Industrial pH meter - Pulse poportional control HP-480PL

Industrial pH meter HP-480PL

The HP-480PL industrial pH meter is a pH meter with a pulse proportional control function, which can drive a pulse pump directly.

As the HP-480PL has a high injection resolution per pulse, it can be used to control a pulse pump as part of a system for processing involving fine control of pH values, for example controlling the pH values of microscopic or small samples.

 

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

 

  • Pulse proportional control function
    A pulse signal proportional to the set pH value is output.
    This signal can be input directly into a pulse pump, making it possible to construct a simple system with an excellent cost-performance ratio.
  • Maximum pulse output of 360 SPM
    A maximum of 360 pulses per minute can be output.
    It has a high insertion resolution per pulse, allowing for very fine control of pH values.
  • 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.
  • 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-480PL
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, SPST-NO (1a)
Contact capacity: 240 VAC, 0.3 A and 100 VDC, 0.3 A (resistance load)
Contact function: selectable from upper / lower limit operation (ON / OFF control), alarm, and maintenance.
Control action· ON / OFF control
· Pulse 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 elementSelectable 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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