Industrial pH meter - Industrial time sharing proportional control HP-480TP

Industrial pH meter HP-480TP

The HP-480TP industrial pH meter is a pH meter with a time sharing proportional control function, making it ideal for tasks such as interval processing in any type of control process.

Unlike commonly used time sharing proportional control functions, whose on-off frequency has generally been fixed, the HP-480TP includes our independently developed control method optimized for pH control, F Zone, whereby it changes its frequency as the difference becomes smaller.

 

Segment: Process And Environment
Division: Process Water
Base product
Manufacturing Company: HORIBA Advanced Techno Co. Ltd.

 

  • Time sharing proportional control function with F Zone
    Unlike commonly used time sharing proportional control functions, whose on-off frequency has generally been fixed, the HP-480TP includes an control method called F Zone, whereby as the pH difference becomes smaller, it changes not just the time for which the pump injecting pH regulator is on, but also its frequency.
  • Compatible with five types of temperature compensation elements
    Five types of temperature compensation element are supported: 500 Ω, 6.8 kΩ, 1 kΩ, 10 kΩ and 350 Ω.
  • Easy pH correction
    After immersing the pH electrodes in the standard fluid, simply follow the instructions displayed and press the ENT key.
    The automatic correction process is plain and simple.
  • 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 nameIndustrial pH meter
ModelHP-480TP
Measuring rangepH 0 to 14: resolution of 0.01 pH
Temperature 0 to 100: resolution of 1 °C (selectable)
Transmission output4 mA to 20 mA DC, input / output isolated type
Maximum load resistance 900 Ω
Transmission output range: freely selectable within the measurement range
RepeatabilityWithin ±0.05 pH of the full scale (by equivalent input)
LinearityWithin ±0.05 pH of the full scale (by equivalent input)
Contact outputOutput: 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.
Control action 
  • ON / OFF control
  • Time sharing proportional control
 
Calibration functionTwo-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 supplyRated voltage 100 to 240 VAC, 50/60 Hz, 10 VA (max.)
StructureIndoor-use panel installation type
Panel: IP65 drop-proof structure
Protective structurePanel: IP65 (IEC60529, JIS C0920)
Conforming standardsCE Marking
FCC Rule
External dimensions48 (W) x 96 (H) x 115 (D) mm
Case depth: approx. 105 mm
MassApprox. 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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