effective dissolved oxygen meter from China for aquariums
1. The production process of BOQU inline dissolved oxygen meter is accelerated and streamlined.
2. The product helps reduce electronic waste (e-waste) globally. Most of its components and parts are recyclable and reusable for many times.
3. The product is durable enough. Its main body is made of premium and high performance fiberglass materials and sturdy steel.
4. The product is easy to put up and is portable and reliable, thus it is suitable for most kinds of corporate and ceremonial functions.
Company Features
1. Shanghai Boqu Instrument Co., Ltd. is an experienced and professional manufacturing company based in China. Our expertise lies in inline dissolved oxygen meter design and production.
2. Our factory possesses efficient and complete management mechanisms and has passed the ISO9001 quality management system. The mechanisms and system offer a strong assurance to all the product quality.
3. Shanghai Boqu Instrument Co., Ltd. will tap into the our whole strength to provide you with the best. Check now! High quality and stable quality is what Shanghai Boqu Instrument Co., Ltd. aims to bring to customers. Check now! The BOQU brand has been cultivating the dedication of employees. Check now! Shanghai Boqu Instrument Co., Ltd. intends to boost the brand's reputation and encourage customer growth. Check now!
Benchtop Conductivity/Dissolved Oxygen Meter
Conductivity/TDS/Salinity/Resistivity Modes:
• Multiparameter water quality meter is equipped with a large backlit LCD display.
• 1 to 5 points push-button calibration, automatically recognizes the calibration solutions.
• Selectable cell constant (K=0.1/1/10), reference temperature (20/25°C), TDS factor, linear
and pure water compensations, seawater and practical salinity measurement modes.
Dissolved Oxygen Mode:
• 1 or 2 points calibration using the air-saturated water or zero oxygen solution.
• Salinity and barometric pressure compensations ensure the reliable DO measurements.
Other Features:
• Automatic Temperature Compensation provides accurate reading over the entire range.
• Calibration Due Alarm prompts user to calibrate the meter regularly.
• Stability indicator shows when a measurement is recognized as stable.
• Auto-Hold feature senses and locks the measurement endpoint.
• Calibration report provides the details for checking the electrode performance.
• Setup menu allows setting the 13 parameters, including the number of calibration points,
stability criteria, temperature unit, auto-power off, etc.
• Reset feature automatically resumes all settings back to factory default options.
• Expanded memory stores and recalls up to 500 data sets.
• Stored readings can be transferred into the computer by USB communication interface.
| Model | MK904 |
| Conductivity | |
| Range | 0.01~20.00, 200.0, 2000µS/cm, 20.00, 200.0mS/cm |
| Accuracy | ±0.5% F.S |
| Resolution | 0.001, 0.01, 0.1, 1 |
| Calibration Points | 1 to 5 points |
| Calibration Solutions | 10µS/cm, 84µS/cm,1413µS/cm,12.88mS/cm,111.8mS/cm |
| Temperature Coefficient | 0.0~10.0%/°C |
| Compensation Modes | Linear or Pure water |
| Cell Constant | K=0.1, 1, 10 or Custom |
| Reference Temperature | 20°C or 25°C |
| TDS | |
| Range | 0~10.00, 100.0, 1000ppm, 10.00, 100.0ppt (Max. 200ppt) |
| Accuracy | ±1% F.S |
| Resolution | 0.01, 0.1, 1 |
| TDS Factor | 0.1~1.0 (Default 0.5) |
| Salinity | |
| Range | 0.00~80.00ppt, 0.00~42.00psu |
| Accuracy | ±1% F.S |
| Resolution | 0.01 |
| Measurement Modes | Practical salinity (psu) or Natural seawater (ppt) |
| Resistivity | |
| Range | 0.00~20.00MΩ |
| Accuracy | ±1% F.S |
| Resolution | 0.01, 0.1, 1 |
| Dissolved Oxygen | |
| DO Range | 0.00~20.00mg/L |
| Accuracy | ±0.2mg/L |
| Resolution | 0.1, 0.01mg/L, selectable |
| % Saturation of Oxygen | 0.0~200.0% |
| Accuracy | ±2.0% |
| Resolution | 0.1, 1% |
| Calibration Points | 1 or 2 points |
| Pressure Correction | 60.0~112.5kPa, 450~850mmHg |
| Salinity Correction | 0~50g/L |
| Temperature | |
| Range | 0~105°C, 32~221°F |
| Accuracy | ±0.5°C |
| Resolution | 0.1°C, 0.1°F |
| Calibration Points | 1 point |
| Calibration Range | Measured value ±10°C |
| General | |
| Temperature Compensation | 0~100°C, 32~212°F, Manual or Automatic |
| Data Hold | Manual or Auto-Endpoint |
| Stability Criteria | Low or High |
| Calibration Due Alarm | 1 to 31 days or Off |
| Reset Function | Yes |
| Memory | Stores up to 500 data sets |
| Output | USB communication interface |
| Connector | 6-pin mini plug |
| Display | LCD |
| Power | DC5V, using AC adapters, 220VAC/50Hz |
| Dimensions | 210(L)×188(W)×60(H)mm |
| Weight | 1.5kg |
Q: Are you trading company or manufacture?
A: Trading company with R&D capacity, holding share in the manufactories
Q: How about your goods quality?
A: 1. All running products comply with CE standard.
2. Independent quality inspection team, 100% testing before delivery.
3. Well-known third-party testing service available, such as SGS, BV and TUV etc.
Q: How about your service?
A: 1. Reply to any questions within 1 hours during working time.
2. Real-time feedback of production process and shipping information.
3. Contracted third-part maintenance company in more than 60 countries.
4. Life-long responsibility for all our products, big compensation for not well repaired products within the warranty period.
Q: Could you do OEM service?
A: Yes, all types of OEM service available.
Q: How long is your delivery time?
A: We have safety stock for around 60% of running products. 7 working days delivery time for stock goods, one for no stock products.
Q: How about your quality warranty?
A:2~5 years upon products features, please confirm the exactly warranty time of your interested products before order.
Q: What is your terms of payment?
A: T/T, Western Union, L/C, Credit Card etc. We prefer on-line order and payment.
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Contact Us
Office Add：No. 118 Xiuyan Road,Pudong New Area,Shanghai,Zip Code:201315,China
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BOQU Instrument focus on development and production of water quality analyzers and sensors, including water quality meter, dissolved oxygen meter, pH sensors, etc.
