P-520 Portable pH-Conductivity Meter
Main Features
●Large LCD screen with controllable white backlight.
●Humanized designs like rack and skid proof shell make it more convenient for users.
●Double-parameter and equipped with pH electrode and conductivity electrode, can recognize electrode automatically.
●Built-in microprocessor chip with functions of auto calibration, auto temperature compensation, data storage, function setup, self-diagnosis, auto power off, low voltage display.
●Auto recognition of standard pH buffers and there are three series of standard buffers for option: USA, NIST and China.
●Able to set pH measurement modes of high purity water and pure water with ammonia.
●Auto recognition of 8 standard conductivity buffers and there are two series of standard buffers for option: USA series, China series.
●Adopt advanced conductivity measurement technology, one point calibration of conductivity electrode can meet the measuring accuracy requirements for test 0.5μ S/cm ~ 200mS/cm.
●Able to switch between conductivity, TDS, salinity and resistivity multinomial calculation for TDS and salinity to ensure the conversion precision of the full scale.
●Conductivity mode has the function of non-linear temperature compensation for high purity water.
●IP57 and equipped with calibration solution and carrying case.
Specifications:
pH : Measuring range : (-2.00 ~ 19.99) pH
Resolution : 0.1/0.01 pH
Accuracy : ±0.02 pH
Input current : ≤2×10-12 A
Input impedance : ≥1×1012 Ω
Stability : ±0.01 pH/3h
Temp compensation : (0 ~ 100)℃ (automatic)
mV : Measuring range : -1999mV ~ 0 ~ 1999mV
Resolution : 1 mV
Accuracy : ±0.1% FS
Conductivity : Measuring range : Conductivity:(0.00 ~ 19.99) μS/cm
(20.0 ~ 199.9)μS/cm (200~1999)μS/cm
(2.00 ~ 19.99)mS/cm (20.0 ~ 199.9)mS/cm
TDS: (0 ~ 100) g/L
Salinity: (0 ~ 100) ppt
Resistivity: (0 ~ 100) MΩ·cm
Resolution : 0.01/0.1/1μS/cm, 0.01/0.1 mS/cm
Accuracy : Electrode: ±1.0% FS
Instrument:±1.5%FS
Temp compensation : (0 ~ 100)℃ (automatic)
Electrode constants : 0.1/1/10 cm-1
Reference temperature : 25℃, 20℃, 18℃
Others : Data storage : 200 groups
Storage contents : Series number, measuring value measuring unit and temperature
Power : Two AA batteries(1.5V×2)
Dimensions & Weight : 160×90×30mm/360g (instrument)
480×300×60mm/1KG (with packing)
Working Condition : Ambient temperature : (5 ~ 35)℃
Ambient humidity : ≤85%
IP grade : IP57