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Model
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pH-280
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Test range
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pH:0.01-14.00pH
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Temp: 0-50℃(32-122F)
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Resolution
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pH:0.01pH
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Temp:0.1℃/2F
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Accuracy
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pH:±0.01pH
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Temp:1℃/2F
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Calibration
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pH:25℃ 3points 4.00/6.86/9.18
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Working Temperature
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0-50℃(32-122F)
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Power
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1.5Vx4pcs
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Dimension
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40x185mm
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Weight
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88g
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Operation:
1.Remove the protective cap.
2.Clean the electrode with distilled water,and dry up the water attached to the electrode with filter paper.
3.Press the “ON/OFF” key to turn on the power.
4.Insert the instrument into the test solution,with the measuring electrode immersed in.Stir gently to get stable
numerical result displayed on the screen.The numerical value below the screen is the temperature of solution.
5.Press “Hold”key to keep the current value,press “Hold” key again to relese it for remeasure.
6.Press “ON/OFF” key to turn off the power after use, then clean the electrode and close the cap.
This instrument will automatic shutdown if it does not work in 5mins.
Calibration:
Prepare 6.86 or 7.00 pH standard buffer solution, press the “ON/OFF” to turn on the instrument,
dip the pH meter into buffer solution,stir gently for a while,then place the meter in quiescent state,
press the “CAL” key for 3seconds after get stable pH value,the insrument will show “CAL”,
then the instrument will calibation and shows”SA” for remenber the result after 2 seconds,
calibration finished if it shows”END”.
Notice:
The instrument’s pH range must be recalibrated whenever:
The electrode has been used(laid) for long time from the last calibration.
The electrode has been used in particularly taxing conditions
The utmost accuracy accuracy is required.
Battery install:
If the screen darkens or gets fuzzy,or the error is large,batteries should be replaced.
Just pull out the battery case and replace it.Pay attention to the directions.
Warranty
These instruments are warranted from all defects in material and manufacuring for a period of one year from the date of purchase.
If during this period,the repair or the replacement of parts is required where the damage is not due to negligence or erroneous operation by user,
please return the parts to either dealer or our effices,and the repair will be effected free of charge.
Our Services
1. Our service
Gemc are synonymous with quality, personalized service and a commitment to excellence. With our specialized rapid, diagnostic test technologies, high quality assurance, brand recognition, innovative research and development techniques, customer-centric design, an experienced management team, and an energetic sales force, Gemc continues to set the standards in product quality and reliability. We believe in continually improving our products and service, and making the business relationship a beneficial experience for both customers and employees.
Based on our core competence in rapid test technology, high quality assurance in products, international renowned brand name, innovative R&D, customer-centric product design as well as strong sales network, the experienced management team and energetic sales force of Gemc will lead our life to achieve peacefulness, harmony, and higher quality.
2. How to order our product
(1) Customers to contact to consult , and purchase our products
(2) Our trader make a perfessional form according to your product
(3) Inform the product you need after you confirmation of the product
Contact us
Telephone: 86-371-60997506
Mobile Phone/WeChat/WhatsApp: 008615303821307
Fax: 86-371-60997506
Website: http://www.gv-medic.com
Address: NO.20,Bosong Road, Zhengzhou, Henan ,China
Zip: 450001
City: Zhengzhou
Country: China (Mainland)
