HP-480

Industrial pH meter

The HP-480 covers a wide range of usages such as monitoring industrial effluent, monitoring manufacturing processes in various industrial areas and quality inspections, as well as for fisheries industry and aquaculture industry.

 

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

 

  • Easy pH correction
    After immersing the pH poles in the standard fluid, simply follow the instructions displayed and press the ENT key.
    The automatic correction process is plain and simple.
  • Automatic diagnosis function for faults in electrode properties
    If there is an asymmetry potential, sensitivity or response speed in correction, the HP-480 automatically determines whether there is a fault in the pH electrodes, and displays an error message.
  • Compatible with five types of temperature compensation element
    Five types of temperature compensation element are supported: 500 Ω, 6.8 kΩ, 1 kΩ, 10 kΩ and 350 Ω.
  • A line-up of lead-free pH electrodes
    Uses lead-free glass. In addition, almost all sections of the pH electrodes, including lead wires and soldered junctions are lead-free.
  • Uses lead-free solder
    To reduce the burden on the environment, lead-free solder has been used to mount the components on the printed circuit board.

 

 

Product name

Industrial pH meter

Model

HP-480

Measuring range

pH 0 to 14: resolution of 0.01 pH
Temperature 0 to 100: resolution of 1°C (selectable)

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

Repeatability

Within ±0.05 pH of the full scale (by equivalent input)

Linearity

Within ±0.05 pH of the full scale (by equivalent input)

Contact output

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

Calibration function

Two-point automatic calibration or manual calibration
Temperature calibration (one point)

Transmission output
hold function

 
  • Just before hold
  • Optional value hold
  • Continuous

Selectable from the above (However, only the just before hold is available in the maintenance mode.)

Self-diagnosis function

 
  • Calibration failure
  • Electrode self-check
  • Outside of the measuring range
  • Transducer error
 

Temperature
compensation element

Selectable from compensation ON (500 Ω (25°C), 6.8 kΩ (25°C), 350 Ω (25°C), 1 kΩ (0°C) or 10 kΩ (25°C)) and compensation OFF

Power supply

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

Structure

Indoor-use panel installation type
Panel: IP65 drop-proof structure

Protective structure

Panel: IP65 (IEC60529, JIS C0920)

Conforming standards

CE Marking
FCC Rule

External dimensions

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

Mass

Approx. 400 g

Waste Water Treatment and Disposal in Water Waste Management and Remediation Services
Waste Water Treatment and Disposal in Water Waste Management and Remediation Services

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