Water analysis
Measured / controlled parameters
pH, ORP, conductivity, TDS, salinity, resistivity, dissolved oxygen, BOD, ion-selective measurements
Measurement / analysis range
pH: 0.00–14.00; ORP: –1500…+1500 mV; conductivity: 0.01 μS/cm – 200.0 mS/cm; TDS: 0.00 mg/L – 50.0 g/L; salinity: 0.0 – 42 ppt; resistivity: 2.5 cm – 49 MΩ·cm; DO: 0.01–20.0 mg/L (0.1–200% saturation)
Measurement accuracy / precision
pH: ±0.002; ORP: ±0.1 mV; conductivity: ±0.5% of reading ±1 digit; DO: ±0.1 mg/L
Temperature measurement range
–10 °C to +110 °C
Temperature compensation
Automatic temperature compensation for pH and DO
Analysis method / operating principle
Luminescent DO measurement method using LBOD101 sensor
Measurable concentration range of substances
BOD: 0.01–20.0 mg/L
Analysis / measurement time
Instant display, auto-stabilization or continuous mode
Cuvette / electrode / sensor type
LBOD101 Luminescent/Optical Dissolved Oxygen Sensor
Number of measurement channels
1 channel (interchangeable sensors)
Availability of automatic mode / programmable cycles
Yes — auto-stabilization, calibration reminders (2 h – 7 d)
Sample volume / sample volume range
BOD bottle 300 mL
Housing / working part material
Impact-resistant plastic
Housing protection class (IP)
IP54 — protection against water splashes and dust
Interfaces and outputs
USB type A, USB type B
Software / PC compatibility
HQD Series Meter Data Transfer Utility (Windows)
Memory / data storage availability
500 records, FIFO
Display / indication type
LCD 440×160 px with backlight
Calibration
pH: 1–3 points; ORP: Zobell standards; DO: 100%, 0%, known concentration, factory
Light source / detector type
Not applicable (optical DO sensor)
Power supply
AC adapter, 4×AA batteries
Battery life
Up to several days on batteries
Operating conditions (temperature, humidity)
0–60 °C; humidity ≤90% non-condensing
Dimensions
859×175×235 mm
Weight
750 g (without batteries) / 850 g (with batteries)
Scope of supply
HQ430D meter, LBOD101 sensor (1 m), BOD bottles (100 pcs), stoppers (25 pcs), BOD cable (6 pcs), adapter, batteries, USB cable, documentation
Certificates and compliance with standards
CE, WEEE, GLP ISO
Additional functions
Buffer auto-recognition, DO barometric compensation, custom buffers, printing