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product name: PHB-8 PH meter 
Specification:
(1)ph range : pH :0¡«14.00pH;
(2) accuracy:pH ¡Ü0.1pH ;
(3) Input impedance :¡Ü1011 ¦¸;
used conditions:
(1) input voltage :One 3*3V battery
(2) solution temperature :25¡æ;
(3) Relative humidity :Not more than 85%;
Charactehstic:
31/2digit LCD display
Electrodes can be replaced
product name: PHB-10 PH meter 
description: PHB-10 using the latest micro-power IC design, superior performance and extensive practical in the physical and chemical analysis, environmental protection, aquarium, food, cosmetics, culture, soilless cultivation and other industries.
Specification:
(1)ph range : pH :0¡«14.00pH;
(2) accuracy:pH 0.1ph¡À1word
(3) Input impedance :¡Ü1011¦¸;
Used conditions:
(1) input voltage : Dc : 3*3V Lithium batteries
(2) solution temperature :25¡æ;
(3) Relative humidity :Not more than 85%;
Charactehstic:
31/2 digity LED display
Lead-electrode
product name: PHB-4 PH meter 
description: The use of equipment
PHB-4 type of portable acidity is a 31 / 2 LCD figures show that the acidity of (the equipment). Equipment for research, medicine, factories, chemical, environmental protection, such as the quarry of the laboratory sample of the solution acidity (pH value) and measuring electrode potential (mV value), it's easy to carry, not only useful in the laboratory, Practical production site in the wild. If appropriate ISE, it could serve as potential titration of terminal indicator.
Specification:
(1)ph range : pH :0¡«14.00pH; mV :0¡«¡À1400mV;
(2) accuracy:pH ¡Ü0.02pH ;mV:0.2%
(3) Input impedance :¡Ü5*1012 ¦¸;
(4)Stability: ¡Ü0.02Ph/3h
(5)Range of temperature compensation:0~60¡æ(Manual )
Used conditions:
(1) input voltage : Dc : 9V 6F 22 a battery
(2) Ambient temperature :5¡«40¡æ;
(3) Relative humidity :Not more than 85%;
Charactehstic:
31/2digit LCD display
Protable ph meren. Easy to carty about
Dc power supply
product name: PHS-25 PH meter 
description: PHS-25-type number of significant acidity is a 3 1 / 2 LED figures show that the acidity of (the equipment). Equipment for research, medicine, factories, schools, chemical, environmental protection, such as the quarry of the laboratory sample of the solution acidity (pH value) and measuring electrode potential (mV value). If appropriate ISE, it could serve as potential titration of terminal indicator.
Specification:
(1)ph range : pH :0¡«14.00pH; mV :0¡«¡À1400mV;
(2) accuracy:pH ¡Ü0.05pH ;mV:0.2%
(3) Input impedance :¡Ü5*1012¦¸;
(4)Stability: ¡Ü0.05Ph/2h
(5)Range of temperature compensation:0~60¡æ(Manual )
Used conditions:
(1) input voltage : 220¡À22V AC/50Hz
(2) Ambient temperature :0¡«40¡æ;
(3) Relative humidity :Not more than 85%;
Charactehstic:
31/2 digity LED display
Calibration in two point and with siop compensater.
product name: PHS-25Z PH meter 
description: PHS-25-type of acidity for general accuracy of the Institute, factories and laboratories in the laboratory, aqueous solution of the acidity (pH value). IfÅäÉÏappropriate ISE, by measuring ion electrode potential, the solution can measure the concentration of ions, can also as a potential indicator titration of terminals.
Specification:
(1)ph range : pH :0¡«14.00pH; mV :0¡«¡À1400mV;
(2) accuracy:pH ¡Ü0.01pH ;mV:0.1%
(3) Input impedance :¡Ü3*1011¦¸;
(4)Stability: ¡Ü0.05Ph/3h
(5)Range of temperature compensation:0~60¡æ(Manual )
Used conditions:
(1) input voltage : 220¡À22V AC/50Hz
(2) Ambient temperature :5¡«40¡æ;
(3) Relative humidity :Not more than 85%;
Charactehstic:
Pointer display
Calibration in two point and with siop compensater.
product name: DDB-6200 
description: DDB-6200 portable conductivity instrument for laboratory or field measurement of the conductivity of liquid
1. Battery-powered, could be in the wild, and so far away from the site of the AC power use at the scene. Use of micro-power circuits, batteries durable.
2. Overflow show a range.
3. Can be provided to three different constants (0.01,1 and 10) electrodes, you can measure the conductivity of water, but also other occasions, water quality testing and management of the good helper 4. LCD digital LCD. Higher measurement accuracy. A major technical performance. Measuring range: 0 ~ 2 ¡Á 105 ¦Ì S / cm (equivalent to the range of resistance: ¡Þ ~ 5 ¦¸). DJS-1 type electrode of the equipment is commonly used electrodes, for the scope of its measurable: 0 ~ 20 ~ 200 ~ 2000 ~ 20000 ¦Ì S / cm at Sidang.
product name: DDS-11A electrical conductivity meter
description: DDS-11A-digital electrical conductivity instrument applied widely to distilled water, deionized water, drinking water, boiler water, industrial wastewater and general liquid conductivity, can also be used for electronic, chemical, pharmaceutical and high-water plant testing .
specifications:
1, ambient temperature: 5 ~ 40 ¡æ;
2, relative humidity: ¡Ü 85%;
3, power supply: 220 V ¡À 10%, 50Hz ¡À 2%.
Features
1, 3 1 / 2 LED figures show that a clear visual readings.
2, the overflow show a range. Eliminate shift measurement error.
3, in the whole range of measurement error are larger than ¡À 1%.
4, in the whole range of constant use, are assigned to "1" electrode, it can detect 0.1 ~ 0.05 ¦Ì S / cm (10M ¦¸ ~ 20 M ¦¸) high water conductivity, but also for the general measurement of the conductivity of liquid. Measuring range up to: 0 ~ 2 ¡Á 105 ¦Ì S / cm.
5, when no measurement of high water in the human body sensors, and display of accuracy.
6, the decimal point location and high-and low-frequency measurement with the "range" synchronous transformation, the measurement results rather than by direct reading "rate." And a temperature compensation.
product name: DDS-11A Z electric conductivity meter 
description: DDS-11A-digital conductivity measurement instrument widely applied to distilled water, deionized water, drinking water, boiler water, industrial wastewater and general liquid conductivity, can also be used for electronic, chemical, pharmaceutical and high-water plant testing The purity.
Specification:
(1)ph range : 0.01~105uS/cm
(2)stability:0.67%/24h
Used conditions:
(1) input voltage : 220¡À22V AC/50Hz¡À2%
(2) ambinent temperature :5-40¡æ;
(3) Relative humidity :Not more than 85%;
Charactehstic:
Pointer display
Available connected to recorder
0~10mV output
Soil PH-Moisture Meter
The soil PH is a important factor to limits the crops production and the quality .
This instrumentation is simple and convenient, can directly insert the soil.
Measuring HP range: 3-8%
- Measuring moisture range: 1-8%
- Precision: +1% - Precision: +0.2PH
-Environment Temperature:5-50
SM-60 can insert:6cm
Suitable for the surface test
SM-300can insert:2-30cm
Suitable for the depth test.
¡¤ Item No.: SM-901 
¡¤ Soil Moisture Meter
¡¤ Unit Dimensions: 285*50*35mm
¡¤ Flexrake Soil Testing Moisture Meter with 8" Probe. Use this
reliable, inexpensive device to accurately measure the amount of moisture in the soil around your plants. Long probe allows measurements at different depths.
¡¤ Measuring soil moisture has never been easier! The needle in the meter indicates the precise soil humidity. No electric hookups or batteries are needed. Just push in the probe and read the results. Taking readings at different depths quickly reveals the need for more or less water.
I¡¤ tem No.: SM-902 
¡¤ Soil PH & Moisture Meter
¡¤ Unit Dimensions: 285*50*35mm
¡¤ Flexrake Soil Testing PH & Moisture Meter with 8" Probe. Use this reliable, inexpensive device to accurately measure the PH and amount of moisture in the soil around your plants. Long probe allows measurements at different depths.
¡¤ Measuring soil PH & moisture has never been easier! No electric hookups or batteries are needed. Just push in the probe and read the results. Taking readings at different depths quickly.
¡¤ Item No.: SM-903 
¡¤ Soil Meter with Mosit, Light & PH
¡¤ Unit Dimensions: 285*50*35mm
¡¤ Flexrake Soil Testing Moisture Meter with 8" Probe. Use this reliable, inexpensive device to accurately measure the Light, PH and the amount of moisture in the soil around your plants. Long probe allows measurements at different depths.
¡¤
Measuring soil Light, PH & Moisture has never been easier! The needle in the meter indicates the precise light, PH & soil humidity. No electric hookups or batteries are needed. Just push in the probe and read the results. Taking readings at different depths quickly reveals the need for more or less light, PH & water
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