Hanna Instruments HI520, Instruction Manual

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31 Input Registers (3xxxx Addresses)
Address Parameter Size Note
30418 bytes 15‑14
30419
bytes 17‑16
30420
bytes 19‑18
30421
bytes 21‑20
30422
bytes 23‑22
30423
CH2 Probe Constant11 Value uint16_t
0 = Incremental (–Min. Range Value ÷ Max. Range Value)
1 = Unit
DO probe
• DO saturation (%DO) 0 or 1
• DO concentration (mg/L) 0
• DO concentration (ppm) 1
EC probe
• EC mode (µs) 0 or 1
• TDS mode (mg/L) 0
• TDS mode (ppm) 1
• Sal % (%) 0 or 1
• Sal ppt (ppt) 0 or 1
• Sal psu (psu) 0 or 1
• Resistivity (Ohm) 0 or 1
2 = Check Glass Impedance
3 = Check Reference Impedance
4 = Temperature Compensation (–Min. Range Value ÷ Max. Range Value)
5 = Manual Temperature Compensation (–Min. Range Value ÷ Max. Range Value)
6 = Temperature Offset (–Min. Range Value ÷ Max. Range Value)
7 = Calibration Timeout (–Min. Range Value ÷ Max. Range Value)
8 = Resolution (–Min. Range Value ÷ Max. Range Value) {0,1,2,3}
9 = Calibration Buffer
• Hanna 0
• NIST 1
10 = Measured mode (Probes measure in different parameters)
DO probe
• DO saturation (%DO) 0
• DO concentration (mg/L) 1
EC probe
• Conductivity (µs, mS) 0
• Total Dissolved Solids (ppm, ppt, mg/L, g/L) 1
• Resistivity (Ohm, Kohm, Mohm) 2
• Salinity % (%) 3
• Sal ppt (ppt) 4
• Sal psu (psu) 5
11 = Parameter Source
• Internal 0
• External 1
12 = EC Temperature Compensation Mode
• Linear 0
• Natural 1
• Standard 2
• None 3
30424
CH2 Probe Constant11 Resolution uint8_t {0,1,2,3}