德国Novocontrol Novocontrol GmbH宽频介电和阻抗谱仪,NOVOCONTROL介电阻抗谱仪具有很宽的频率范围(3μHz~3GHz),很高的分辨率(分辨率可达10-5),能灵敏地测量比较低电导率和比较低损耗的材料。
NOVOCONTROL介电阻抗谱仪具有很宽的频率范围(3μHz~3GHz),很高的分辨率(分辨率可达10-5),能灵敏地测量比较低电导率和比较低损耗的材料。 并且测量的样品材料,不但包含各种固体、薄膜,甚至可以测量液体和粉末等材料的介电特性。全自动的软件控制,以及多种温度控制模式的设计,使得Novocontrol介电阻抗谱仪成为科研单位以及企业*佳的介电分析工具。目前,NOVOCONTROL已拥有200多家国际*企业和研究所为其用户。
■ 极宽的频率测量范围:3μHz ~ 3GHz
■ 极宽的阻抗范围:10mΩ ~ 100TΩ
■ 测量精度高,损耗因数(tan(δ))可达到 3×10-5
■ 多种温控系统供选择,控温精度可达 ± 0.01℃,
温度范围:*低可达 - 160℃,*高可达 1600℃
■ 功能强大的全自动在线控制测量软件,可测 30 多种参数,并可
在线显示为 2D/3D 曲线
■ 可测量多种类型样品:固体、薄膜、液体、粉末等
■ 多种特殊功能模块可供选择。如:热激励去极化电流(TSDC)
测量模块、HVB 高压发生器(电压*高可达 ± 2000VAC/VDC)、
电化学测量模块等
常用系统:
频率/Hz
温度/℃
3μ~300K
3μ~3M
3μ~20M
3μ~40M
1M~3G
3μ~3G
常温
BDS 10
BDS 20
BDS40
BDS50
BDS70
BDS80
-160~+400
Concept 10
Concept 20
Concept 40
Concept 50
Concept 70
Concept 80
-100~+250
Concept 11
Concept 21
Concept 41
Concept 51
Concept 71
Concept 81
室温~+400
Concept 12
Concept 22
Concept 42
Concept 52
Concept 72
Concept 82
高温测量系统:
温度/℃
频率/Hz
3μ~1M
室温~1200
Concept 43
室温~1400
Concept 44
室温~1600
Concept 45
测量图例 3:难溶药物 SSR 的无定形(a)和晶体(b)的损耗角正切 tan(δ)随温度和频率的变化。样品电容分别为 1pF(晶体)和 3pF(无定形)。数据来源: Sanofi-Synthelabo Research, AnalyticalScience Department, France
Novocontrol GmbH可测量参数: | ||
/ | Permitivity' repermittivity (dielectric measurement only) | 介电常数实部 |
ε" | Permitivity"impermittivity(dielectric measurement only) | 介电常数虚部 |
le|l | Permitivity I absolute value permittivity(dielectric measurement only) | 绝对值 |
σ' | Conductivity'respecific conductivity (dielectric measurement only) | 电导率实部 |
σ" | Conductivity " imspecific conductivity(dielectric measurement only) | 电导率虚部 |
lo| | l Conductivity I absolute value conductivity (dielectric measurement only) | 绝对值 |
p | Specific Resistance =(dielectric measurement only) | 电阻率 |
tan(δ) | (=D)Tan(Delta)loss factor (quality factor) | 损耗因数 |
δ | Delta loss angle | 损耗角 |
tan(φ) | (=Q)Tan(Phu)phase factor (quality factor) | 品质因数 |
φ | Phi phase angle | 相角 |
Cp' | Capacity Cp'reparallel capacity | 并联电容实部 |
Cp" | Capacity Cp"imparallel capacity | 并联电容虚部 |
Cs' | Capacity Cs'reserial capacity | 串联电容实部 |
Cs " | Capacity Cs"imserial capacity | 串联电容实部 |
|C | | l Capacity C|absolute value parallel capacity | 并联电容绝对值 |
Zp' | Impedance Zp'reparallel impedance | 并联阻抗实部 |
Zp" | Impedance Zp"imparallel impedance | 并联阻抗虚部 |
Zs' | Impedance Zp'reserial impedance | 串联阻抗实部 |
Zs" | Impedance Zs"imserial impedance | 串联阻抗虚部 |
|Z I | l Impedance Z I absolute value serial impedance | 并联电容绝对值 |
Yp' | (=G)Admittance Yp'reparallel admitance(conductance) | 并联导纳实部 |
Yp" | (=G)Admitance Yp"imparallel admittance(susceptance) | 并联导纳实部 |
Ys' | Admittance Ys'reserial admittance | 串联导纳实部 |
Ys" | Admittance Ys"imserial admittance | 串联导纳实部 |
|Y I | |Adimitance Y I absolute value parallel admittance | 并联导纳绝对值 |
Lp' | Inductivity Lp' reparallel Inductivity | 并联电感实部 |
Lp" | Inductivity Lp"Imparallel Inductivity | 并联电感虚部 |
Ls' | Inductivity Ls' reserial Inductivity | 串联电感实部 |
Ls " | Inductivity Ls" imserial Inductivity | 串联电感虚部 |
|L l | l Inductivity L I absolute value serial Inductivity | 串联电感绝对值 |