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SX836

portable pH&Cond&DO meter

Introduction

◆ Double-parameter meter, equipped with pH electrode and conductivity electrode, automatic identification of electrode by meter.
◆ The meter is able to recognize up to 12 types of pH standard buffer solutions. There are three options of standard buffer solutions: USA series, NIST series and Chinese series (CH), there is also customer-defined solution calibration.
◆ The meter provides two special modes for pure water and pure water mixed with ammonia. These special modes offer temperature compensation for pH value, especially suitable for the electricity and petrochemical industries.
◆ The meter is able to switch among conductivity, TDS, salinity and resistivity measurement mode. For TDS measurement, the coefficient is adjustable.
◆ The meter is able to recognize up to 8 types of conductivity standard solutions. There are two options of standard buffer solutions: USA series and Chinese series (CH), there is also customer-defined solution calibration.
◆ The meter has an automatic range feature with automatic non-linear temperature compensation for pure water and high purity water with conductivity values lower than 10uS/cm greatly improving accuracy and suitable for the electricity, microelectronics and pharmaceutical industries.
◆ DO electrode offers a built-in temperature and salinity sensor with automatic temperature compensation and automatic salinity compensation as well as manual barometric pressure compensation. The measurement is more accurate
◆ Polarographic DO electrode with special DO calibration cover, electrode polarization only requires 3-5 min, three combined membranes convenient to renew.
◆ Equipped with calibration solution and portable case and suited in field and on site.
◆ Meter meets IP57 rating.
 

Specification

pH Range (-2.00 ~ 19.99)pH
  Resolution 0.01/0.1 pH
  Accuracy ±0.01 pH ±1digit
  Input current ≤1×10-12 A
  Input impedence ≥1×1012 Ω
  Stability ±0.01 pH/3h ±1 digit
 

Temperature 

compensation

(0 ~ 100)°C(manual or automatic)
mV Range -1,999mV ~ 0 ~ 1,999mV
  Resolution

- 200 mV ~ 0 ~ 200 mV: 

0.1 mV;others:1mV

  Accuracy ±0.1% FS ±1digit
Conductivity Range

Cond:0~200mS/cm 

divided into five ranges:

(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 ±1.0% FS ±1digit
 

Temperature 

compensation

(0 ~ 50)°C(manual or automatic)
  Electrode constant 0.1 / 1 / 10 cm-1
Dissolved Oxygen Range (0 ~ 20.00)mg/L(ppm) (0 ~ 200.0)%
  Resolution 0.01/0.1 mg/L(ppm) 0.1/1 %
  Indicating value accuracy ±0.30 mg/L
  Response time ≤30 s(25℃, response at 90%)
  Zero accuracy ≤ 0.10 mg/L
 

Temperature 

compensation

(0 ~ 45)℃(automatic)
  Salinity compensation (0 ~ 45)ppt(automatic)
 

Barometric pressure

compensation

(66.0 ~ 199.9)kPa(manual)
  Electrode type Polarographic
Temperature Range 0~100°C
  Resolution 0.1℃
  Accuracy ±0.5℃±1digit

Other Technical 

Parameters

Data storage 1000 groups
  Storage content

Serial number, date, time, 

measuring value, measuring 

unit and temperature value

  Power

AAA batteries × 3 (1.5V× 3) / DC5V 

adaptor ( USB port)

  Dimension & Weight

Meter: (88×170×33 )mm / 313g;

Portable case:(480×360×95)mm/3.2kg

  IP rating IP57 dustproof and waterproof
 

Standard Kit Includes

1. SX836 portable pH/Cond./DO meter 1unit
2. 201T-Q plastic three-in-on pH electrode 1pc
3. 2301T-Q plastic conductivity electrode 1pc
4. DO500 DO electrode 1pc
5. pH standard buffer solution (4.00/7.00/10.01pH/50mL) 1 bottle each
6. Conductivity calibration solution (84μS /1413 μS/cm/12.88 mS/cm /50mL) 1 bottle each
7. DO501 DO inner solution (30mL) 1pc
8. DO502 cathode polishing paper 2pcs
9. DO503 DO electrode membrane cap 3pcs
10. PC-Link communication software disk 1disk
11. USB communication cable 1pc
12. USB adaptor (DC 5V) 1pc
13.Combined electrode clip 1pc
14. Manual 1book
15. Big portable case 1pc
 

Optional Accessories

Accessory Category Description Specifications
pH combination electrode

2501-C glass pH 

combination electrode 

Suited for general water 

such as surface water, tap water, 

waste water and seawater, 

etc. BNC connector.

 

2503-C glass pH 

combination electrode

Suited for turbid or colloidal 

solution such as milk, 

jam, water paint, cosmetics, 

waste water and sludge, 

etc. BNC connector.

 

2503D-C glass pH 

combination electrode

Suited for solution with 

low ionic strength and 

high purity water, BNC connector.

 

2015P-C surface pH combination 

electrode

Suited for medium with 

moist surface such as skin, 

paper, cloth, fruit, meat, 

colloidal solution and 

micro-solution, BNC connector.

ORP combination electrode

301Pt-C ORP 

combination electrode

Test ORP, BNC connector.
Conductivity electrode

2310T-Q plastic 

conductivity electrode(K=10)

Suited for solution with 

polyelectrolyte such as 

seawater and strong brine, 

have automatic temperature 

Compensation function,

4 pin connector.

 

DJS-0.1-Q glass 

conductivity electrode(K=0.1)

Test conductivity of high 

purity water, there is also flow 

cell, have automatic temperature 

compensation function, 4 pin connector.

  Glass flow cell Match DJS-0.1-S electrode.
DO electrode DO500 DO electrode

Polargrafic DO electrode, 

suited for application in lab 

and field, 8 pin connector.

DO electrode accessory DO503 DO electrode membrane cap

Combined membrane cap, 

special for DO500 DO 

electrode, specification: 

3 units per group.

 

DO502 DO electrode 

electrolyte

Supplement electrolyte, 

special for DO500 DO 

electrode, specification:

30mL/bottle.

 

DO501 negative 

electrode polishing paper

Polishing paper,special 

for cleaning negative 

electrode of DO500 DO 

electrode, specification:

2 pcs/group.

Temperature electrode

MP500-Q temperature 

sensor

Use with pH combination 

electrode, 4 pin connector.

pH buffer pH4.00 buffer 500mL/250mL/50mL(bottle)
  pH6.86 buffer 500mL/250mL/50mL(bottle)
  pH9.18 buffer 500mL/250mL/50mL(bottle)
  pH7.00 buffer 500mL/250mL/50mL(bottle)
  pH10.01buffer 500mL/250mL/50mL(bottle)
Conductivity standard

84 μS/cm 

conductivity standard

500mL/250mL/50mL(bottle)
 

1413 μS/cm 

conductivity standard

500mL/250mL/50mL(bottle)
 

12.88 mS/cm 

conductivity standard

500mL/250mL/50mL(bottle)
 

146.6 μS/cm 

conductivity standard

500mL/250mL/50mL(bottle)
 

1408 μS/cm 

conductivity standard

500mL/250mL/50mL(bottle)
 

12.85 mS/cm 

conductivity standard

500mL/250mL/50mL(bottle)

Electrode soaking 

solution

combination electrode 

soaking solution

500mL/250mL/50mL(bottle)
ORP standard solution 222 mV ORP standard solution 250mL/100mL/50mL(bottle)
Portable case Big portable case(480×360×95)mm Match SX816, SX823, SX825, SX836