Specifications
AC AdapterOptional universal power adapter
Accuracy (Conductivity)± 1% full scale
Accuracy (TDS)± 1% full scale
Accuracy (mV)±0.2 mV +2 LSD or +0.5 % of reading; whichever is greater
Accuracy (pH)±0.01
Alarm OutputCalibration due alarm
Calibration Points (Conductivity)Auto/manual; one point per range
Calibration Points (pH)Up to 6 points: USA, NIST, DIN or custom
CompensationTemperature: Automatic or manual from -10 to 110 °C
DescriptionPC 450 Meter Only: Meter, 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)
MemoryStores up to 500 data sets
OutputsUSB or RS232
Power SupplyTwo AA batteries (included), >100 hours (without backlight); AC adapter (optional)
Product TypeMultiparameter Meter
Resolution (Conductivity)0.01 μS to 0.1 mS
Resolution (TDS)0.01 ppm to 0.1 ppt
Resolution (mV)0.1 mV ±999.9 mV; 1 mV beyond
Temperature Accuracy±0.5°C, ±0.9°F
Temperature Range (English)14.0°F to 230.0°F
Temperature Resolution0.1 °C/°F
Weight (English)Meter: 1 lb
Weight (Metric)Meter: 0.5 kg
Display TypeLCD Graphic, Backlit
IP RatingIP67
Measurement ModespH, ORP, Ion, Conductivity, TDS, Salinity, Resistivity
Range (Conductivity)0 to 200 mS, 0 to 20 mS if using COMBI03BW probe
Range (TDS)0 to 200 ppt (TDS factor 1.0)
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