Two- Line pH / ORP Meter CP-300

Overview

The CP-300 is the newest addition to our lineup of pH / ORP meters offering excellent stability and temperature characteristics. The CP-300 is capable of accommodating a wide range of application fields from general wastewater monitoring to pH measurement of industrial processes.

Features

Can be used as both a pH and ORP meter
One-touch calibration simply by immersing the electrode in standard solution and pressing the CAL key
Automatic determination of validity of electrode characteristics
Compatible with five types of temperature compensation elements
Equipped with input filter function
New process electrode featuring enhanced performance
Can be combined with a washer
Employs a large, customized LCD
Simultaneous display of measured values and parameter settings

Manufactured by HORIBA Advanced Techno

Specifications

Model	CP-300
Measuring range	pH 0 - pH 14: Resolution of 0.01 pH ORP ± 1400 mV: Resolution of 1 mV
Reproducibility	pH ± 0.05, ORP ± 5 mV
Transmission output	DC 4 - 20 mA, isolated input and output, max. load resistance: 500 W, linearity: 0.5 %
Transmission output ranges	pH: 0 - 14, 0 - 10, 0 - 8, 2 - 12, 3 - 11, 4 - 14, 4 - 10, 6 - 14 ORP: ± 1400 mV, ± 1000 mV, ± 700 mV, ± 350 mV, -1000 - 0 mV, 0 - 1000 mV, -700 - 0 mV, 0 - 700 mV (changeable with internal DIG switches)
Calibration function	2-point automatic calibration or manual calibration (changeable with internal DIP switches) 2-point automatic calibration: Automatic determination of standard solution type Automatic judgment of potential stability Types of standard solutions: pH 4, 7, 9 (JIS) Combinations of standard solutions: pH 4 and 7, pH 7 and 9 Manual calibration: Types of standard solution Discretionary: Difference of 2 pH or more
Additional functions	Various error messages Calibration error (asymmetrical potential, sensitivity / response rate error, standard solution error) Electrode check error: Shorted temperature sensor, disconnected temperature sensor Deviation from measuring range error: Over full scale, under full scale, continuous transmission output during calibration and hold during washing (1a non-voltage contact input), hold (previous value hold, arbitrary hold) (changeable with internal DIP switches) Measured value shift function: pH: ± 2.00 pH, ORP: ± 200 mV Input filter time constant switching function Time constant: None / approx. 30 sec (changeable with internal DIP switches) Burnout function: 4 mA / 20 mA (changeable with internal DIP switches)
Temperature compensation element:	500 W (25 °C) Also compatible with other elements consisting of 6.8 kW (25 °C), 350 W (25 °C), 1 kW (0 °C) and 10 kW (25 °C)
Temperature compensation range	0 - 100 °C (pH meter only)
Ambient temperature and humidity	-5 - 50 °C, 85 % RH or below
Power supply	DC 22.5 - 30 V
Construction	Outdoor installation type: JIS C0920, protection class: 3 (rain-proof type) Mounting method: 50 A pole or wall mounting Case: Cast aluminum alloy (coating color: equivalent to DIC G-262) Full cover: Polycarbonate (plastic color: equivalent to DIC G-262) Hood: SUS304 (coating color: equivalent to DIC G-262 and DIC PART 2 2600) Mounting fixture: SUS304
External dimensions	222 (W) x 180 (H) x 155 (D) (excluding mounting fixture and projections)
Weight	Approx. 4 kg

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