HP-480PL

Panel-mount type pulse proportion control pH meter

A compact water quality meter that offers a wide range of features and functionality.

A pH meter equipped with a pulse-type pump proportional control function. Suitable for pH monitoring and control in various production processes, as well as wastewater treatment and other applications. We offer a wide range of cleaning devices to accommodate a variety of samples.

Segment: Process And Environmental

Division: Process Water

Manufacturing Company: HORIBA Advanced Techno Co., Ltd.

Lineup of a wide range of electrodes
A wide variety of electrodes are offered to cater to different needs.

Comprehensive range of cleaning devices.
The ultrasonic cleaner can be retrofitted to HP-480PL sites that are not equipped with a cleaner.
*If other cleaners are to be used, sequence control by the customer is required.

Product name	Pulse proportional control pH meter for industrial use
Model	HP-480PL
Measuring range	0 pH to 14 pH: 0.01 pH resolution. Temperature 0℃ to 100℃: 1℃ resolution (selectable display).
Transmission output	4 mA to 20 mA DC: input/output isolated type Maximum load resistance: 900 Ω
Transmission output range	Free
Repeatability and linearity	±0.05 pH, ±0.08 mA (for transmission output range of 0 pH to 14 pH)
Contact output	Outputs: 2 points Alarm contact output (R1 and R2) Contact type: relay contact, SPDT (1c) Contact rating: 240 V AC, 0.3 A and 30 V DC, 0.3 A (resistance load) Contact function: selectable from upper/lower limit operation (ON/OFF control), alarm, and maintenance.
Control actions	ON/OFF control		Upper/lower limit setting range: 0.00 pH to 14.00 pH Control width: 0.00 to 4.00 pH (±0.00 pH to ±2.00 pH)
Control actions	Pulse proportional control		Upper/lower limit setting range: 0.00 pH to 14.00 pH Maximum number of pulse output: Freely selectable in the range of 1 SPM to 360 SPM. Proportional band: 0.01 pH to 4.00 pH Control output shift function: 0% to 50%
Calibration function	Two-point automatic calibration or manual calibration Two-point automatic calibration: with automatic validation of the electrode characteristics. Types of standard solution: pH 2, pH 4, pH 7, pH 9 and pH 10 (JIS) Combination of standard solutions: pH 7 and one of the others Manual calibration: Freely selectable, but the difference should be over 2 pH. Temperature calibration (one point).
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	Calibration function Asymmetry potential error, sensitivity error, response speed error and standard solution error. Electrode self-diagnosis Temperature sensor short-circuit and temperature sensor disconnection. Outside of the measuring range. Converter error.
Temperature compensation element	Selectable from compensation ON (350Ω (25℃), 500Ω (25℃),1 kΩ (0℃)6.8 kΩ (25℃) and 10 kΩ (25℃)) and compensation OFF.
Temperature- compensated range	0℃ to 100℃
Ambient temperature	−5℃ to 45℃
Relative humidity	20% to 85% (without dew condensation)
Storage temperature	−25℃ to 65℃
Power supply	Rated voltage 100 V AC to 240 V AC, 50 Hz/60 Hz, 10 VA (max.)
Structure	Indoor-use panel installation type Panel case: ABS, Terminal: PBT Panel: water proof structure
Protective structure	Panel: IP65 (IEC60529, JIS C0920) Rear case: IP20, Terminal: IP00 Class II device (IEC61010-1) Pollution level 2 (IEC61010-1)
Conforming standards	FCC Rule	FCC Part15
External dimensions	48 (W) × 96 (H) × 115 (D) mm Case depth: approx. 105 mm
Mass	Approx. 400 g