HP-960FTP

Panel-mount Type pH Meter (Four-Wire Transmission, 4 point ararm, Time sharing Proportional Control)

HP-960FTP industrial pH meter is a high-end pH meter with a four-point alarm and a time sharing proportional control function.
It connects pH sensor and measures pH and temperature in the sample water.
It can also be linked with a cleaning device via an external input, extending its automatic operation time.
Many types of electrodes are available to match the sample properties.

Measurement range

pH: 0 - 14
Temperature: 0 - 100 ℃

Division: Process Water
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-960FTP 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.
  • Four control outputs equipped
    You can set values of your choice for the upper and lower limits of the four control outputs, and switch them to either on-off control or time sharing proportional control.
  • Automatic diagnosis function for faults in electrode properties
    If there is an asymmetry potential, sensitivity or response speed in correction, the HP-960FTP automatically determines whether there is a fault in the pH electrodes, and displays an error message.
  • Can be linked with a cleaning device via an external input
    An input signal from a cleaning device can be used to put the output of the measurement value on hold.
  • 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-960FTP
Measuring range0 pH to 14 pH: 0.01 pH resolution.
Temperature 0℃ to 100℃: 1℃ resolution (selectable display).
RepeatabilityWithin±0.05 pH (Equivalent input)
linearityWithin±0.05 pH (Equivalent input)
Transmission
output

4 mA to 20 mA DC, input/output isolated type
Maximum load resistance: 900 Ω
Transmission output range: Free

Contact outputOutputs: 4 points
Alarm contact output (R1, R2, R3, and R4)
  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.
Contact inputInput: 1 point
Contact type: open collector, No-voltage contact
Contact function: external input for Hold operation
Control operations

ON/OFF control

  • Upper and lower limits setting range: 0.00 pH to 14.00 pH
  • Control width: 0.00 pH to 4.00 pH (±0.00 pH to ±2.00 pH)
    Time-division proportional control
  • Upper and lower limits setting range: 0.00 pH to 14.00 pH
  • Proportional band: 0.00 pH to 4.00 pH
  • Cycle time: 5 s to 300 s
  • Control output shift capability: 0% to 50% of shift volume for the cycle time
  • Self-extending cycle time capability: The cycle time is extended automatically when the deviation value enters a set range (F zone) in proportion to the deviation value (This feature has no effect when the shift function has been enabled).
  • F zone: 1% to 100% of the proportional band (Self-extension of the cycle time starts working when the deviation enters the above range).
  • Upper limit for extending the cycle time: 0 s to 300 s.
  • Maximum control volume: 50% to 100% (To be applied regardless of whether the measured value is in the proportional band or not).
 
Calibration functionTwo-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
Selectable from the previous value hold, the preset hold, or the continuous output (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
detection
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 humidity20% to 85% (without dew condensation)
Storage
temperature
−25℃ to 65℃
Power supplyRated voltage 100 V to 240 V AC, 50 Hz/60 Hz, 10 VA (max.)
StructureIndoor-use panel installation type
   Panel case: ABS, Terminal: PBT
Panel: IP65 dust and water proof structure
Protective structurePanel: IP65 (IEC60529, JIS C0920)
Rear case: IP20, Terminal: IP00
Class II device (IEC61010-1)
Pollution level 2 (IEC61010-1)
Conforming
standards
CE MarkingEMC Directive: EN61326-1
Low Voltage Directive: EN61010-1
RoHS Directive: EN50581
Immunity
(Industrial electromagnetic environment)
Noise increase ±0.05 pH or less
FCC RuleFCC Part15
External
dimensions
96 (W)  × 96 (H)  × 115 (D) mm
Case depth: approx. 105 mm
MassApprox. 550 g

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