APERA, pH/ORP/Cond./Sal./Res./DO Meter pH/DO/ORP/Conductivity/TDS/Salinity/Resistivity/Temperature Portabel

Basic Features :
- Intelligent functions : auto. calibration, auto. temperature compensation, self-diagnosis, data logging, auto. power off, and more.
- Digital filter technology : enhance the meter’s response time and measurement accuracy
- Automatic electrode recognition : the meter automatically switches to the right parameter mode according to the connected electrode
- Data logging : 400 sets of data storage and recall
- Built tough : IP57 water-resistant structure, ideal for use in harsh environment

pH
Measurement range : (-2.00 to 19.99) pH
Resolution : 0.1/0.01 pH
Accuracy : ±0.01pH±1 digit
Input current : ≤2×10-12 A
Input impedance : ≥1×1012 Ω
Temp. compensation range : (0 to 100) ˚C (automatic)

ORP
Measurement range (mV/ORP/EH) : -1999 mV to 1999mV
Resolution : 1mV
Accuracy : ±15mV

Conductivity
Measurement range Conductivity:
(0.00 to 19.99) μS/cm (20.0 to 199.9) μS/cm
(200 to 1999) μS/cm (2.00 to 19.99) mS/cm
(20.0 to 199.9) mS/cm
TDS: (0 to 100) g/L; Salinity : (0 to 100) ppt
Resistivity : (0 to 100) MΩ·cm
Resolution : 0.01/0.1/1μS/cm; 0.01/0.1 mS/cm
Accuracy : ±1.0% F.S
Temp. compensation range : (0 to 50) ˚C (automatic)
Electrode constant : 0.1 / 1 / 10 cm-1
Reference temperature : 25˚C, 20˚C, and 18˚C

Dissolved Oxygen
Measurement range : (0 to 19.99) mg/L (ppm); (0 to 200.0) %
Resolution : 0.1/0.01 mg/L (ppm) 1/0.1%
Accuracy : ±0.30 mg/L (ppm)
Response time : ≤30 seconds (25˚C, 90% response)
Temp. compensation range : (0 to 45) ˚C (automatic)
Salinity compensation range : (0 to 45) ppt (automatic)
Barometric pressure compensation range : (66 to 200) kPa (manual)
Automatic calibration : One or two points at 100% (water-saturated air) and 0%
Electrode type : Polarographic

Other Technical Parameters
Data storage : 400 sets
Data content : Serial number, measurement value, measurement unit, and temperature
Power Supply : Two AA alkaline batteries (1.5V x2)
Dimensions and weight Meter: (65×120×31) mm/180g
Dimensions and weight Complete Kit: (255 x 210x 50) mm/1760g
Quality and safety certification : CE, ISO 9001:2015

Working Condition
Working temperature : 5 to 35˚C
Working humidity : ≤85%
IP rating : IP57 water-resistant