ZORYN

DDC-308A Conductivity / TDS Meter

Characteristics:

1. This instrument is mainly used for measurement of electric conductivity, TDS, salinity and temperature.
2. Adopts microprocessor technology, LCD display.
3. Automatic Compensation of temperature, auto calibration, auto conversion for measurement process, power failure protection.
4. Save, delete, browse and printing the tested result, can save at least 50 sets data and supply real time printing and saving printing for user’s option
5. Calibration function for electrode constant and TDS convert modulus.
6. With RS-232 adaptor, can be connected with TP-16 printer.

Specifications

1. Range:
Conductivity:  ( 0-1.9999x10⁵ )µs/cm, automatic convert between six degree.
0-1.9999µs/cm, 2-19.99 µs/cm, 20-199.9 µs/cm, 200-1999 µs/cm, 2-19.9 ms/cm, 20-199.9ms/cm
TDS: 0-19990mg/l, automatic convert between five degree.
0-10mg/L; 10-100mg/L; 100-1000mg/L; 1-10g/L; 10-19.9g/L
Salinity: 0-80ppt
Temp: -5~105℃

2.  Electrode constant,cm^-1: 0.01,0.1,1,10
3.   Error: Conductivity: ±0.5%FS±1digit 
              Salinity: ±1.0ppt 
       Temperature:±0.3 ℃±1digit

4.       Stability:±0.3%FS±1digit/3h

5.       Temp compensation: 0-50 ℃

DDM-307 Conductivity Meter

l 3¹/₂ digit LED display high measuring accuracy and clearly display

l manual temperature compensation

l Auto conversion of measuring frequency to improve resolution.

SPECIFICATIONS:

Measurement Range:	0-10⁵μs/cm (Resistance: ∞-10Ω
Accuracy:	≤±0.5% (F.S)
Stability:	≤±0.33% (F.S)
Display Mode:	3¹/₂ digit LED display
Basic Accuracy of machine	≤±1% (F.S)
Temperature Compensation Range:	15-35ºC. reference temperature: 25ºC
Cell Constant:	0.01, 0.1, 1.0, 10cm^-1
Output:	0-10mV

DDC-350P Portable Conductivity / TDS Meter

Characteristics:

   1.  This instrument is mainly used for electric conductivity , TDS, salinity and temperature.
2.  Adopted microprocessor technology, LCD display and new type of PC board.
3.  Automatic Compensation of temperature, automatic adjustment, automatic convert for

 measurement process, shutting off protection.
4.  Save, delete, browse and printing the tested result, can save at least 250 sets data and

supply real time printing and saving printing for user’s option
5.  Calibration function for electrode constant and TDS convert modulus.
6.  With RS-232 adaptor, can be connected with TP-16 printer.

Specifications

1. Range:

Conductivity:  ( 0.00-1.9999x10⁵ )µs/cm, automatic convert between five degree.

0.00-19.99 µs/cm       20.0-199.9 µs/cm       200-1999 µs/cm      2.0-19.9 ms/cm      20.0-199.9ms/cm

TDS: 0.00-19990MG/l, automatic convert between five degree.

0.00-10.00mg/L; 10.00-100.0mg/L; 100.0-1000mg/L; 1.00-10.00g/L; 10.00-19.90g/L

Salinity: 0.00-8.00%

Temp:0~40℃

2.  Electrode constant,cm^-1: 0.01,0.1,1.0,10.0
3.   Error: Conductivity: ±1.0%FS±1digit 
4.   Salinity: ±0.2ppt±1digit 
   Temperature:±0.3 ℃±1digit 
5.   Stability:±0.7%FS±1digit/3h
6.  Temp compensation: 0-40 ℃

Portable Conductivity Meter Model DDP-303A

Feature:

1.3½ Digits LCD

2.Temp. Compensation (manual) Range: 0~35⁰C

3.Automatic Switch of Four Ranges

4.Automatic Change of Measurement Frequency to Improve Test Accuracy

5.Hand-Held

6.Battery Life: >100 Hours Of Continuous Use

Specifications:

1.Test Range: 0~1.0×10⁵μs.cm^-1(Table)

Conductivity (μs.cm^-1)	Electrode Constant
0~2	0.01
0.2-20	0.1
2~1x10⁴	1
1x10⁴~1x10⁵	10

2.Electron Unit Basic Error: ±1.0% ±1F.S

3.Temp. Compensation Range: 15~35⁰C (fiducial temp: 25⁰C)

4.Basic error of Electron Unit: ±1.0%3h(F.S)
5.Stability of Electron Unit: ±0.66%3h(F.S)

6.Size: 165(l)×80(b)×35(h)mm

7.Weight: 0.35KG

8.Instrument Working Condition:

(1).Environment Temp.: 5~40⁰C

(2).Relative Humidity: ≤85%

(3).Power: Battery 9V(6F22)×1

Pen type Conductivity / TDS meter		Portable Conductivity Meter

Conductivity meter DDB-5021: measuring range: 10-9990 μ s/ cm, accuracy: ± 1% F.S, resolution: 10 μ s/ cm	DDB-5022: measuring range: 10-999 μ s/ cm, accuracy: ± 1% F.S, resolution: 1 μ s/ cm	Conductivity meter(DDB-5011A): measuring range: 0-2×10⁵μs/cm, accuracy: ±1%F.S
TDS meter model DDB-5031:	measuring range: 10-999ppm, accuracy: ± 1% F.S, resolution: 10ppm

JPC-608P Portable Dissolved Oxygen Meter

Applications:

This aptitude analysis instrument is mainly for user's convenience to take it to the site to analysize and measure the dissolved oxygen in the water of tap water sources, aquatic breeding and sewage water of city.

Characteristics:

- Measurement for dissolved oxygen, oxygen concentrate, electrode current and temperature
- Adopted micro processor technology, large LCD display with operating reference, new type PC board.
- Automatic Compensation of temperature, non or full oxygen / air pressure / salinity adjustment. Shutting off protection.
- Save, delete, browse and printing the tested result, can save at least 250 sets data and supply real time printing and saving printing for user’s option
- Low consumption design, lack of pressure display, automatic shutting off function.
- With RS-232 adaptor, can be connected with TP-16 printer. Can be connected with computer, also can select REX DC data collection software and computer communication.
- The instrument protecting shell reach IP65 level, water proof and dust proof and suitable for outside working.

·Main Technical Parameters:

Measurement Scope:
Dissolved Oxygen: 0~19.9mg/L
Dissolved Oxygen Saturation: 0-199.9%
Temperature: 0-40℃

Automatic compensation Scope of Temperature: 0~40℃, the fiducial temperature: 20℃+1℃
The base error: Dissolved Oxygen: + 0.3mg/L+ 1 digit (in the fiducial temp)
                                                   + 0.5mg/L(+15℃ discrepant with the fiducial temp)
Dissolved Oxygen Saturation: + 5% (in the fiducial temp)
                         + 10% (+15℃ discrepant with the fiducial temp)
Temp:  +0.5℃+1digit
Remain current: 0.1mg/L
Reflection Time: 20s( 90% when 20℃) 
Salinity adjustment: 0-40g/L          Stability: + 0.2mg/L/1L
Repetition: 0.2mg/L
Weight: 0.5kg
Normal working condition: Environment Temp: 0-40℃
Adaptability: shell protection IP65 level  
Solution Temp:  0-40℃
Power Supply: 4 AA alkalescence battery   
No other oscillation except magnetic field around

Mini DDS- EC Meter

Range: 0—10.0 EC(mS/cm),

Resolution: 0.1 EC,

Accuracy: +/- 2% EC,

Battery Life: DC 4x1.5V,

Temp.℃: 5--50℃ (ATC),

Mini DDS- ppm Meter

Range: 0—1999 ppm (mg/l),

Resolution: 10 ppm (mg/l),

Accuracy: +/- 2% ppm (mg/l),

Battery Life: DC 4x1.5V,

Temp.℃: 5--50℃ (ATC) ,

Mini DDS- TDS Meter

Range: 0—1999 mg/l(ppm),

Resolution: 10 mg/l,

Accuracy: +/- 2% mg/l,

Battery Life: DC 4x1.5V,

Temp.℃: 5--50℃ (ATC) ,

Mini DDS- uS/cm Meter

Range: 0—1999 uS/cm,

Resolution: 10 uS/cm,

Accuracy: +/- 2% uS/cm,

Battery Life: DC 4x1.5V,

Temp.℃: 5--50℃ (ATC) ,

Mini DDS-mS/cm Meter

Range: 0—19.99 mS/cm

Resolution: 0.03 mS/cm,

Accuracy: +/- 2% mS/cm,

Battery Life: DC 4x1.5V,

Temp.℃: 5--50℃ (ATC),