Industrial conductivity meter (low concentration type)

This is a highly functional model, with high-performance temperature compensation, and is applicable to a wide range of tasks, from managing pure water for use with semiconductors, to managing the quality of boiler water.

Segment: Process And Environment

Division: Process Water

Manufacturing Company: HORIBA Advanced Techno Co., Ltd.

Model	HE-480C
Measurement method	Electrode type (2-electrode method)
Cell constant	0.01 /cm, 0.1 /cm, or 1.0 /cm
Temperature sensor specifications	Platinum resistance 1000 Ω / 0°C;
Measuring range	Cell constant ( /cm)	0.01	0.1	1.0
Measurement range (µS/cm)	2.000 / 20.00	20.00 / 200.0	200.0 / 2000
Measurement range (mS/m)	0.2000 / 2.000	2.000 / 20.00	20.00 / 200.0
TDS conversion (mg/L)	2.00 / 20.0	20.0 / 200	200 / 2000
0°C to 100°C (The displayed decimal place is selectable among 0, 1, and 2.)
Repeatability Within	Conductivity display	Within ±0.5% of the full scale	(in equivalent input)
TDS conversion display	Within ±0.5% of the full scale
Linearity Within	Conductivity display	Within ±0.5% of the full scale	(in equivalent input)
TDS conversion display	Within ±1.5% of the full scale
Transmission output	4 mA to 20 mA DC: input / output isolated type Maximum load resistance: 900 Ω Transmission output range: Freely selectable within the measurement range
Contact output	Outputs: 2 points Alarm contact output (R1 and R2) Contact type: relay contact, SPDT (1c) Contact rating: 240 V AC, 3 A and 30 V DC, 3 A (resistance load) Contact function: selectable from upper / lower limit operation (ON / OFF control), alarm, and maintenance.
Calibration function	Conductivity Temperature TDS
Transmission output hold feature	· Previous value hold · Optional value hold · Continuous Selectable from the above (However, only the previous value hold is available in the maintenance Mode.)
Self-diagnosis function	· Sensor diagnosis · Out of the measurement range · A/D converter scale over · Converter error
Temperature compensation	· Based on the temperature characteristics of extra deionized water (reference temperature: 25 °C) · Based on the reference temperature and user-defined temperature coefficient (reference temperature: 5 °C to 95 °C, temperature coefficient ±5% / °C) · Based on the temperature characteristics of NaCl · No temperature compensation
Power supply	Rated voltage 100 V to 240 V AC, 50 / 60 Hz, 10 VA (max.)
Protective structure	Panel: IP65 (IEC60529, JIS C0920)
Conforming standards	CE Marking FCC Rule
External dimensions	48 (W) mm x 96 (H) mm x 115 (D) mm Case depth: approx. 105 mm (when panel-mounted)
Mass	Approx. 400 g
Compatible sensors	conductivity sensor; cell constant: 0.01 /cm, 0.1 /cm, or 1.0 /cm

Model

HE-480C

Measurement method

Electrode type (2-electrode method)

Cell constant

0.01 /cm, 0.1 /cm, or 1.0 /cm

Temperature sensor
specifications

Platinum resistance 1000 Ω / 0°C;

Measuring range

Cell constant ( /cm)

0.01

0.1

1.0

Measurement range
(µS/cm)

2.000 / 20.00

20.00 / 200.0

200.0 / 2000

Measurement range
(mS/m)

0.2000 / 2.000

2.000 / 20.00

20.00 / 200.0

TDS conversion
(mg/L)

2.00 / 20.0

20.0 / 200

200 / 2000

0°C to 100°C (The displayed decimal place is selectable among 0, 1, and 2.)

Repeatability Within

Conductivity display

Within ±0.5% of the full scale

(in equivalent input)

TDS conversion
display

Within ±0.5% of the full scale

Linearity Within

Conductivity display

Within ±0.5% of the full scale

(in equivalent input)

TDS conversion
display

Within ±1.5% of the full scale

Transmission
output

4 mA to 20 mA DC: input / output isolated type
Maximum load resistance: 900 Ω
Transmission output range: Freely selectable within the measurement range

Contact output

Outputs: 2 points
Alarm contact output (R1 and R2)
Contact type: relay contact, SPDT (1c)
Contact rating: 240 V AC, 3 A and 30 V DC, 3 A (resistance load)
Contact function: selectable from upper / lower limit operation (ON / OFF control), alarm, and maintenance.

Calibration function

Conductivity
Temperature
TDS

Transmission
output hold feature

· Previous value hold
· Optional value hold
· Continuous
Selectable from the above (However, only the previous value hold is available in the
maintenance Mode.)

Self-diagnosis
function

· Sensor diagnosis
· Out of the measurement range
· A/D converter scale over
· Converter error

Temperature
compensation

· Based on the temperature characteristics of extra deionized water (reference temperature: 25 °C)
· Based on the reference temperature and user-defined temperature coefficient
(reference temperature: 5 °C to 95 °C, temperature coefficient ±5% / °C)
· Based on the temperature characteristics of NaCl
· No temperature compensation

Power supply

Rated voltage 100 V to 240 V AC, 50 / 60 Hz, 10 VA (max.)

Protective structure

Panel: IP65 (IEC60529, JIS C0920)

Conforming standards

CE Marking
FCC Rule

External
dimensions

48 (W) mm x 96 (H) mm x 115 (D) mm
Case depth: approx. 105 mm (when panel-mounted)

Mass

Approx. 400 g

Compatible
sensors

conductivity sensor; cell constant: 0.01 /cm, 0.1 /cm, or 1.0 /cm