5903 online calcium ion meter

Technical specifications

• 1, Standard: JB/T 6858-2018《 and ion-meter test methods》.
• 2, Measuring range: (0.5–2000) mg/L.
• 3, scale division: 0.1ug/L, 0.01mg/L, 0.1mV; potential value: (–1999–+1999)mV.
• 4, Automatic temperature compensation range: (0–99.9)℃, referenced to 25°C.
• 5, Accuracy: ≤±2.5%·FS; ≤±0.3℃.
• 6, Sample water(0–99.9)℃, 0.6Mpa.
• 7, Input impedance: ≥1012Ω.
• 8, electronic unit automatictemperaturecompensation error: ±1.5%.
• 9, Electronic unit repeatability error: of reading ±2.5%.
• 10,: ±1.5% /24h.
• 11, current Isolated output: (4–20)mA(load<750 Ω).
• 12, communication interface: RS485(optional).
• 13, data storage capacity: 1 months(1 pt/5 min).
• 14, Power supply: AC220V±22V  , 50Hz±1Hz; optionalDC24Vpower supply.
• 15, sensor mounting: flow-through or submersible.
• 16, instrument Overall dimensions: 159 (L)×159 (W)×138 (D)mm; Cutout size: (138×138)mm
• 17, Ingress protection: IP65.
• 18,    : 1.0kg.
• 19, Operating conditions: Ambient temperature (0–60)℃   Relative humidity <85%.

Standard configuration

• 1, 5903instrument                     one
• 2, measurementsensor                    one
• 3, instruction manual                    one
• 4, certificate of conformity                        one copy of
• 5, flow cell(flow-through mounting only)        one
• 6, referencesensor(flow-through mounting only)    one
• 7, temperaturesensor(flow-through mounting only)    one

description: uses flow-throughinstallation, electrodeincluding: measurementsensor, referencesensor, temperaturesensorone; if using submersible mounting, with combination sensorone.

Features

• 1, fast sensor response;
• 2, sensor measurement Stability;
• 3, high sensor measurement accuracy;
• 4, microprocessor-based, uses high-performanceCPUchip, AccuracyADconversion technology and SMTSMT technology;
• 5, EMC(EMC/RFI)design: designed to European StandardEN50081/50082design and manufacture;
• 6, dustproof and waterproof transmitter design.