M-level metrological verification weight, cast iron material standard balance weight

Shanghai Tingheng is the standard weightCast iron weightsProfessional supplier, Shanghai Tingheng Weighing Instrument Factory mainly engages inM1 standard weights, cast iron weights, lock type, cylindrical type, rectangular type, rolling type, hanging type, etc.M-level metrological verification weight, cast iron material standard balance weight

Our factory has strong technical strengthSophisticated equipment and modern management system *The testing methods are diverse, with complete specifications and a reputation for honesty and trustworthiness. Many of them are from major domestic scales Measuring tools and other equipment provided by the manufacturerweightProvide necessary accessories for various enterprises and institutions' metrology, testing, and maintenance institutions through related supporting productsInspection tools. Weights are exported to Europe and America Southeast Asian countries and regions

The main products of Tingheng weights are:JF1 non-magnetic stainless steel E2 and other standard weights; Stainless steel F1; equivalent F2, etc; M1, M2 and other standard weights; Various force values (N) weights; British pound weights Various elemental pillars; Sheet-like; annular; Customized according to customer requirements;

Customer first, timely serviceWilling to cooperate extensively with various sectors at home and abroad; We provide you with high-quality service and await your inquiries; Welcome

JF-1 type non-magnetic stainless steelweightThe technical indicators are as follows: weight density:8.00 ± 0.02g/cm3, weight magnetization rate:<1.0006; Weight hardness: Rockwell hardness>40HRC; Surface roughness of the weight: R is not less than 0.2um; weight mass stability: the mass change of 1kg weight within 15 months is greater than 0.1mg; it meets the requirements of E1.E2 level weights; This weight was appraised by experts in Beijing on June 20, 1991.

The leading product isThe standard weight produced from 1Gr18Ni9Ti austenitic stainless steel material has a grade of F1 F2 level M1 level M2 level.

Its specifications areVarious elemental column types ranging from 20kg to 1mg Sheet type Ring code weights, with units including mass (kg) weights, weight (N) weights, and imperial scale weights.

And for each sensor factoryWeighing equipment factories and electronic scale manufacturers provide counterweights and specialized weights.

M-level metrological verification weight, cast iron material standard balance weight

Our company sells high-quality and affordable stainless steel weights. If you need them, please contact our company and we look forward to hearing from you.

We know that the mass of the object being measured can only be measured by comparing it with a balance and a weight (a standard substance with known mass)Comparison is necessary to determine. Therefore, within the precise range achievable by measurement, the mass of the object being measured can be considered as a combination of positive integers. For example,15．3Ke can be considered as being caused by15Ke and300Milligram is composed of two different positive integers. Weighing this mass with a balance should be prepared15Ke and300A milligram weight.

If the weighing range of the balance is1～100Ke, do we need to prepare100only1Where are the weights for grams? Actually, it's unnecessary to adopt itBy using the "equal accumulation substitution" method, we can reduce the number of weights. for example15It can be done by5and10Cumulative substitution. It is not difficult to find that,1～10Any integer within can be represented by1，2，2，5Four numbers are accumulated (added) through appropriate combinations. as if3＝2＋1．4，4＝2＋2，7＝5＋2. Therefore, as long as the quality numbers are prepared, they are1，2，2，5Four weights per gram will suffice1～10The need for integer weighing in grams. Similarly, it is necessary to refer to100～900Within the milligram range100Milligram multiples of mass, just prepare100，200，200，500Four weights in milligrams. Therefore, the mass of the weights in the weight box is determined by“1，2，2，5”Sequence. If the minimum weight in this box of weights is100Milligram, the weight is100What is the accuracy of weighing with weights on this balance100Milligram, weighing range is100Milligram~211Ke. This means that the mass of any numerical value within this precision and range can be replaced by the accumulation of weights in the weight box. as if175．5Kekeyou100gram.50gram.20gram.5gram.500Accumulated by the weight of milligrams. This ensures that any mass value within the measurement range can be obtained by combining some of these weights, and overall, the required number of weights is minimized.

In addition, this combination is also beneficial for quickly measuring the mass of an object. If the method of increasing or decreasing weights from small to large or from large to small is used during measurement, the number of times the weights are added or removed and the number of times they are twisted and stopped will increase, which will cause deformation of the crossbeam and increase errors. adoptThe "half point method" of adding or subtracting weights (adding or subtracting half of the weight added or subtracted last time) will reduce the number of times weights are added or subtracted. Here is an example to illustrate: if the mass of the object to be measured is175．5Ke (we don't know this value yet, we need to measure it through experiments). When measuring, if we first place one100The weight in grams, as shown by the balance, has a mass smaller than that of the object. If we use the method of adding or subtracting weights from small to large, we need to go through the following steps: adding10Gram weight, (insufficient), add more20Ke (insufficient), add more50G (exceeds), remove10Ke (insufficient), add1Ke (insufficient), add2Ke (insufficient), add5G (exceeds), remove1Ke (insufficient), add100Milligrams (insufficient), add200Milligrams (insufficient), add500Milligrams (exceeding), remove200Milligram (still exceeding), remove100Milligram, then it's balanced. If adoptedTo add or subtract weights using the "half point method", simply go through the following steps:; Put it first100The weight in grams is insufficient. Add a weight equal to half of it50Ke, it's not enough yet. Adding more is equivalent to50A weight of about half a gram20Ke, still insufficient, add more10Ke's, it's exceeded now. Remove it and replace it with a new one5Ke's (insufficient), add more2Exceeding the limit, remove it and replace it1Take off and add the (still exceeding) grams500Milligram, the balance is perfectly balanced. Obviously, adoptingThe 'half split method' reduces the number of times weights are added or subtracted.

Perhaps you can infer from this that the Chinese yuan we use is also derived from1divide.2divide.5Divide,1corner.2corner.5Corner,1Yuan,2Yuan,5Coins or compositions of equal denominations.

Metrological verification weights, cast iron material standards, weighing weights

Shanghai Tingheng StandardweightThe classification of levels is mainly based onThe provisions of JJG99-1990 "Weights" are divided into two grades and nine levels, totaling eleven levels, including the first grade second. E1 level E2 level F1 level F2 level M1 level M11 level M2 level M22 level and 0 level.

balanceweight: Material type- Non magnetic stainless steel Non magnetic stainless steel, copper chrome plated, iron chrome plated.

Weight shape- Garden pillar Garden cone Plate shape Sheet shape Ring shaped Riding form Bar shaped

combined form- Conventional combination 5.2.2.1, (can be combined arbitrarily according to user needs)

accuracy class- First class (E2). Second class (F1 actual difference) F1 (Level 3 tolerance) F2 (Level 4) M1 (Level 5) M2 (Level 6)

weightSpecification (Quality Range)20kg~10kg.10kg~1kg.5kg~1kg.2kg~1kg.2kg~1mg.1kg~1mg.500g~1mg.200g~1mg.100g~1mg.500mg~1mg(片码).500mg~10mg(圈码).50mg~1mg

Single specification (nominal value)20kg.10kg.5kg.2kg.1kg.500g.200g.100g.50g.20g.10g.5g.2g.1g.500mg.200mg.100mg.50mg.20mg.10mg.5mg.2mg.1mg

Each balance is equipped with a set of weights as standard mass. The weights are stored in the weight box. The mass of weights is usually:

（1）1，2，2，5，10，20，20，50，100Ke;

（2）10，20，20，50，100，200，200，500Milligram.

It is easy to see that this is a regular pattern“1，2，2，5”Sequence. Why is the mass of weights in this sequence?

The difference between level and grade is that:

==Waiting is classified according to uncertainty, that is, waiting for the weight to have a correction value

==Grade is classified according to the indication error, that is, the grade weight has no correction value, as long as its indication error is within this range, it is considered qualified