A181 benchtop dissolved oxygen meter DO sensor

FOB Reference Price:Get Latest Price
$200.00 - $900.00 / Sets | 1 Set/Sets (Min. Order)
Lead Time:
Quantity(Sets) 1 - 3 >3
Est. Time(days) 7 Negotiable
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Quick Details
Place of Origin:
Shaanxi, China
Brand Name:
Model Number:
Dissolved Oxygen range:
Dissolved Oxygen accuracy:
Dissolved Oxygen resolution:
% Saturation of Oxygen range:
% Saturation of Oxygen accuracy:
% Saturation of Oxygen resolution:
Calibration points:
1 or 2 points
Temperature Compensation:
0~50°C, 32~122°F, Automatic
Supply Ability
Supply Ability:
800 Set/Sets per Month
Packaging & Delivery
Packaging Details
qualified wooden package/standard carton package with perfect inner protection
Shanghai, Xi'an
Lead Time :
Quantity(Sets) 1 - 3 >3
Est. Time(days) 7 To be negotiated

         A181 benchtop dissolved oxygen meter DO sensor



Product Description

 Features of A181 dissolved oxygen meter:


Professional benchtop dissolved oxygen meter, 7 inch TFT display, stores up to 1000 data sets, setup menu contains 17 optional parameters. Accuracy: 0.2mg/L.



• Professional benchtop dissolved oxygen meter is equipped with a 7 inch TFT display.

• 1 or 2 points push-button calibration using the air-saturated water or zero oxygen solution.

• Salinity and barometric pressure compensations ensure the accurate DO measurements.

• Limit alarm alerts when reading exceeds range.

• Calibration Due Alarm prompts user to calibrate the meter regularly.

• Stability indicator shows when a measurement is recognized as stable.

• Auto-Read feature senses and locks the measurement endpoint.

• Interval Readings automatically send the measured data to the computer or printer.

• Password protection prevents the unauthorized calibration and settings.

• Expanded memory stores and recalls up to 1000 data sets.

• Stored readings can be transferred into the computer by USB communication interface.

• Reset feature automatically resumes all settings back to factory default options.



Technical parameters:


   Dissolved Oxygen
   % Saturation of Oxygen
   Calibration Points1 or 2 points
   Temperature Compensation0~50°C, 32~122°F, Automatic
   Pressure Correction60.0~113.3kPa, 450~850mmHg
   Salinity Correction0~50g/L
   Data HoldManual or Automatic endpoint detection
   Stability CriteriaStandard or High-accuracy
   Calibration Due Alarm1 to 31 days
   Interval Readings10/30/60 seconds, 10/30 minutes or Off
   Reset FunctionYes
   MemoryStores up to 1000 data sets
   OutputUSB communication interface
   Connector6-pin mini plug
   Display7 inch TFT LCD
   Power RequirementsDC12V, using AC adapter, 220VAC/50Hz


Order information:


 Order CodeAccessories
   A181DO100 dissolved oxygen probe (Made in US)
DO electrolyte solution
DO membrane cap
DC12V power adapter
Packaging & Shipping


Our Services

Warranty Service


From the date of acceptance, we can provide 12 months quality guarantee, all the maintenance costs and accessories parts costs are free within the date of quality guarantee (spare and accessories parts costs from instrument faults by human factors will be charged proper costs).


After the date of quality guarantee, we will in charge of maintain instrument, and charge proper costs according to actual maintenance costs.


Company Information

Company information



Our motto: First-Rate Service, First-Rate Quality.

Xi’an Heb Biotechnology Co., Ltd, is established in 2004, has passed more than 10 years, is a technological innovation-based enterprise provided with integration of research, develop, manufacture and marketing. Nowadays, our products has gotten extensive application in Asia, European and America, even spread all over domestic laboratories. The brand of Xi’an Heb has become one of the popular and reliable brands among our customers.



Main instruments in our company: double-layer glass reactor ( jacketed glass reactor), rotary evaporator, low-temperature cooling liquid circulating pump (DLSB refrigerated circulator or chiller), multi-purpose circulating water vacuum pump, high and low temperature circulating system, high temperature oil bath(heating circulation bath), diaphragm vacuum pump, rotary vane vacuum pump, water bath/oil bath series, incubator series, drying oven series, centrifuge series, ultrasonic cleaner series etc. These scientific experimental instruments and industrial assorted equipment amount to more than 10 series and 100 types. Our products passed ISO9001 International Quality System Certification,and some products passed CE certification. 


Welcome new and old customers to our factory, and we guarantee that our products have high-quality and more favorable price.


HEB wants to joint hands with you to create more precise experimental instruments.



1. Are you the factory?


Yes, we’re.

Established in 2004, we manufacture rotary evaporator, cylindrical jacketed reactor, cryostat etc.

In 2006 year, we associated with our soul partner QiXin instrument, developed commonly new production line, now, we manufacture CO2 Incubator, Cooling Incubator, Shaker Incubator, Blast Oven, Vacuum Oven, Climatic chamber and those products. Etc.


2. What is the delivery time?


Normally, we have stocks for our hot sale products, the delivery time is about 5-10 days. For the customized instrument, it’s about 10~20 days. 


3. What’s the warranty period? How do you provide this?


One year (12 months).

We have very strict inspection, the instruments which you received is high-quality and reliable.

If there’s any error, we’ll provide you the on line solution with in 12 hours. We’ll provide you the spare parts and the shipping cost totally free.

If the problem was caused by the instrument quality, and cannot be repaired, we’ll ship you the new one.


Contact us

Xi'an HEB Biotechnology Co., Ltd.      


Add: No.3 Kechuang road, Yanta District, Xi'an city, Shaanxi, China

MT.: 86-15889795354

Tel: 86-029-88607291(Direct line)

Fax: 86-029-88265264

E-mail: wendy(AT)heblab.com

Skype: +86 15889795354