Conductivity
Conversion density
As shown in the measuring and conversion table.
Temperature0.01℃
PerformanceConductivityRepeatability
(mS/cm)
Cell constant0.1 (/cm)1.0 (/cm)
0.00 to 20.00Within ±0.5% of the full scaleWithin ±0.5% of the full scale
20.0 to 200.0Within ±1.0% of the full scaleWithin ±0.5% of the full scale
200 to 1000Within ±1.0% of the full scale
Conditionresponse for equivalent input
Linearity
(mS/cm)
Cell constant0.1 (/cm)1.0 (/cm)
0.00 to 20.00Within ±0.5% of the full scaleWithin ±0.5% of the full scale
20.0 to 200.0Within ±1.0% of the full scaleWithin ±0.5% of the full scale
200 to 1000Within ±1.0% of the full scale
Conditionresponse for equivalent input
PerformanceTemperatureRepeatability±0.1℃ (response for equivalent input)
Linearity±0.5℃ (response for equivalent input)
Transmission
output
Number of output2 (The negative terminals for transmission outputs are internally connected at the same electric potential)
Output type4 mA to 20 mA DC: input/output isolated type
Load resistanceMaximum: 900Ω
LinearityWithin ±0.08 mA (output only)
RepeatabilityWithin ±0.02 mA (output only)
Output rangeOutput 1Conductivity or density converted: Free setting within a measuring range.
Output 2Temperature: Free setting within a range between −30℃ and 160℃
Occasional out for errorHold or burnout to either 3.8 mA or 21 mA
Transmission holdIn the maintenance mode, transmission signal is held at the latest value or preset value.
In the calibration mode, transmission signal can be alive or held.
Contact
output
Number of output3
Output typeNo-voltage contact output
Contact typeRelay contact; SPDT (1c)
Contact capacityAC 250 V 3 A, DC 30 V 3 A
Contact
function
R1 and R2Selectable from upper limit alarm, lower limit alarm, and currently holding of transmission output.
(The contact is closed during alarm operation, opened normally and while the power is down.)
FAILError alarm
(Closed in the normal state, opened in the failure state or while the power is down.)
Alarm setting rangeSelectable from conductivity and density
  • Setting range: Within a measuring range
  • Delay time: 0 to 600 seconds
Contact inputNumber of input2
Contact typeNo-voltage "a" contact for open collector
ConditionsON resistance: 100Ω max.
Open voltage: 24 V DC
Short-circuit current: 12 mA DC max.
Function of inputThe input signal use can be changed.
Two inputs for four output current range selection, or, one input for two current range selection and one input for holding.
The display also responds for the range selection by input.
Communication functionCommunication typeRS-485
Signal type2 wire system, isolated from the input circuit
Not isolated from transmission circuit
Temperature
compensation
Temperature elementPlatinum resistor: 1 kΩ (0℃)
Compensation method
  • Temperature characteristics of NaCl (reference temperature: 5℃ to 95℃)
  • Arbitrary temperature coefficient input (reference temperature: 5℃ to 95℃; temperature coefficient: ±3%/℃)
  • No temperature compensation
    One of the three ways of compensation is selectable.
Temperature compensation
range
0℃ to 100℃ (However, the compensation calculation is extended lower than 0℃ or higher than 100℃.)
CalibrationConductivityBased on parameter input of coefficient for the sensor cell constant.
Self-checkSensor diagnosis errorTemperature sensor short-circuit, temperature sensor disconnection, and out of the temperature measurement range
ConverterCPU error, ADC error, and memory error
Operating temperature range−20℃ to 55℃ (without freeze)
Operating humidity rangeRelative humidity: 5℃ to 90℃ (without condensation)
Storage temperature−25℃ to 65℃
Power supplyRated power supply voltage100 V to 240 V AC ±10% 50/60 Hz
Power consumption15 VA (max)
OthersWith power switch for maintenance use
Compatible
standards
CE markingEMC    :EN61326-1
     Class A, Industrial electromagnetic environment
Safety   :EN61010-1
RoHS   :EN50581
     9. Industrial monitoring and control instruments
FCC rulesPart15 Class A
StructureInstallationOutdoor installation type
Installation methodMount on 50 A pole or wall
Protection codeIP65
Case materialAluminum alloy (coated with epoxy-denatured melamine resin)
Material of fittingsSUS304
Material of foodSUS304 stainless steel (coated with epoxy-denatured melamine resin)
Material of windowPolycarbonate
Display elementReflective monochrome LCD
External dimensions180 (W) mm x 155 (H) mm x 115 (D) mm (excluding mounting brackets)
MassMain body: Approx. 3.5 kg; cover and mounting brackets: Approx. 1 kg

Note

  • Note 1  : The decimal point position changes automatically
  • Note 2  : The actual limit of measuring range of raw conductivity is 500 mS/cm for 0.1/cm and 2000 mS/cm for 1/cm sensor. (The sensor durability for chemicals is not assumed.)
  • Note 3  : When the sensor cable, the transmission cable, or the contact input cable is extended by 30 m or more, the surge test under the EMC Directive for CE marking is not applied.
  • Note 4  : An arrester (spark over voltage: 400 V) is implemented for transmission output, contact input, and communication. However, use a most suitable surge absorption element on the connection lines in accordance with the ambient environment, the situation of equipment installed, and the externally connected equipment.

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