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SKU pH500111-2 Categories ,

Panel-mounted pH Digital Controller - pH500

All prices are VAT excluded and without shipping costs, unless otherwise stated.
pH500 series of pH controllers are simple to operate, microprocessor-based process meters packed with features.
  • CAL Check™ alerts users of calibration status.
  • Fail Safe Alarm System protects these meters against the pitfalls of process control.
  • Push button password programming prevents tampering.

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Fail Safe Alarm System

Hanna’s exclusive Fail Safe Alarm System protects against problems caused by power supply failure or signal interruption, which are typical risks in industrial environments. An alarm condition is indicated by a red LED, located directly on the front panel of the controller

Differential Input

In a system with poor grounding, it is possible to have a ground current flowing through the reference junction. This can cause a rapid degradation of the electrode. The Hanna differential input reduces the likelihood of ground loops.

Proportional Control

Slows the pump down when the measured pH level approaches the set value, which ensures precise dosage and avoids costly waste of chemicals due to overdosage.

Analog Output

To enhance troubleshooting and the ability to record data while monitoring, simply attach a recording device to the instrument’s 4 to 20 mA output contacts, conveniently located on the front panel, to obtain a hard copy of the results on demand.

PC Connectivity

RS232C port allows for connection to a PC. Data transmission from the instrument to the PC is possible with the HI 92500 Windows® compatible application software offered by Hanna Instruments.

Automatic Temperature Compensation

A 2-wire Pt100 can be connected to provide automatic temperature compensation of measurements.

Specifications

pH

Range

0.0 to 14.0 pH

Resolution

0.1 % pH

Accuracy

±0.2 pH

Calibration

automatic, one, two or three point, at pH 4.01, 7.01, 10.01

Temperature Compensation 

automatic (with Pt100 probe) or manual from -9.9 to 120°C

Alarm Relay 

1 contact output SPDT, 5A-250 VAC, 5A-30 VDC (resistive load), fuse protected (2A, 250V fast fuse)

Analog Output Signal

galvanically isolated: 0-1 mA, 0-20 mA and 4-20 mA,0-5 VDC, 1-5 VDC and 0-10 VDC

Digital Output Signal

RS232 bi-directional optoisolated

Setpoint 

1 or 2 contact outputs SPDT 5A-250 VAC, 5A-30 VDC (resistive load), fuse protected (2A, 250V fast fuse)

Overtime

adjustable, typically from 5 to approximately 30 minutes

Input Impedance

1012 Ohm

Power Supply 

115 VAC ±10%; 50/60 Hz

Dimensions

144 x 144 x 170 mm

Panel Cutout

140 x 140 mm

Weight

1.6 kg (3.5 lb.)

Ordering information

Each pH 500 model is supplied complete with mounting brackets and instructions.

Additional Informations

Additional information

Parameter

Industry

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