sticky term
Below is a list of terms commonly used in the field of viscosity measurement and control.
3A
American Industry Standard for Industrial Equipment Design; clean-in-place certification required.
absolute viscosity
with Newtonian material
ASTM
American Society for Testing and Materials related viscosity values. US organization responsible for establishing testing standards.
auto range
Standard Brookfield digital viscometers/rheometers feature a maximum viscosity value that can be measured using a specific spindle at the designed rotational speed.
pendulum
Spindle for use with PVS rheometers;
Also called a "Bob/Stator" because it doesn't spin on this instrument. The sample cup rotates instead, causing a shearing action.
°C
is the scientific unit of temperature measurement; expressed as "Celsius" or "Celsius."
centiliters
unit of measurement in the cgs system to obtain viscosity; abbreviated cP.
Comm
Port the communication channel on the PC/computer to it, through which the data is transferred.
concentric cylinder
A cylinder within a cylinder. For viscosity measurements, a cylindrical spindle rotates within a cylindrical chamber. Also called "coaxial cylinders" because the two cylinders have the same centerline.
Tapered spindle
is an almost flattened circular spindle that is at a small angle relative to the rotating disk or disc.
CP or C/P
Brookfield Cone and Plate Geometry Terminology.
cylindrical spindle
Shaped like a cylindrical spindle.
Disc spindle
A spindle with a flat disk near the bottom of the rod. The shape of the disk axis is such that the calculation of the shear rate is approximated or averaged over the surface of the disk.
DIN
Deutsche Industrie Normung, the German organization responsible for setting testing standards; similar to ASTM in the United States.
Dyne - cm
A unit of measurement for torque.
°F
Scientific unit of temperature measurement; expressed as "degrees Fahrenheit". flow
ounce
is a scientific unit of volume measurement; abbreviated as oz.
Floor area
Bench space or area required for equipment items.
gallon
is a scientific unit of measurement; abbreviated as gal.
gap
, where the spindle rotates the distance between the spindle and the chamber or cup.
gram
A scientific unit of measurement for weight; abbreviated as gm.
Guard Leg
Spindle protection bracket for standard Brookfield LV and RV viscometers/rheometers.
HA
The Brookfield torque range is suitable for measuring medium to high viscosity materials.
100% torque = 14,374 dyne-cm.
HB
The Brookfield torque range is suitable for measuring high viscosity materials.
100% torque = 57,496 dyne-cm.
5xHB
The Brookfield torque range is suitable for measuring "very" high viscosity materials.
HB的五倍。
100％扭矩= 287,480达因 - 厘米。
Hz
频率的测量单位; 表示为“赫兹”或“每秒周期数”。
在线
过程粘度计放置在管道中。
KREBS单位
是使用以200RPM旋转的KREBS主轴获得的粘度测量单位; 常用于油漆和涂料行业。
液晶显示
液晶显示
LED
发光二极管显示器
升
测量体积的科学单元; 缩写为L.
LV
Brookfield扭矩范围，适用于测量低粘度材料。
100％扭矩= 673.7达因 - 厘米。
mA
是电流测量的科学单位; 表示为“毫安”。
毫升
一个科学的体积测量单位; 缩写为mL。
micro liter
科学的体积测量单位; 缩写为mL。
milli-Pascal秒
是粘度的测量单位; 缩写为mPaos。
NIST
国家标准与技术研究所。美国政府组织负责测试标准。
牛顿（Newtonian）
一种材料，其粘度值在所有剪切速率下都相同。
非牛顿的
一种材料，其粘度随剪切速率的变化而变化。
在线
使用过程粘度计，以在加工过程中提供材料的连续粘度测量。
pH值
正氢离子指数。表征材料中的酸度或碱度。
品脱
量的量度单位; 缩写为pt。
Plate Spindle
一个扁平圆形主轴，用于测量粘弹性材料或含有颗粒物质的材料。
气动
空气操作
泊
测量粘度的单元; 缩写为P.
PP
Brookfield术语用于板和板几何。
相对粘度
在定义的剪切速率下非牛顿材料的粘度值。
流变
学是研究材料变形和流动的科学。
流变仪
是一种测量材料流动行为的仪器。 每分钟
转速
; 主轴转速的测量单位。 计算机行业中的
RS-232
数据传输协议。
RTD
电阻热探测器; 用于测量温度RV的传感器类型
Brookfield扭矩范围适用于测量中等粘度材料。
100％扭矩= 7,187达因 - 厘米。
sec-1
剪切速率的科学测量单位; 表示为“倒数秒”或“倒秒”。
剪切速率
流动材料中的速度梯度; 在腔室或杯子中旋转的主轴的形状和旋转速度用于计算剪切速率。
剪切应力
用于移动材料的每单位面积的力。
主轴几何
The main axis of the shape. Brookfield spindles fitted with standard viscometers/rheometers (Dial Readout, DV-E, DV-I+, DV-II+Pro, DV-III+) are of the disc type. Other options include cylindrical, conical, plate, KREBS, and more.
stop time
The Brookfield test procedure in the DV-I+ and DV-II+ viscometers, which measures the viscosity of a material after a specified time interval.
torque
Measures the torque measurement capability of a Brookfield viscometer/rheometer measured in a Dharma; designations such as LV, RV, HA or HB are used to define the torque range of a particular instrument.
Torque%
is the amount of torque resistance measured by a rotating shaft immersed in the material.
volt
A unit for measuring voltage, unless otherwise specified; abbreviated as V.
Viscometer
An instrument for measuring the viscosity of a material.
viscosity
is the resistance to material flow.
Viscosity = shear stress / shear rate
Viscosity range
The operating range of the Brookfield instrument using the identified spindle.
yield stress
The force required to cause material to flow.
conversion table
viscosity
1 cP = 1 mPa s
1 P = 100 cP
1 Pa s = 1,000 mPa s
sample size
1 L = 1000 mL
1 mL = 1000 mL
1 gal = 8 pt. = 3.7L
1 pt = 16 oz.
Torque range
LV = 673.7 dyneoccm
RV = 7,187 dyneoccm
HA = 14,374 dyneoccm
HB = 57,496 dyneoccm
5xHB = 287,480 dyneoccm
temperature
°C = 5/9 (°F-32)
