6 In 1 Multi-Parameter Water Quality Pen
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6-in-1 Water Quality Pen is a professional multifunction meter designed to measure pH, Conductivity (EC), Total Dissolved Solids (TDS), Salinity, Specific Gravity (S.G.) and Temperature in a single, easy to use handheld instrument.
Unlike conventional hydroponic meters limited to 20 mS/cm, this instrument measures conductivity up to 200 mS/cm, making it ideal for seawater applications, aquaculture, and other high-salinity environments. Featuring automatic ranging, a bright backlit LCD, replaceable sensors and multi-point calibration, this meter delivers fast, accurate measurements for a wide range of laboratory, industrial, commercial and field applications.
Measures 6 key water quality parameters:
- pH
- Conductivity (EC)
- Total Dissolved Solids (TDS)
- Salinity
- Specific Gravity (S.G.)
- Temperature
- Wide conductivity measurement range up to 200 mS/cm for seawater applications
Features
- Automatic ranging for fast, accurate readings
- Large backlit LCD display cycles through all measured parameters
- Replaceable pH and corrosion-resistant EC sensors
- Adjustable TDS conversion factor for hydroponic nutrient solutions
- Multi-point calibration:
- EC / TDS / Salinity: 4 points
- pH: 3 points
- IP65 water-resistant housing
- Designed for laboratory, industrial and field use
Why High Conductivity Measurement Matters
Most traditional pH/EC meters designed for hydroponics measure conductivity only up to 20 mS/cm, which is adequate for nutrient solutions that typically range from 0.5 to 5 mS/cm and rarely exceed 10 mS/cm. Natural seawater, however, typically measures 50–55 mS/cm, making standard hydroponic meters unsuitable for marine applications.
The meter measures conductivity up to 200 mS/cm, providing accurate testing for seawater, brine solutions, aquaculture systems, and other high-conductivity environments.
Applications
Aquaculture
Monitor pH, salinity, conductivity, specific gravity, and temperature to maintain ideal water conditions for fish, shrimp, shellfish, and other aquatic species in ponds, hatcheries, and marine farms.
Environmental Monitoring
Evaluate water quality in rivers, lakes, estuaries, wetlands and coastal environments by measuring conductivity, TDS, salinity, pH and temperature.
Aquariums
Ideal for freshwater and saltwater aquariums. Monitor critical water parameters to help maintain healthy conditions for fish, corals, and other aquatic life. Replaceable sensors provide long service life.
Hydroponics
Measure pH, EC, and TDS while adjusting the TDS conversion factor to match different nutrient formulations, ensuring optimal plant growth.
Industrial Water Treatment
Monitor water quality in desalination systems, wastewater treatment plants, cooling towers and process water applications requiring accurate conductivity and salinity measurements.
Education & Laboratory Research
Perfect for classrooms, universities, and research laboratories conducting experiments involving water chemistry, salinity, conductivity and pH analysis.
Swimming Pools & Spas Monitor pH, conductivity, TDS and temperature to maintain balanced, comfortable and sanitary water while reducing corrosion and scaling.
Key Benefits
- One instrument replaces six separate meters
- Measures seawater-level conductivity up to 200 mS/cm
- Ideal for both freshwater and marine applications
- Fast, automatic measurements with a clear backlit display
- Replaceable sensors reduce long-term ownership costs
- Rugged IP65 construction for dependable field use
Kit includes:
Meter (with built-in rechargeable battery), Manual, USB-C Charging Cable, Compact Hard Storage Case, Wrist Strap
Specifications
|
Model 850054 |
6 In 1 Multi-Parameter Water Quality Pen |
|
pH Measuring Range |
0.00~14.00 |
|
pH Accuracy |
±0.01 |
|
pH Resolution |
0.01 |
|
EC Measuring Range (Auto Range) |
0~199.9 uS/cm, 200~1999 uS/cm, 2.00~19.99 mS/cm, 20.0~200.0 mS/cm |
|
EC Accuracy |
±2% F.S ±1 digit |
|
EC Resolution |
0.1 uS/cm, 1 uS/cm, 0.01 mS/cm, 0.1 mS/cm |
|
TDS Measuring Range (f is TDS factor) |
0~199.9*f ppm, 200~1999*f ppm, 2.00~19.99*f ppt, 20.0~200.0*f ppt |
|
TDS Accuracy |
±2% F.S ±1 digit, |
|
TDS Resolution |
0.1, 1 ppm; 0.01, 0.1 ppt |
|
TDS Factor |
0.40~1.00 |
|
Salinity Measuring Range |
0.00~11.40 ppt; 11.4~159.9 ppt (NaCl) |
|
Salinity Accuracy/Res. |
±2% F.S ±1 digit, Res.: 0.01 ppt, 0.1 ppt |
|
S.G. Measuring Range |
0.960 ~ 1.080 (NaCl) |
|
S.G. Resolution |
0.001 |
|
Temp. Measuring Range |
0.0~70.0℃ (32.0~158.0℉) |
|
Temperature Accuracy |
±0.6℃ (±1℉) |
|
Temperature Resolution |
0.1 |
|
ATC Active Range |
0.0~50.0℃ (32.0~122.0℉) |
|
Temperature Coefficient |
2.0% per℃ (1.1% per℉) |
|
Normalization Temp |
25℃ (77℉) |
|
LCD Size |
30(L) * 18(W) mm |
|
Operating Temp. |
0~50℃ |
|
Operating RH% |
Humidity ＜80% |
|
Storage Temp. |
0~60℃ |
|
Storage RH% |
Humidity ＜90% |
|
Meter Size |
210(L) * 39(W) * 39(H) mm |
|
Weight |
~120g |
|
Battery |
Built-in rechargeablelithium battery, 5V USB-C |
|
Power consumption |
<6.5mA (backlight off), <12mA(backlight on) |
|
Response Time |
<90 seconds |
|
Sensor Life Time (with good maintenance) |
> 6 months |
|
Standard Package Includes |
Meter (with built-in bat.), Manual, USB-C cable Hard Storage Case, Wrist Strap |
|
Optional Accessories |
Empty vial for buffer storage (20mL) |
Downloads
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Product Information
Product Information
6-in-1 Water Quality Pen is a professional multifunction meter designed to measure pH, Conductivity (EC), Total Dissolved Solids (TDS), Salinity, Specific Gravity (S.G.) and Temperature in a single, easy to use handheld instrument.
Unlike conventional hydroponic meters limited to 20 mS/cm, this instrument measures conductivity up to 200 mS/cm, making it ideal for seawater applications, aquaculture, and other high-salinity environments. Featuring automatic ranging, a bright backlit LCD, replaceable sensors and multi-point calibration, this meter delivers fast, accurate measurements for a wide range of laboratory, industrial, commercial and field applications.
Measures 6 key water quality parameters:
- pH
- Conductivity (EC)
- Total Dissolved Solids (TDS)
- Salinity
- Specific Gravity (S.G.)
- Temperature
- Wide conductivity measurement range up to 200 mS/cm for seawater applications
Features
- Automatic ranging for fast, accurate readings
- Large backlit LCD display cycles through all measured parameters
- Replaceable pH and corrosion-resistant EC sensors
- Adjustable TDS conversion factor for hydroponic nutrient solutions
- Multi-point calibration:
- EC / TDS / Salinity: 4 points
- pH: 3 points
- IP65 water-resistant housing
- Designed for laboratory, industrial and field use
Why High Conductivity Measurement Matters
Most traditional pH/EC meters designed for hydroponics measure conductivity only up to 20 mS/cm, which is adequate for nutrient solutions that typically range from 0.5 to 5 mS/cm and rarely exceed 10 mS/cm. Natural seawater, however, typically measures 50–55 mS/cm, making standard hydroponic meters unsuitable for marine applications.
The meter measures conductivity up to 200 mS/cm, providing accurate testing for seawater, brine solutions, aquaculture systems, and other high-conductivity environments.
Applications
Aquaculture
Monitor pH, salinity, conductivity, specific gravity, and temperature to maintain ideal water conditions for fish, shrimp, shellfish, and other aquatic species in ponds, hatcheries, and marine farms.
Environmental Monitoring
Evaluate water quality in rivers, lakes, estuaries, wetlands and coastal environments by measuring conductivity, TDS, salinity, pH and temperature.
Aquariums
Ideal for freshwater and saltwater aquariums. Monitor critical water parameters to help maintain healthy conditions for fish, corals, and other aquatic life. Replaceable sensors provide long service life.
Hydroponics
Measure pH, EC, and TDS while adjusting the TDS conversion factor to match different nutrient formulations, ensuring optimal plant growth.
Industrial Water Treatment
Monitor water quality in desalination systems, wastewater treatment plants, cooling towers and process water applications requiring accurate conductivity and salinity measurements.
Education & Laboratory Research
Perfect for classrooms, universities, and research laboratories conducting experiments involving water chemistry, salinity, conductivity and pH analysis.
Swimming Pools & Spas Monitor pH, conductivity, TDS and temperature to maintain balanced, comfortable and sanitary water while reducing corrosion and scaling.
Key Benefits
- One instrument replaces six separate meters
- Measures seawater-level conductivity up to 200 mS/cm
- Ideal for both freshwater and marine applications
- Fast, automatic measurements with a clear backlit display
- Replaceable sensors reduce long-term ownership costs
- Rugged IP65 construction for dependable field use
Kit includes:
Meter (with built-in rechargeable battery), Manual, USB-C Charging Cable, Compact Hard Storage Case, Wrist Strap
Specifications
|
Model 850054 |
6 In 1 Multi-Parameter Water Quality Pen |
|
pH Measuring Range |
0.00~14.00 |
|
pH Accuracy |
±0.01 |
|
pH Resolution |
0.01 |
|
EC Measuring Range (Auto Range) |
0~199.9 uS/cm, 200~1999 uS/cm, 2.00~19.99 mS/cm, 20.0~200.0 mS/cm |
|
EC Accuracy |
±2% F.S ±1 digit |
|
EC Resolution |
0.1 uS/cm, 1 uS/cm, 0.01 mS/cm, 0.1 mS/cm |
|
TDS Measuring Range (f is TDS factor) |
0~199.9*f ppm, 200~1999*f ppm, 2.00~19.99*f ppt, 20.0~200.0*f ppt |
|
TDS Accuracy |
±2% F.S ±1 digit, |
|
TDS Resolution |
0.1, 1 ppm; 0.01, 0.1 ppt |
|
TDS Factor |
0.40~1.00 |
|
Salinity Measuring Range |
0.00~11.40 ppt; 11.4~159.9 ppt (NaCl) |
|
Salinity Accuracy/Res. |
±2% F.S ±1 digit, Res.: 0.01 ppt, 0.1 ppt |
|
S.G. Measuring Range |
0.960 ~ 1.080 (NaCl) |
|
S.G. Resolution |
0.001 |
|
Temp. Measuring Range |
0.0~70.0℃ (32.0~158.0℉) |
|
Temperature Accuracy |
±0.6℃ (±1℉) |
|
Temperature Resolution |
0.1 |
|
ATC Active Range |
0.0~50.0℃ (32.0~122.0℉) |
|
Temperature Coefficient |
2.0% per℃ (1.1% per℉) |
|
Normalization Temp |
25℃ (77℉) |
|
LCD Size |
30(L) * 18(W) mm |
|
Operating Temp. |
0~50℃ |
|
Operating RH% |
Humidity ＜80% |
|
Storage Temp. |
0~60℃ |
|
Storage RH% |
Humidity ＜90% |
|
Meter Size |
210(L) * 39(W) * 39(H) mm |
|
Weight |
~120g |
|
Battery |
Built-in rechargeablelithium battery, 5V USB-C |
|
Power consumption |
<6.5mA (backlight off), <12mA(backlight on) |
|
Response Time |
<90 seconds |
|
Sensor Life Time (with good maintenance) |
> 6 months |
|
Standard Package Includes |
Meter (with built-in bat.), Manual, USB-C cable Hard Storage Case, Wrist Strap |
|
Optional Accessories |
Empty vial for buffer storage (20mL) |
Downloads
Description
Description
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Product Category: Digital pH Meters
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