Handheld PH meter

Handheld PH meter, portable acidity meter model: MHY-27456MHY-27456 is a portable ph meter with strong function and convenient use. The Chinese display and Chinese menu guide make the operation extremely convenient. It has many functions, high measurement accuracy and convenient carrying. It can be used to measure the PH value in each line of solution. Main features l High-precision three-composite ph electrode, accurate measurement and convenient l Advanced chip technology and integrated design, high integration circuit design, stable and durable l Advanced single-chip technology, high performance, low power consumption 24-bit A/D signal acquisition, High-precision measurement, accurate and reliable l Chinese main menu operation, easy to understand, fast and convenient operation l Long battery life, continuous measurement for up to 8 hours after charging l Cycle data storage function, automatic clearing of overflow data, easy to operate, easy to query, Power-off data storage time of more than 10 years l The instrument structure is small and beautiful, easy to carry technical indicators display: 128 × 64 dot matrix liquid crystal, Chinese display measurement range: (0.00 ~ 14.00) pH indication error: ± 0.02 pH resolution: 0.01 pH Input impedance: no less than 1X1012Ω repeatability: no more than 1% stability: ±1%FS/4h response time: T90
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Air Waybills Courier Form

Airway bills courier form refer to documents used by the express industry to record the sender, recipient, product weight, price and other related information during the delivery of goods. At present, the express delivery industry mostly uses bar code express orders to ensure continuous data output in the express delivery industry and facilitate management.


At present, the paper used for express delivery forms is generally multi-part carbonless Copy Paper, etc. The processing technology mainly uses continuous code printing, skipping code variable code printing, and most of them are more than 3 copies, especially for EMS, etc. express orders are mostly 5 copies.


In 6 pairs, it can be divided into ordinary barcode slips and adhesive-backed barcode slips. The ordinary barcode slips need to be used with courier bags. The last page of the adhesive-backed barcode slip can be torn off and pasted on the goods, which is more convenient to use. The regular size is 217*127,230 *140,230*127,240*150, etc.


The most advanced system currently used in the express waybill production industry is the Kodak Wanyin coding system, which has the advantages of high processing efficiency, high precision and high stability.

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