Instruments Garden Soil Nutrient Detector Soil Temperature ph Test Meter Three-in-One Density Meter
Instruments Garden Soil Nutrient Detector Soil Temperature ph Test Meter Three-in-One Density Meter
Instruments Garden Soil Nutrient Detector Soil Temperature ph Test Meter Three-in-One Density Meter
Instruments Garden Soil Nutrient Detector Soil Temperature ph Test Meter Three-in-One Density Meter
Instruments Garden Soil Nutrient Detector Soil Temperature ph Test Meter Three-in-One Density Meter

Instruments Garden Soil Nutrient Detector Soil Temperature ph Test Meter Three-in-One Density Meter

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Instruments Garden Soil Nutrient Detector Soil Temperature ph Test Meter Three-in-One Density Meter

About the product

Characteristic

Material

Glass

Origin

Hebei wuqiang

Size

Standard

Item number

TH-222

Type

Mud hydrometer

Brand

Other

Scope of application

Soil mud

Model

TH-2018

Whether to import

No

Measurement accuracy

0.0005

Measuring range

0-60

Processing and customization

Is

Order number

TH-1106

Description

15.1

2_看图王.web.jpg

3_看图王.web.jpg土壤密度计计算公式

密度计校正
密度计的刻度是在20℃温度下进行的,读数没有考虑弯液面的影响。因此,试验温度不在20℃时,需对读数进行温度校正,还需进行弯液面校正(该值也受温度影响)等。
    (1)弯液面校正:前面测定的 时刻密度计读数 为悬液温度在℃时弯液面较高点读数实际悬液面为 点, 之间的距离由弯液面引起,故需要经过弯液面校正,弯液面校正值记作 (或甲种比重记作 ),那么 即为 点在 时刻的读数。弯液面校正值测量方法为:将密变计放入与悬液温度相同的清水中,读出高点读数 和与液面平行点读数 

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Characters

Properties

Material

Glass

Origin

Hebei wuqiang

Size

Standard

Item number

TH-222

Description

15.1

2_看图王.web.jpg

3_看图王.web.jpg土壤密度计计算公式

密度计校正
密度计的刻度是在20℃温度下进行的,读数没有考虑弯液面的影响。因此,试验温度不在20℃时,需对读数进行温度校正,还需进行弯液面校正(该值也受温度影响)等。
    (1)弯液面校正:前面测定的 时刻密度计读数 为悬液温度在℃时弯液面较高点读数实际悬液面为 点, 之间的距离由弯液面引起,故需要经过弯液面校正,弯液面校正值记作 (或甲种比重记作 ),那么 即为 点在 时刻的读数。弯液面校正值测量方法为:将密变计放入与悬液温度相同的清水中,读出高点读数 和与液面平行点读数 

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