Specifications
AC AdapterOptional
Accuracy (DO)±2 %; ±0.1 ppm or mg/L up to 8; ±0.2 ppm or mg/L above 8
Accuracy (mV)±0.2 mV +2 LSD or +0.5 % of reading; whichever is greater
Accuracy (pH)±0.01
Battery Life100+ hr. (without backlight)
Battery Type2 AA (included)
CalibrationmV: ±200 mV, DO: Zero and saturation, Temp: Offset in 0.1 increments, ±10 °C or &
Calibration Points (pH)Up to 6 points: USA, NIST, DIN or custom
CompensationPressure & Salinity Compensation: manual
DescriptionPD 450 Meter & Electrodes: Meter, pH/ATC electrode, RDO electrode with sensor cap, two AA batteries
Dimensions (L x W x H)Meter: 7 7/8in x 3 1/8in x 2 1/4in (20 x 8.3 x 5.7 cm), Boxed: 9 1/8in x 9 1/8in x 2 3/4in (23 x 23 x 7 cm)
IncludesTime and date stamp on calibration and stored data
MemoryStores up to 500 data sets
OutputsUSB or RS232
Product TypeMeter with Electrodes
Range (Polarographic DO)0 to 200 %; 0 to 20 ppm/mg/L
Resolution (Polarographic DO)0.10 %; 0.1 ppm/mg/L
Resolution (mV)0.1 mV ±999.9 mV; 1 mV beyond
Temperature Accuracy±0.5°C, ±0.9°F
Temperature CompensationAutomatic or manual from -10 to 110 °C
Temperature Range (English)14.0°F to 230.0°F
Temperature Resolution0.1 ºC/ºF
Weight (English)Meter: 1 lb , Boxed: 1.4 lb
Weight (Metric)Meter: 0.5 kg, Boxed: 0.7 kg
Display TypeBacklit Custom LCD
IP RatingIP67
Measurement ModespH, mV, Dissolved Oxygen, Temperature
Range (mV)±2000 mV
Range (pH)-2 to 16
Resolution (pH)0.01
Temperature Range (Metric)-10.0°C to +110.0°C
Unit SizeEach