PH-98 Lab. pH/ORP/Temperature Meter

This instrument and built-in microprocessor chips, good looking, feature-rich, easy to use, with the following notable features:

High accuracy 0.001

new designs, large screen displays

User-friendly interface, stability indicating identity

Three standard, two-point or single-point automatic calibration

Automatic temperature compensation, or manual temperature compensation of

Wide range of PH and redox potential measurements

Specifications:

PH-2601 PH/Temp Meter

PH-2602 PH/ORP/Temp Meter

PH-2603 PH/ORP/Temp/EC/CF/TDS Meter

PH-016 Bench-top PH/ORP/Temp Meter
Measuring range:PH:0.00~14.00PH; mV:0~±1999mV; Temp:0~ 100ºC
Accuracy: PH:±0.01pH; mV:±0.1% F.S ±1 digit; Temp: ±0.4ºC
Resolution: PH: 0.01pH; mV: 1mV; Temp: 0.1ºC
Environment Temperature: 0 ºC ~ 50ºC, Humidity:≤95%
Display: 4-digital LCD
Power Supply: AC110V/220V, 50/60Hz
Input Impedance: 1012Ω
Dimensions: 240×185×100mm3
Weight: 660g

Packing: standard exporting white paper box; G.W.: 1.41kgs.
Note: Standard packing without ORP probe.

PH-016A Bench-top PH Meter
This model is designed based on KL-016, only with ph function.
Technical Specification:
Measuring rang: 0.00~14.00PH
Accuracy: ±0.05PH
Resolution: 0.01PH
Environment Temperature: 0ºC~50ºC Humidity: ≤95%
Display: 4-digital LCD
Power Supply: Input AC220V, Output DC6V
Input Impedance: 1012
Dimensions: 240×185×100(mm3) Weight: 736g

Packing: standard exporting white paper box; G.W.: 1.5kgs.

Bench pH/Temp Meter PHS-3C

BNC with the composite electrode and around the power adapter, around the world to facilitate the replacement of electrodes, used.
Technical Specification:
Range: PH 0.00~14.00PH; ºC: 0~100ºC
Resolution: PH 0.01PH; ºC: 0.1ºC
Accuracy: PH ±0.02PH; ºC: ±0.5ºC
Display: PH 4-digital LED; ºC: 3-digital LED
Automatic Temperature Compensation (ATC): 0ºC~50ºC
Power Supply: AC220V 50Hz; AC110V 50HZ
Operating Temperature: 0ºC~50ºC
Calibration: 2 points with auto buffer calibration.

Packing: standard exporting white paper box; G.W.: 1.41kgs.

PHS-W series precision pH/mV meter include the PHS-25CW, 3CW, 3BW. The meters are used to measure acidity and alkalinity of liquids

Two-Points Push-Button Calibration:
PHS-W series with two points calibration function, it will prompt pH calibration solution when you calibrate the meter. You need only immerse the pH electrode into standard solution and press [ CAL ] key, then the meter will be calibrated automatically.
Auto-Buffer Recognition:
In calibration, the meter will display ERROR automatically if you use pH standard solution by mistake or not by the direction.
Viewing of Electrode Slope:
After calibration, the meter will indicate electrode slope, you can judgement by the indicator to replace

electrode or not.

Automatic Temperature Temperature:
PHS-3BW with temperature sensor, which can measure temperature of solution and can automatic temperature compensation.

Keypad and Electrode Holder:
The meter with waterproof panel, it's user can not worry for the sample solution splashing over the meter. The electrode holder can be used conveniently.

PHS-W series MICROPROCESSOR pH/mV METER
Model: PHS-25CW PH/ORP Meter
pH Range: 0.00 to 14.00pH
Resolution & Accuracy: 0.01 & 0.05pH
Range: 1999mV
Resolution & Accuracy: 1mV & 10mV
Calibration Points: 2 points
pH Buffer Options: pH4.00, pH6.86, pH9.18
Temperature Compensation: 0 to 99ºC, Manual
Dimensions: 210mm(L) 205mm(W) 65mm(H)
Power: 9VDC, using AC adapters 110VAC/220VAC, 60/ 50Hz

Note: Standard packing without ORP probe.
Model: PHS-3CW PH/ORP Meter
pH Range: 0.00 to 14.00pH
Resolution & Accuracy: 0.01 & 0.01pH
Range: 1999mV
Resolution & Accuracy: 1mV & 2mV
Calibration Points: 2 points
pH Buffer Options: pH4.00, pH6.86, pH9.18
Temperature Compensation: 0 to 99ºC, Manual
Dimensions: 210mm(L) 205mm(W) 65mm(H)
Power: 9VDC, using AC adapters 110VAC/220VAC, 60/ 50Hz

Note: Standard packing without ORP probe.
Model: PHS-3BW PH/ORP/Temp Meter
pH Range: 0.00 to 14.00pH
Resolution & Accuracy: 0.01 & 0.01pH
Range: 1999mV
Resolution & Accuracy: 1mV & 2mV
Temperature Range: 0 to 99 ºC
Resolution & Accuracy: 1 ºC & ±1 ºC
Calibration Points: 2 points
pH Buffer Options: pH4.00, pH6.86, pH9.18
Temperature Compensation: 0 to 99 ºC, Manual or Automatic
Dimensions: 210mm(L) 205mm(W) 65mm(H)
Power: 9VDC, using AC adapters 110VAC/220VAC, 60/ 50Hz

Note: Standard packing without ORP probe.

PHS-W series pH/mV meter with electrode holder, pH buffers, refillable glass pH electrode and power adapter.

PHS-3WB are also with temperature probe.

PHS90 series water quality meters are designed for

high performance and easy operation. With 4 models to

choose from per your requirements. The meters are capable
of measuring up to 8 water quality parameters, including pH,

ORP, Ion, Conductivity, TDS, Salinity, Resistivity, DO and

temperature.

FEATURES:

:: 2 points push-button calibration with automatic buffer
   recognition
:: Manual or automatic temperature compensation for best
   accuracy under fluctuating temperatures
:: View electrode slope

:: Auto-ranging capability to detect the appropriate

   measurement range for conductivity

:: Adjustable temperature coefficient, TDS factor, cell

    constant

:: 100% and zero adjustment calibrations in DO mode

:: Automatically compensates salinity and barometric

   pressure after manual input for increased accuracy

:: Automatic message indicator to help you operate meter
:: Expanded memory stores and recalls up to 99 data sets

:: Built-in real-time clock stamps for stored data

:: USB Communication interface

METERS INCLUDED:
Electrode Holder, Power Adapters, Temperature Probe

:: PHS900: pH/Conductivity/DO Electrode, pH Buffers

:: PHS901: pH/Conductivity Electrode, pH Buffers

:: PHS902: pH/DO Electrode

:: PHS903: Conductivity/DO Electrode

Standard delivery does not include ORP and Ion electrode, need buy separately.

PHS90 SERIES  MULTIPARAMETER WATER QUALITY METER

Specification

Feature:
> Microprocessor-based
> High resolution and accuracy (Up to ±0.002 pH accuracy) for precise measurement
> Two point push-button calibration with auto-buffer recognition
> Automatic temperature compensation for best accuracy under fluctuating temperatures
> Viewing of electrode slope
> Automatic message prompts
> Expanded memory stores and recalls up to 99 data sets
> USB Communication interface can be sent data to computer

PHS920/921/922  PRECISION pH/mV/ORP/ºC/ºF METER
PHS92X series include PHS920, 921 and 922. The meters are used to measure acidity, alkalinity or oxidation-reduction potential of liquids.

What's included:
pH glass electrode, pH buffers, electrode holder, 9V power adapters, temperature probe, ORP electrode (Only for PHS922).

Specification:

FEATURES:

:: Ion concentration mode directly displays readings in ppm,

   ppt or any other units of your choice
:: Calibrate up to 3 points for pH using USA or NIST buffer

   sets; Up to 5 points for ion concentration measurement
:: Auto-buffer recognition eliminates calibration mistakes

   and ensures calibration accuracy
:: Automatic temperature compensation for best accuracy

   under fluctuating temperatures
:: Meter automatically calculate and display electrode slope
:: Automatic message prompts help your easy to operate meter
:: Expanded memory stores and recalls up to 99 data sets
:: USB Communication interface can be sent data to PC

METERS INCLUDED:

pH Buffer, pH/ORP Electrode, Temperature Probe, Power Adapters,

Electrode Holder

PHS930 PRECISION pH/Ion/ORP/^oC/^oF METER

PHS930 is high accuracy meter used for measuring pH,

Oxidation-Reduction Potential(ORP), ion concentration and

temperature.

SPECIFICATIONS:

Standard configuration:

1. Main instrument	1
2. Power cable	1
3. PH Combined Electrode	1
4. Temperature Sensor	1
5. Multi-function Electrode Support Stand	1
6. PH4, 6.86, 9.18 Buffer	5 bags for each
7. Data Collecting software	1
8. RS-232 Communication Line	1
9. TP-16 Print Connection Line	1

Overall dimension & weight:

Shipping package dimension: 332-265-275mm

Gross weight: 3kg Net weight: 2kg

PHSJ-3F  PH/ORP/Temp Meter
Characteristics:
1. Blue back-light & LCD displaying;
2. Automatic temperature compensation, automatic calibration and automatic calculation of percentage theoretical slope of electrodes;
3. Measurement results can be stored, deleted, searched and printed. It can store 50 sets of measurement data;
4. Protection from electricity cutting off.;
5. One point or two points automatic calibration can be conducted on the meter with five types of pH buffer solution selected by users within the temperature range of 0-60ºC;
6. With RS-232 interface for connecting TP-16 printer using DC 1.0 software of data-collection to communicate with computers;
7. Users can measure the pH value of ultra-pure water, pure water and boiler water through adjustment of equipotential point to select special electrodes.

Specifications:
1. Measurement range :

pH: (-2.00~18.00)pH
mV: (-1999.9~1999.9)mV
Temp.: (0..0~100.0) ºC
2. Resolution:

pH:0.01pH,
mV: 1 mV
Temp.: 0.1 ºC
3. Accuracy pH: ±0.01pH±ibit
mV: ±1mV±1bit
Temp.: ±0.3 ºC±1bit
4. Input impedance:1 x 10 12 Ω
5. Stability: ±0.01pH ±1bit/3h
6. Temperature compensation range: 0.0~100.0ºC
7. The temperature of the measured solution:5~60ºC

Note: Standard packing without ORP probe.

Standard configuration:

1. Main instrument	1
2. Power cable	1
3. PH Combined Electrode	1
4. Temperature Sensor	1
5. Multi-function Electrode Support Stand	1
6. PH4, 6.86, 10.00 Buffer	5 bags for each

Overall dimension & weight:

Shipping package dimension: 332-265-275mm

Gross weight: 3kg  Net weight: 2kg

PHS-3E PH/ORP/Temp Meter
CHARACTERISTICS:

1. 3 1/2 LED
2. Manual and automatic temperature compensation function
3. Two-points calibration
4. With CE certification

SPECIFICATION:

1. Measuring range
pH: (0.00~14.00)pH
mV: (-1999~1999)mV
Temp.: (0.0~100.0)ºC
2. Resolution
pH: 0.01pH
mV: 1mV
Temp.: 0.1ºC
3. Accuracy:
pH: ±0.01pH±1bit
mV: ±0.1%mV(FS) ±1bit
Temp.: ±0.5ºC±1bit
4. Input impedance: 1×1012Ω
5. Stability: ±0.01pH±1bit/3h
6. Temperature compensation range: (0.0~60.0)ºC
7. Temperature of the solution measured: (0~60)ºC

Note: Standard packing without ORP probe.

Standard configuration:

1. Main instrument	1
2. Power cable	1
3. PH Combined Electrode	1
4. Multi-function Electrode Support Stand	1
5. PH4.00, 7.00, 10.00 Buffer	5 bags for each

Optional accessories:

PH4.00, 6.86, 9.18 Buffer

5 bags for each

Overall dimension & weight:

Shipping package dimension: 332-265-275mm

Gross weight: 3kg Net weight: 2kg

PHS(JK)-3C   PH/ORP Meter
CHARACTERISTICS:
1.3 1/2 LED displaying
2.Manual temperature compensation function
3.Two-points calibration
4.With CE certification

SPECIFICATION:
1. Measuring range
pH: (0.00~14.00)pH
mV: (-1800~1800)mV
2. Resolution
pH: 0.01pH
mV: 1mV
3. Accuracy:
pH: ±0.01pH±1bit
mV: ±1mV ±1bit
4. Input impedance: 1×1012Ω
5. Stability: ±0.01pH±1bit/3h
6. Temperature compensation range: (0.0~60.0)ºC
7. Temperature of the solution measured: (5~60)ºC

Note: Standard packing without ORP probe.

Optional Accessories

SRS-3G  PH/ORP Meter

Functions:
1, Large screen, LCD display, dual parameter
2, Automatic buffer recognition and two-point calibration
3, It has the function of manual temperature compensation.
4, The instrument is equipped with electromagnetic mixing.
5, It is equipped with pH combination electrode.

Standard Configuration (SRSJ-5)

Optional Accessories (SRSJ-5)

SRSJ-5 pH Meter (touch screen)

Functions:
1. The instrument is equipped with large LCD Touch Screen and English operation system for easy use.
2. Several kinds of pH buffer solution can be chosen for instrument calibration. Furthermore, the buffer solution can be prepared by users.
3. The instrument can recognize five types of buffer solution automatically.
4. It has many functions such as automatic and manual temperature compensation, self-calibration and automatic calculation of electrode slope.
5. The data can be stored, deleted, printed and viewed, and the quantity of measuring data can be maximized to 200 sets.
6. It has standard RS-232 and USB interface. To match with data collecting software, it can be communicated with computer.
7. It is equipped with pH combination electrode and T-820C temperature electrode.

SPECIFICATION:

Standard Configuration (SRSJ-226)

Operational Accessories

SRSJ-226 Ion Meter (touch screen)

Functions:
1. Large LCD touch screen and English operation interface
2. Support multiple common ion mode (such as H+,Ag+,Na+,K+,NH4+,Cl-,F- etc...). The user
can define specific ion mode and test other ions.
3. It can measure pH value, and several kinds of buffer solutions can be selected to have
one-point or two-point (up to 5-point)calibration. The user can establish standard buffer
groups and the meter can recognize 10 kinds of buffer solutions.
4. The test results can be stored, deleted, viewed, printed or transmitted to PC. It can store up to 350 sets of measuring results. For other ions, the user can store up to 100 sets of pX measuring results and 100 sets of concentration measuring results.
5. It is equipped with RS-232 and USB interface. If matched with specific data collecting
software, it can be connected with PC.

SPECIFICATION:

Standard Configuration (SRS-708)

Optional Accessories (SRS-708)

Instrument functions:
1. It has 5.7 inch large touch screen and English operation system for easy use.
2. It can measure pH, pX, ORP, ion concentration, conductivity, resistivity, TDS, salinity, dissolved oxygen, saturation and temperature at the same time.
3. It provide many ion modes such as H+, Ag+, Na+, K+, NH4+, Cl-, F-, NO3-, BF4-, CN-, Cu2+, Pb2+, Ca2+. The users can define ion modes by themselves if choosing corresponding ion sensors.
4. It follows GLP practice and can store 2200 sets of measuring data.
5. Measuring data can be viewed, printed and deleted. The user can view current measuring data and the last calibration data.
6. It provides zero oxygen and full scale calibration,.
7. It has RS-232 and USB interface. If matched with specific data collecting software, it can be connected with PC.
8. It provides three measuring modes: continuous measuring, timed measuring and balance measuring mode.

SRS-708  Benchtop Multi-parameter Water Quality Meter (touch screen)

SPECIFICATION:

MP 500 series of electrochemical meters are the perfect products with advanced electronic, sensor and software design technology. Products contain more than ten kinds of electrochemistry measuring parameters and classified 14 kinds of electrochemistry meters. They are the best lab water analytical meters for their highest performance and the lowest cost.

- Nice appearance, easy to use. It equips a flexible electrode holder, intelligent stirrer and a brief operation manual.

- Meter meets with the requirement of international GLP standards. It features up to automatic calibration, automatic temperature compensation, storage data, clock display, time measurement, RS232 output, functions setting and self-diagnose information etc.

- It adopts digital filter and step slipping technology to improve meter's response speed and repeatability.

- Meter has the only product serial number.

- Dustproof and waterproof meter meets IP54 standards.

Model: SR511 Lab PH Meter

Measuring Parameters:  PH, mV and temperature

Features and Applications:

- Economical bench-top PH meter

- Equips three-in-one PH electrode, fast response and easy to use.

- Be suitable for lab generally use

Specifications:

Range:

PH: -1.99 to 19.99 PH mV: ±1999 mV

Temp: (-10 to 110) ºC

Accuracy: PH: ±0.01 PH 

mV: ±0.1% full scale

Temp: ±0.5 ºC

Other Parameters: 

ATC:  (0 to 100) ºC

Storage Data: 600 groups;  

Communication Connector: RS-232;

Power: DC9V/300mA;  

Size & Weight: (160×190×70)mm/880g

What's included:

1. 201T-M plastic PH/ATC three-in-one electrode (Customer's asking: 2503-C glass electrode+50ml solution for refilling+SR500 temperature probe)

2. Model 602 flexible electrode holder

3. 9V power adaptor

4. PH buffer solution (4,7,10) 50ml

5. RS-232 communication software

Features and Applications:

- High precision bench-top PH meter.

- Equips model 2503-C PH electrode, suitable for measure the weaker ionic strength, feculent and colloidal solution.

- PH measure mode for high purified water and ammonia added purified water can be setup, suitable for use in electric power and petrifaction industry.

- Nice appearance, easy to use. It equips a flexible electrode holder, intelligent stirrer and a brief operation manual.

- Meter meets with the requirement of international GLP standards. It features up to automatic calibration, automatic temperature compensation, storage data, clock display, time measurement, RS232 output, functions setting and self-diagnose information etc.

- It adopts digital filter and step slipping technology to improve meter's response speed and repeatability.

- Meter has the only product serial number.

- Dustproof and waterproof meter meets IP54 standards.

Model: SR512 Precision PH Meter

Measuring Parameters: PH, mV and temperature

Specifications:

Range:

PH: -1.999 to 19.999 PH;

mV: ±1999.9 mV

Temp:  (-10 to 110) ºC

Accuracy:

PH: ±0.002 PH; mV: ±0.03% full scale

Temp: ±0.4 ºC

Size & Weight: (160×190×70)mm/880g

Other Parameters:

ATC: (0 to 100) ºC

Storage Data: 600 groups;

Communication Connector: RS-232;

Power: DC9V/300mA;

What's included:

1. 201T-M plastic PH/ATC three-in-one electrode

2. 2503-C glass PH combination electrode

3. SR500 temperature probe

4. Model 602 flexible electrode holder

5. RS-232 communication software

Features and Applications:

- The most useful PH and conductivity double-parameter meter.

- Economical bench top meter meets GLP standards, it is a worthy product for its good performance and low cost

- Nice appearance, easy to use. It equips a flexible electrode holder and a brief operation manual.

- It features up to automatic calibration, automatic temperature compensation, storage data, clock display, time measurement, RS232 output, functions setting and self-diagnose information etc.

- It adopts digital filter and step slipping technology to improve meter's response speed and repeatability.

- Meter has the only product serial number.

Dustproof and waterproof meter meets IP54 standards

Model: SR521 Lab PH/Conductivity Meter

Measuring Parameters: PH, mV, conductivity, resistivity, TDS, salinity and temperature

Specifications:

Range:

PH: -1.99 to 19.99 PH   mV: ±1999 mV

Cond: 0 to 200 mS/cm,be divided into five ranges

(0.00 to 20.00)μS/cm; (20.0 to 200.0)μS/cm;

(200 to 2000)μS/cm; (2.00 to 20.00)mS/cm;

(20.0 to 200.0)mS/cm

Res: (0 to 100)MΩ·cm;

TDS: (0 to 100)g/L

Sal: (0 to 100)ppt

Temp: (-10 to 110) ºC

Accuracy:

PH: ±0.01 PH;  mV: ±0.1% full scale

Cond: ±1.0% full scale    Temp: ±0.5  ºC

ATC:

PH: (0 to 100) ºC; Conductivity: (0 to 50) ºC

Other Parameters:

Storage Data: 900 groups;  

Communication Connector: RS-232;

Power: DC9V/300mA;

Size & Weight: (160×190×70)mm/880g

What's included:

1. 201T-M plastic PH/ATC three-in-one electrode

2. 2301-M plastic conductivity electrode (K=1, ATC)

3. RS-232 communication software

4. Model 602 flexible electrode holder

5. PH standard buffer solutions  (PH 4.00,PH 7.00, PH10.01)

6. Conductivity standard solutions  (1413μS/cm)

Features and Applications:

- PH and conductivity double-parameter meter with high accuracy.

- Equips model 2503 PH electrode, suitable for measure the weaker ionic strength, feculent and colloidal solution.

- PH measure mode for high purified water and ammonia added purified water can be setup, suitable for use in electric power and petrifaction industry.

- Inside setup with function of high purified water non-linearity automatic temperature compensation, suitable for accurate conductivity measurement for high purified water.

- Nice appearance, easy to use. It equips a flexible electrode holder and a brief operation manual.

- It features up to automatic calibration, automatic temperature compensation, storage data, clock display, time measurement, RS232 output, functions setting and self-diagnose information etc.

- It adopts digital filter and step slipping technology to improve meter's response speed and repeatability.

Dustproof and waterproof meter meets IP54 standards.

Measuring Parameters: PH, mV, conductivity, resistivity, TDS, salinity and temperature

Specifications:

Range:

PH: -1.99 to 19.99 PH   mV: ±1999 mV

Cond: 0 to 200 mS/cm, be divided into five ranges

(0.00 to 20.00)μS/cm; (20.0 to 200.0)μS/cm;

(200 to 2000)μS/cm;  (2.00 to 20.00)mS/cm;

(20.0 to 200.0)mS/cm (200 to 2000)mS/cm  (k=10)

Res: (0 to 100)MΩ· cm;

TDS: (0 to 100)g/L

Sal: (0 to 100)ppt

Temp: (-10 to 110) ºC

Accuracy:

PH: ±0.002 PH;  mV: ±0.03% full scale

Cond: ±0.5% full scale   Temp:  ±0.4  ºC

ATC:

PH: (0 to 100) ºC;  Conductivity: (0 to 50) ºC

Other Parameters:

Storage Data: 900 groups;  

Communication Connector: RS-232;

Power: DC9V/300mA;

Size & Weight: (160×190×70)mm/880g

What's included:

1. 201T-M plastic PH/ATC three-in-one electrode

2. 2503-C glass PH combination electrode

3. 2401-M glass conductivity electrode (K=1, ATC)

4. SR500 temperature probe

5. RS-232 communication software

6. Model 602 flexible electrode holder

7. PH standard buffer solutions  (PH4.00, PH7.00, PH10.01)

8. Conductivity standard solutions  (1413μS/cm)

Features and Applications:

- PH and ion concentration double-parameter meter with high accuracy.

- Equips model 2503 PH electrode, suitable for measure the weaker ionic strength, feculent and colloidal solution.

- Power and petrifaction industry.

- Two kinds of calibration solution can be self-setup to directly test the ion concentration of sample solution.

- Meter inside with ten kinds of ions can be selected, also can self-define other ions.

- There are four kinds of ion concentration measuring units:  pX, mol/L, mg/L and ppm.

- PH measure mode for high purified water and ammonia added purified water can be setup, suitable for use in electric.

- Dustproof and waterproof meter meets IP54 standards. RS232 output,

Model: SR523 PH/Ion Concentration Meter

Measuring Parameters: PH, mV, ion concentration and temperature

Specifications:

Range:

PH: -1.999 to 19.999 PH  

mV: ±1999.9 mV

Ion: 0.00 to 14.00 pX

(units: pX, mol/L, mg/L and ppm)

Temp: (-10 to 110) ºC

Accuracy:

PH: ±0.002 PH;  

mV: ±0.03% full scale;

Ion: ±0.5 % of reading(monovalent); ±1.0% of reading(bivalent) 

Temp: ±0.4  ºC

ATC: PH: (0 to 100) ºC   Ion: (0 to 60) ºC 

Other Parameters:

Storage Data: 900 groups;  

Communication Connector: RS-232;

Power: DC9V/300mA;   

Size & Weight: (160×190×70)mm/880g

What's included:

1. 201T-M plastic PH/ATC three-in-one electrode

2. 2503-C glass PH combination electrode

3. SR500 temperature probe

4. 6213 double-junction reference electrode

5. Model 602 flexible electrode holder

6. Model 901 intelligent stirrer

7. RS-232 communication software and cable

Measuring Parameters: PH, mV, ion concentration, conductivity, resistivity, TDS, salinity, Dissolved Oxygen and Temperature

Features and Applications:

- Multi-parameter meter contains more than ten kinds of measuring parameters, is suitable for high accuracy measurement, and excellent product for both good performance and low cost.

- DO measuring mode has automatic compensation for temperature, salinity and air pressure.

- PH measure mode for high purified water and ammonia added purified water can be setup, suitable for use in electric power and petrifaction industry.

- Inside setup with function of high purified water non-linearity automatic temperature compensation, suitable for accurate conductivity measurement for high purified water.

- There are four kinds of ion concentration measuring units: pX, mol/L, mg/L and ppm.

- Equips model 2503 PH electrode, suitable for measure the weaker ionic strength, feculent and colloidal solution

Working Condition:

Model: SR551 PH/mv/Ion Concentration/Conductivity/Dissolved Oxygen Meter

Technical Parameters:

PH:

mV:

Ion Concentration:

PHS-3D PH/ORP/Temp Meter 

1) Microprocessor based with splash proof housing; Double-slope automatic calibrating and indicate percentage of slope (PTS) after calibration

2) Automatic/manual temperature compensation; Displays pH and temperature at the same time

3) Stores/recalls five pH auto-calibration points in memory; Min./max. storage and recall; RS-232 output lets you interface the meter with your personal computer

4) Equipped with PH-Link communication software (3D-03 only), it can display both pH and time curve on PC.