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100 Minimum Order
بلد:
China
نموذج رقم:
digital ph meter
سعر فوب:
الموقع:
jinan
سعر الحد الأدنى للطلب:
-
الحد الأدني للطلب:
100
تفاصيل التغليف:
nuteral packing
موعد التسليم:
within seven days after receive your payment
القدرة على التوريد:
20000
نوع الدفع:
T/T, Western Union, PayPal
مجموعة المنتج :
الشخص الذي يمكن الاتصال به li
south gongye, Jinan, Shandong
Ph meter (ph**1)
Pen-type ph meter
Specification
*measure range: 0.*0—*4.*0ph
*resolution:0.*1ph
*accuracy:+/_0.*1ph
*Automatic temperature compensation: 0℃***0℃
*Power supply: 2*1.5V(AG*3 battery)
*operating temperature: 0℃***0℃
*calibration: manual at one point through trimmers
*dimension: **5mm**9mm**6mm
*weight: *8g
Operation
remove tne protective cap.
first rinse the electrode with distilled water, and suck it with filter paper.
turn the meter on by pressing the on key.
immerse the ph meter electrode in the solution to be tested.
stir gently and wait for the reading to stabilize.
after use. rise the electrode with water to minimize contamination. turn the meter on by pressing the off key.
always replace the protective cap after use.
Calibration
immerse the electrode in PH6.*6(under the temperature of *5℃ ) standard buffer solution of phosphate, and gently shake the electrode.
regulate the trimmer with a screwdriver until the buffer solution value corresponding to the measurement temperature is obtained.
immerse the electrode in ph 4.*1 or ph 9.*8 the standard buffer solution of borax.
after about one minute, until the buffer solution value corresponding to the measurement temperature is obtained.
Important : the instrument’s ph range must be re-calibrated whenever.
approximately one month has passed from the last calibration.
the electrode has been used in particularly taxing conditions.
the utmost accuracy is required.
Battery install
If the meter can not be switched on or the display fades, to change batteries, pull out the battery case and replace batteries. Pay attention to the polarity of battery.
Warranty
These instruments are warranted from all defects in material and manufacturing 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 repair will be effected free of charge.
بلد: | China |
نموذج رقم: | digital ph meter |
سعر فوب: | أحصل على آخر سعر |
الموقع: | jinan |
سعر الحد الأدنى للطلب: | - |
الحد الأدني للطلب: | 100 |
تفاصيل التغليف: | nuteral packing |
موعد التسليم: | within seven days after receive your payment |
القدرة على التوريد: | 20000 |
نوع الدفع: | T/T, Western Union, PayPal |
مجموعة المنتج : | ph |