DDS-1702 Portable Conductivity Meter
DDS-1702 Portable Conductivity Meter is an instrument used for the measurement of the conductivity of aqueous solution in the laboratory. It is widely used in petrochemical industry, bio-medicine, sewage treatment, environmental monitoring, mining and smelting and other industries as well as junior college institutions and research institutes. If equipped with conductivity electrode with the appropriate constant, it can also be used to measure the conductivity of pure water or ultra-pure water in electronic semiconductor or nuclear power industry and power plants.
Technical Indexes
Measure Range Conductivity 0.00 S/cm199.9 mS/cm
TDS 0.1 mg/L 199.9 g/L
Salinity 0.0 ppt80.0 ppt
Resistivity 0.cm 100M.cm
TemperatureATC/MTC -5105
Resolution Conductivity / TDS / salinity / resistivity Automatic sorting
Temperature 0.1
Electronic unit error Conductivity ±0.5 % FS
Temperature ±0.3
Calibration 1 point
9 preset standards (Europe and America, China , Japan)
Data storage Calibration data
99 measurement data
Power requirements 4xAA/LR6(No. 5 battery)
Monitor LED monitor
Shell ABS
DOS-1703 Portable Dissolved Oxygen Meter
DOS-1703 portable dissolved oxygen meter is outstanding for ultra-low power microcontroller measurement and control, low power consumption, high reliability, intelligent measurement, using polarographic measurements, without changing the oxygen membrane. Having reliable, easy (one-hand operation) operation, etc.; the instrument can display dissolved oxygen concentration in two kinds of measurement results indicates, mg / L (ppm) and the oxygen saturation percentage (% ), in addition, measure the temperature of the measured medium simultaneously.
Technical indexes
Measuring range DO 0.00--50.0mg/L
0.0--500%
Temp 0 60 ATC/MTC
Atmosphere 300--1100hPa
Resolution DO 0.01mg/L,0.1mg/L(ATC
0.1%/1%(ATC
Temp 0.1
Atmosphere 1hPa
Electronic unit measurement error DO ±0.5 % FS
Temp ±0.2
Atmosphere ±5hPa
Calibration At most 2 point, (water vapor saturated air/zero oxygen solution)
Power supply DC6V/20mA; 4 x AA/LR6 1.5 V or NiMH 1.2 V and chargable
Size/Weight 230 100 35(mm)/0.4kg
Display LCD
Sensor input connector BNC
Data storage Calibration data99 groups measurement data
Working condition Temp 5...40
Relative humidity 5%...80% (without condensate)
Installation grade â?¡
Pollution grade 2
Altitude
PHS-1701 Portable pH Meter
PHS-1701 portable pH meter is a digital display PH meter, with LCD digital display, which can display PH and temperature values simultaneously. The instrument applies to the labs in junior college institutions, research institutes, environmental monitoring, industrial and mining enterprises and other departments or field sampling to determine the aqueous solutions PH values and potential (mV) values. Equipped with ORP electrode, it can measure the solutions ORP (oxidation-reduction potential) value; equipped with the ion specific electrode, it can measure the electrode potential value of the electrode.
Technical Indexes
Measuring range pH 0.00â?¦14.00
mV -1999â?¦1999
Temp -5---105
Resolution pH 0.01pH
mV 1mV
Temp 0.1
Electronic unit measurement error pH ±0.01pH
mV ±1mV
Temp ±0.3
pH calibration 1point, 2 point, or 3 point
Isoelectric point pH 7.00
Buffer solution 8 groups
Power supply DC6V/20mA 4 x AA/LR6 1.5 V or NiMH 1.2 V and chargable
Size/Weight 230 100 35(mm)/0.4kg
Display LCD
pH input BNC resistor >10e+12
Temp input RCA(Cinch) NTC30k
Data storage Calibration data 198 groups measurement data 99 groups for pH ?mV each)
Working condition Temp 5...40
Relative humidity 5%...80%(without condensate)
Installation grade
Pollution grade 2
Altitude