Jinko 2817B User manual

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English Manual
2817B/2811C
LCR METER
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Chapter 1 Preparement
1.1 Check the package according to the packing list.
1.2 Power supply requirement:
(1) Voltage range: 198V-242V or 99V-121V.
(2) Frequency range: 47.5Hz-63Hz.
(3) Power range: ≤20VA.
(4) Live wire, null wire and earth wire should fit with the power adapter of this meter.
(5) This meter has been designed carefully to decrease the clutter interference from
AC power, but it still should be used under the low-noise environment; If high-noise is
unavoidable, please install power filter.
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Warning: in order to prevent the harm to users or meter due to the power leakage, users have
to ensure the earth wire connects with the earth reliably.
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1.3 Environment:
(1) Please don't use this meter under the dusty, vibrated, direct-sunlight and
corrosive-gas conditions.
(2) Working temperature: 0℃- 40℃; Relative humidity: ≤75%.
(3) This meter has been designed carefully to decrease the clutter interference from
AC power, but it still should be used under the low-noise environment; If high-noise is
unavoidable, please install power filter.
(4) If unused for long time, please put this meter into the origin or similar package.
The storage temperature: 5℃- 40℃; Relative humidity: ≤85%. No corrosive materials in
the air and direct sunlight.
(5) The meter, especially the testing leads connected with the samples, should stay
away from the strong electromagnetic field to avoid the interference for the measurement.
1.4 Use measuring fixture:
Please use the measuring fixtures or test leads which come from the manufacturer.
Any other measuring fixtures or test leads from other sources may cause the incorrect
measurement. Measuring fixtures, test leads and pins of samples should keep clean to
ensure the good contact. Connect measuring fixtures or test leads with Hcur,Hpot,Lcur
and Lpot terminals on the front panel of the meter. For the shielded enclosure, users can
connect the shielding layer with "┴" of the meter.
1.5 Warm-up and continuous working hours:
To ensure correct measurement, warm-up time should be not less than 15 minutes;
continuous working hours should be not more than 16 hours.

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1.6 Other characteristics:
(1)Power consumption: ≤20VA
(2)Dimension(WxHxD): 350mm x 110mm x 340mm
(3)Weight: 7.2kg.
Chapter 2 Panel Introduction
（1）First-level Menu
Figure 4.1
First-level menu is shown as Figure 4.1; Display definition
is as follows:
FUN: Cs-D
F: 1.0kHz Cs: 1.0000uF
LEVE: 1.0V
RANGE: AUTO
SPEED: MED
CLEAR: OFF D: 0.0001
IN_R: 30R
MODE: TOL

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Displ
ay
Definition
FUN
Measuring parameters. Can choose: Cs-D, Cp-D,
Ls-Q, Lp-Q, Z-D, R-Q, total 6 parameter groups are
available.
F
.2811C/2811D measuring frequency. Can choose:
100Hz, 120Hz, 1kHz, 10kHz, total 4 frequencies are
available.
2817B measuring frequency. Can choose: 50Hz,
60Hz, 80Hz, 100Hz, 120Hz, 200Hz, 400Hz, 500Hz, 800Hz,
1kHz, 2kHz, 4kHz, 5kHz, 8kHz, 10kHz, 20kHz, 25kHz,
40kHz, 50kHz, 100kHz, total 20 frequencies are available.
LEVE
Testing level. Can choose: 1V, 0.3V, 0.1V
RANG
E
Testing range. Can choose AUTO and HOLD
SPEED
Testing speed. Can choose: FAST, MED, SLOW
CLEAR
Clear data
IN_R
Internal resistance. Can choose: 30Ω and 100Ω
MODE
Display mode. Can choose: TOL and TOL%
(2) Second-level menu
NOMNAL: [BIN] [LOW] [HIGH]
1.0000uF 1 -00.00% 00.00%
COMP: ON 2 -00.00% 00.00%
ALARM: ON 3 -00.00% 00.00%
TRIG: INT D 0.0000 0.0000
RS232: ON

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Chapter 3 Operation
2811D/2817B/2816C LCR meters base on MCU technologies. It can measure
inductance L, capacitance C, resistance R, dissipation factor D, quality factor Q, and
impedance Z. The meter combines the useful function, good performance and simple
operation as a whole. It can be used to measure component parameters in factories or
colleges. In order to ensure the accuracy, users can clear stray capacitance from testing
clips and wire resistance via "Clear" function.
1. General operation
3.1 Connect with power supply, press power switch to "on", there should be variable
numbers on the screen, otherwise please restart the meter.
3.2 Warm-up more than 15 minutes before measurement.
3.3 Select correct measuring fixtures or cables; Keep the samples clean and ensure
they have good contact with testing terminals.
3.4 Select corresponding measurement conditions according to requirements of
samples.
2. First-level menu operation:
3.2.1 Parameter settings: Press "PARAMETER" key, change measuring
parameters. When users press this key, parameter is anti-color display; loose this key,
anti-color bar disappear.
3.2.2 Frequency settings: Press "FREQUENCY" key, change measuring
frequency. Holding this key can change the frequency continually.
3.2.3 Level settings: Press "LEVEL" key, change measuring level. Holding this
key can change the level continually.
3.24 Speed settings: Press "SPEED" key, change measuring speed. There are 3
choices: "Fast", "Middle" and "Slow", namely, 10 times/sec, 6 times/sec and 2 times/sec.
3.2.5 Range settings: Press "RANGE" key, change "range" status. Parameters
anti-color display. "HOLD" means "Range Lock"; "AUTO" means "Range unlock".

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3.2.6 Clear settings：Press "CLEAR" key, change "clear" status. Parameters
anti-color display. "ON" means "clear function on"; "OFF" means "clear function off".
(When users need to change parameters and frequency, please close clear function.)
3.2.7 Impedance settings: Press "IMPEDANCE" key, change measuring
internal impedance.
3.2.8 Show settings: Press "SHOW" key, change "show" status. Behind "MODE",
parameters anti-color display. "TOL%" means "display %"; "TOL" means direct display.
(1) Second-level menu
Second-level menu is used for setting the limits of stalls when components are
sorting. Users have to set the limits for component sorting. There are 2 limits for every stall:
upper limit and inferior limit.
Display
Definition
NOMNA
L
Nominal value settings
COMP
Component sorting switch settings
ALARM
Alarm switch settings
TRIG
Trigger mode settings(optional)
RS232
RS232 settings(optional)
1
Stall 1 settings
2
Stall 2 settings
3
Stall 3 settings
D/Q
Secondary parameter
NOMNAL: [BIN] [LOW] [HIGH]
1.0000uF 1 -00.00% 00.00%
COMP: ON 2 -00.00% 00.00%
ALARM: ON 3 -00.00% 00.00%
TRIG: INT D 0.0000 0.0000
RS232: ON

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3.3 Secondary parameter settings:
Press "SET" key twice to enter second-level menu. Press

,

and △ ▽ to
move anti-color bar and make "D" anti-color display, press "ENTER" key, then the first digit
behind "D" will be anti-color display, press
 
to move anti-color bar, press △ ▽
to set the values in the anti-color position.
Press "EXIT" key after finishing secondary parameter settings. The meter will store
the current settings automatically.
3.4 Limited values of stall settings:
Press "SET" key twice to enter second-level menu. Press

,

and △ ▽ to
move anti-color bar and make "1" anti-color display, press "ENTER" key, then the first digit
behind "1" will be anti-color display, press
 
to move anti-color bar, press △ ▽
to set the values in the anti-color position.
Press "EXIT" key after finishing settings. The meter will store the current settings
automatically.
Stall "2" and "3" settings are the same with operation above.
3.5 Nominal value settings:
Press "SET" key twice to enter second-level menu. Press

,

and △ ▽ to
move anti-color bar and make "NOMINAL" anti-color display, press "ENTER" key, then the
first digit under "NOMINAL" will be anti-color display, press
 
to move anti-color bar,
press △ ▽ to set the values in the anti-color position.
Press "EXIT" key after finishing settings. The meter will store the current settings
automatically.
3.6 Component sorting settings:
Press "SET" key twice to enter second-level menu. Press

,

and △ ▽ to
move anti-color bar and make "COMP" anti-color display, press "ENTER" key, then the
bar behind "COMP" will be anti-color display, press △ ▽ to set the values in the

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anti-color position. "ON" means "component sorting function on"; "OFF" means
"component sorting function off".
Press "EXIT" key after finishing settings. The meter will store the current settings
automatically.
3.7: Alarm settings:
Press "SET" key twice to enter second-level menu. Press

,

and △ ▽ to
move anti-color bar and make "ALARM" anti-color display, press "ENTER" key, then the
bar behind "ALARM" will be anti-color display, press △ ▽ to set the values in the
anti-color position. "ON" means "Alarm function on"; "OFF" means "Alarm function off".
Press "EXIT" key after finishing settings. The meter will store the current settings
automatically.
Chapter 4
Basic features and specifications
4.1 Measuring parameters:
Inductance L,Capacitance C,Resistance R, Quality factor Q、dissipation factor D,
Impedance Z.
4.2 Measuring frequency:±2% (2811D, 100Hz-10KHz; 2817B,
50Hz-100KHz; 2816C, 50Hz-200KHz)
50Hz,60Hz,80Hz,100Hz,120Hz,200Hz,400Hz,500Hz,800Hz,1kHz,2kHz,4kHz,5kHz,
8kHz,10kHz,20kHz,25kHz,40kHz,50kHz,100kHz,200kHz
4.3 Measuring parameter groups:
L-Q C-D R-Q Z-Q
4.4 Equivalent Circuit: Series and Parallel

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Actual inductors, capacitors and resistors are not ideally pure reactance or resistance
components, but the complex impedance components presented by series or parallel way.
This meter calculates the required values on the base of equivalent series or parallel
circuit. Different equivalent circuits will cause different results. Both equivalent circuits can
switch each other by the formulas as listed in figure 4.1. For Q and D, no matter what the
equivalent way is, the result is the same.
Figure 4.1 Equivalent circuit
Circuit Dissipation D Equivalent way
Q, D, Xs definition; Q=Xs/Rs, D=Rs/Xs, Xs=1/2πFCs=2πFLs
Note: for component parameters, subscript s means equivalent series, p means
equivalent parallel.
Generally, for low-value impedance components(high-value capacitors and low-value
inductors), we should use equivalent series circuit; In contrast, for high-value impedance
components(low-value capacitors and high-value inductors), we should use equivalent
parallel circuit. But Meanwhile, we must choose the equivalent circuit according to actual
situation, for example, the capacitor, when it's used for power filter, should use equivalent
series circuit; when it's used for LC oscillation circuit, should use equivalent parallel circuit.
4.5 Range
2811D/2817B/2816C uses 5 ranges totally: 10Ω, 100Ω, 1kΩ, 10kΩ and 100kΩ.
Range can choose auto or hold status. Measuring range will base on the impedance
of sample and each effective measuring span, no matter the sample is capacitor or

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inductor.
4.6: Measuring terminals
4 measuring terminals:
Hcur: High current excitation;
Hpot: High voltage sampling;
Lpot: Low voltage sampling;
Lcur: Low current excitation.
4.7: Measuring speed
Measuring frequency, integral time, component values, display mode, range mode
and comparator all will affect measuring speed. 2811D/2817B/2816C provide Fast, MED
and SLOW, total 3 measuring speeds for the users. In general, if the measuring speed is
slower, the readings will be more stable and accurate.
FAST: 10 times/second; MED: 5.1 times/second; SLOW: 2.5 times/second.
4.8: Selection of Signal source resistance
2811D/2817B/2816C can provide 30Ω and 100Ω, two signal source resistances are
selectable. At the same measuring voltage, choose different signal source resistance, and
we will get the different measuring current. If the sample is sensitive to the measuring
current, that will cause different results. It's convenient to compare with other
manufacturers' measuring results via these two signal source resistance.
About measuring level
Exactly, the measurement for inductors should use small measuring current
whenever possible(namely, small measuring level). Different meters will get different
measuring results because their measuring signal currents are different. It depends on the
signal source resistance of output voltage from meters.
Ra
Lx
Figure 7-3 Sketch for signal source resistance
adjustment
If we impose a high measuring signal on the inductor, on some specific frequencies,
HD HS LS LD

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maybe we can't measure accurately. That is due to the nonlinear of iron core. And it will
cause distortion for the measuring signal current. In order to reduce distortion, we should
decrease the measuring signal level.
4. 9: Selection of series or parallel
Selection of equivalent circuit for capacitor
Small capacitance correspond to high impedance, and parallel resistance affect more
than series resistance. Compare series resistance with impedance of capacitor, series
resistance is much smaller and negligible. So, we should select equivalent parallel to
measure.
In contrast, big capacitance correspond to low impedance, and series resistance
affect more than parallel resistance. Compare to impedance of capacitor, parallel
resistance is much bigger and negligible. So, we should select equivalent series to
measure.
Generally, we can select the equivalent circuit for capacitor according to the rules
below.
＞10kΩ, select parallel;
＜10Ω, select series.
Between 10Ω and 10kΩ, please select the suitable equivalent circuit according to
component manufacturer's recommendation.
Selection of equivalent circuit for inductor
Big inductance correspond to high impedance, and parallel resistance affect more
than series resistance. So, equivalent parallel is more suitable for the measurement.
In contrast, small inductance correspond to low impedance, series resistance affect
more than parallel resistance. So, equivalent series is more suitable for the measurement.
Generally, we can select the equivalent circuit for inductor according to the rules below.
＞10kΩ, select parallel;
＜10Ω, select series;
Between 10Ω and 10kΩ, please select the suitable equivalent circuit according to
component manufacturer's recommendation.
4.10: Basic accuracy
C：0.1% (1+ Cx/Cmax+ Cmin/Cx )(1+Dx )( 1+ks+kv+kf )；
L：0.1% (1+ Lx/Lmax+ Lmin/Lx )(1+1/Qx )( 1+ks+kv+kf )；
Z：0.1% (1+ Zx/Zmax+ Zmin/Zx )(1+ks+kv+kf )；
R：0.1%(1+ Rx/Rmax+ Rmin/Rx )(1+Qx)(1+ks+kv+kf )；
D：±0.0020(1+ Zx/Zmax+ Zmin/Zx )(1+Dx+Dx2 )(1+ks+kv+kf )；
Q：±0.0020(1+ Zx/Zmax+ Zmin/Zx )(Qx+1/Qx )(1+ks+kv+kf )；
Note: 1. D and Q are absolute error, others are relative error, Dx=1/Qx;

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2. Subscript x means the measuring value, max means maximum values, min
means minimum value;
3. ks means speed factor, kv means voltage factor, kf means frequency factor;
4. In order to ensure accuracy of measurement, users should calibrate accuracy
under the current measuring conditions and tools with reliable open circuit and short
circuit and clear "zero".
4.11: Model number
Model
number
Frequency(Hz)
Para
meter
Accu
racy
2817B
50/60/80//100/120/200/400/500/800/1k/2k/4k/5
k/8k/10k/20k/25k/40k/50k/100k
L C R
D Q
0.1%
2811D
JK2810 数
字电桥
100Hz,120Hz,1kHz,10kHz
L C R
D Q
0.1%
2816C
50/60/80//100/120/200/400/500/800/1k/2k/4k/5
k/8k/10k/20k/25k/40k/50k/100k/200k
L C R
D Q
0.1%
4.12: Range
Parameter
Frequency
Measuring range
L
50Hz - 800Hz
1uH - 9999H
1kHz
0.1uH - 999.9H
10kHz - 200kHz
0.01uH - 99.99H
C
50Hz - 800Hz
1pF - 19999uF
1kHz
0.1pF - 1999.9uF
10kHz - 200kHz
0.01pF - 19.99uF
R
0.001Ω - 39.999MΩ
D
0.0000 - 9999
Q
0.0000 - 9999
Paramenter
Display range
L
0.0001μH - 99999H
C
0.0001pF - 99999mF
R/Z
0.0001mΩ - 99999MΩ
Q
0.0001 - 99999
D
0.0001 - 99999

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Chapter 5 About accuracy
5. 1For the whole measuring range, the accuracy complies with the curve below.
20.0 Accuracy(%) 10kHz 1kHz
10.0
5.0
2.0
1.0
100Hz
0.5
0.2
0.1
0 .01mH .1mH 1mH 10mH 0.1H 1H 10H 100H 1000H
H
5.2. Accuracy for Quality Factor in the whole range: ±[0.030+0.2(1+Q)%]
5.3. Accuracy for Dissipation in the whole range: ±[0.0030+0.5D(1+D)%]
Chapter 6 Maintenance and
Notice
6.1. The meter should connect with earth reliably.
6.2. If this meter displays the chaotic or disordered data, users can recover it to factory

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setting by the following steps. Power off the meter, and then hold any key, power on the
meter.
6.3. Warm-up ten minutes, and let the meter work stably. Don't use this meter in the
harsh environment. Keep this meter clean. All these are for avoiding the bad effect to the
performance and accuracy.
6.4. Please try to use Range Lock function whenever possible to improve measuring
speed for massive samples.
6.5. When the meter can't power on normally or the interference makes the meter
function wrong, please restart the meter.
6.6. Please keep the testing cables in the same position after short circuit and clear-zero,
otherwise the electromagnetic coupling between the testing cables will cause unstable
measuring readings or inaccuracy clear-zero data.
6.7. Please contact with us when the meter malfunctions.
Chapter 7
Correct measurement for inductor
7.1.Characteristics of Inductor
The inductor is made of a wire surrounding the magnetic core. Its characteristics
depend on the materials for magnetic core. Air, we can say it's the simplest material for
magnetic core, but because the inductance is proportional to magnetic permeability of
magnetic core, and magnetic permeability of air is very small, considering the volume
efficiency, so air is not used to make inductors. Usually, people use magnetic materials,
like ferrite, high-permeability magnetic alloy or pure ferrite. Most inductance will change
dramatically when we use different frequencies and levels to measure. The inductance for
the inductor will be affected by the magnetic permeability μ. Magnetic induction intensity of
the core changes as the magnetic field intensity changes. (The magnetic field is
generated by the current following through the coils) Their relation can be described by a
magnetization curve. Figure 7-1 shows a typical magnetization curve for inductor coil.
When magnetic material imposes a static magnetic field, its magnetic induction
intensity will increase with current increase. Inductance L, magnetic permeability μ, B= μH.
Figure 7-2 shows relation curve of B, H and L.

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ILB
H∝IL
H
Figure 7-1 Magnetization curve for inductance coil
B
H
L
LMAX
IL
Figure 7-2 Relation Curve for Magnetic Field Intensity and

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Inductance
In the magnetic permeability area near the origin of coordinates, magnetic induction
intensity increases slowly, and inductance is small too; subsequently, inductance
increases as current increases. When exceeding saturation point, inductance will
decrease dramatically as current increases, in this situation, measuring signals maybe
have distortion, and the readings become unstable. On the other hand, dissipation of
magnetic core will increase in some high-frequency area around some point. It depends
on the materials and structure of magnetic core.
In a word, different measuring signals and frequencies will cause very different
measuring results for inductor.
7.2 Use measuring fixture correctly
When metal is very close to the inductor, the leakage flux from inductor will generate
eddy current in the metal. The quantity of eddy current is relative to the size and formation
of measuring fixture. Different eddy currents will cause different measuring results. When
users need to measure the inductor accurately, please let the samples be as far as
possible from the metal.
7.3 Accuracy about Q value
Generally, the meter uses V/I (voltage/current) method to test Q value, so accuracy
for Q value is not very high, especially, when testing high-value for Q via calculation, for
instance, Q=X/R=1/D, if Q value is 100, and R value accounts for small percentage in the
whole impedance, then, tiny change of R value will cause big change for Q value. R value
changes 0.1%, namely, D changes 0.001, and Q value will change from 100 to 91 or 111.
7.4 Measurement with additional DC bias current
Generally, DC bias current is suitable for measuring inductor and transformer. Users
can use special DC magnetization power and DC bias current. If there is no magnetization
power, users can add magnetization current to inductor or transformer samples according
to Figure 7-4 method.
In order to avoid the effect to measurement from additional circuit, users should
adjust DC current to 0A, and then short circuit/open circuit and clear zero, at last, adjust to
the required current to measure.
Figure 7-4: Lx: Inductor sample E x: Outside DC power
C1, C4: Isolating capacitor C1≥1/(10лF), F is measuring frequency, Withstanding
voltage>E x
C2, C3: Isolating capacitor C2=1μF, Withstanding voltage>Ex

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V6, V7, V9, V11: 1N40/5007 V1, V2, V3, V4, V5, V8:47V, 1W
First, users should place a ammeter into the DC power circuit by series connection,
and adjust DC voltage till get the required current. Take the ammeter out.
Both HS and LD wires should be as short as possible. Every testing leads, especially
HS and LD, should use shielded wires.(Bold lead in the picture)
C1 L1
HD
V1 V3
V2 V4
HS
V5 V7 C2 Ex
V6 V8 Lx
LS
V9 V10 C3
C4
LD
V11 V12
Figure 7-4 Impose outside DC bias current circuit
diagram
DC power
supply

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Chapter 8 Packing List
1. Main unit x1
2. Measuring wire x1
3. Power cord x1
4. PDF Manual x1
Warranty: two years for non-human factor.