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, 3 A and 30 V DC, 3 A (resistance load).
Contact function: Selectable from upper/lower limit operation (ON/OFF control), alarm, and maintenance.
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 (350 Ω (25℃), 500 Ω (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.).
Construction: Panel-mounting type for indoor use.
Panel case: ABS.
Terminal: PBT.
Panel: Water-resistant structure.
Protection structure:
Front panel: IP65 (IEC60529, JIS C0920).
Rear case: IP20.
Terminal: IP00.
Class II equipment (IEC61010-1).
Pollution degree 2 (IEC61010-1).
Applicable standards:
CE certification.
EMC Directive: EN61326-1.
Low Voltage Directive: EN61010-1.
RoHS Directive: EN50581.
Immunity (Industrial electromagnetic environment).
Noise increase: ±0.2 pH or less.
FCC Rules: FCC Part 15.
External dimensions: 48 (W) × 96 (H) × 115 (D) mm.
Case depth: Approx. 105 mm.
Weight: Approx. 400 g.
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