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SX751 8-in-1 Portable pH/DO/ORP/Conductivity Meter

pH range: (-2.00 to 19.99) pH
ORP(mV) range: -1999 mV to 0 to 1999mV 
Conductivity range: (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
Availability:
Inquire

  • SX751

  • NADE

  • Two AA alkaline batteries (1.5V x2)

  • 1

  • 1 year

  • China

Product Description

sx751 P4

Portable 8-in-1 pH/DO/ORP/Conductivity/TDS/Salinity/Resistivity/Temperature Meter

SX751 is designed for lab-grade measurement of up to 8 water quality parameters in the field, including pH, ORP (redox), DO
(dissolved oxygen), conductivity, TDS, salinity, and resistivity. It is suitable for general water solutions’ applications such as
water treatment, groundwater, surface water, hydroponics, environmental monitoring, aquaculture, aquarium, beverage making, etc.


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


Application

SX751 application

Specification

pH

Measurement range

(-2.00 to 19.99) pH

Resolution

0.1/0.01 pH

Accuracy

Meter: ±0.01pH; Overall: ±0.02pH

Input current

≤2×10⁻¹² A

Input impedance

≥1×10¹² Ω

Stability

±0.01 pH/3h

Temp. compensation range

(0 to 100) °C (automatic)

 

ORP(mV)

Measurement range (mV/ORP/EH)

-1999 mV to 0 to 1999mV

Resolution

1mV

Accuracy

Meter: ±0.1% FS, Overall: ±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

0.01/0.1μS/cm 0.01/0.1 mS/cm

Accuracy

Meter: ±1.0% F.S, Overall:±1.5% 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), including electrode error

Response time

≤30s (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

Air saturated by water; water saturated by air

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
Complete Kit: (255 x 210 x 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


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