Woodley InSight V5 User manual

模板编号及版本: DMR-MB-007[1.5]

Copyright © WOODLEY EQUIPMENT COMPANY LTD.
i
Preface
Before performing maintenance on the device, please read this service manual carefully to gain an
understanding of how to properly maintain it.
After reading, keep the manual in a convenient location for future reference and easy access.
Product name: InSight V5 Veterinary Haematology Analyser
Declaration
We reserve the right to final interpretation of this service manual.
We shall be responsible for the safety, security and performance of the product only when all of the
following conditions are met:
⚫The assembly, re-commissioning, extension, modification and repair of the product are performed
by authorised and trained personnel only.
⚫The installation of the relevant electrical devices complies with applicable national standards.
⚫The product is operated in accordance with this service manual.

Copyright © WOODLEY EQUIPMENT COMPANY LTD.
ii
Maintenance Services
Scope of free services:
All products complying with our product warranty specifications may qualify for free services.
Scope of fee-based services:
⚫Fee based services are available to all products exceeding the product warranty specifications.
⚫Products within the warranty period require maintenance under the following circumstances:
➢Artificial damage
➢Improper use
➢When grid voltage exceeds the specified operational range
➢Unavoidable natural disasters
➢When parts and supplies are replaced with no prior consent from us, or machine maintenance
is performed by personnel with no prior authorisation.
⚫Any failure by hospitals or organisations responsible for using this instrument to implement a
competent repair/maintenance plan is likely to result in abnormal instrument failure or even a
health hazard.
⚫Make sure the analyser is only operated under the conditions of use as specified in the operator's
manual. If operated outside of the specified conditions of use, the analyser may not work properly,
which could lead to unreliable measurement results and damaged instrument components or
even bodily injury.
This analyser must be operated by trained medical testing professionals, doctors, nurses, or
laboratory technicians.

Contents
Copyright © WOODLEY EQUIPMENT COMPANY LTD.
iii
Contents
Preface................................................................................................................................................. i
Declaration.......................................................................................................................................... i
Maintenance Services....................................................................................................................... ii
Contents............................................................................................................................................ iii
1 Manual Overview............................................................................................................................ 1
1.1 Instruction................................................................................................................................. 1
1.2 Who Should Read This Manual ............................................................................................... 1
1.3 Symbols and Legends.............................................................................................................. 1
1.4 Safety Instructions.................................................................................................................... 4
2 Instrument Configuration.............................................................................................................. 6
2.1 Mechanical Components.......................................................................................................... 6
2.2 Hydraulics System ................................................................................................................... 9
2.2.1 Schematic Diagram of the Hydraulic System ................................................................ 10
2.2.2 Hydraulics Diagram for the Overall Unit .........................................................................11
2.2.3 DIFF/WBC Measurement Channel.................................................................................11
2.2.4 HGB Measurement Channel.......................................................................................... 13
2.2.5 RBC/PLT Measurement Module .................................................................................... 13
2.2.6 Sampling and Blood-dispensing Module ....................................................................... 14
2.2.7 Power Supply and Waste Discharge Module................................................................. 14
2.2.8 Status Monitoring Module.............................................................................................. 15
2.2.9 Hydraulic Components................................................................................................... 15
2.2.10 Main Measurement Modes .......................................................................................... 22
2.2.11 Hydraulics Maintenance............................................................................................... 29
2.2.12 Troubleshooting Common Hydraulics Problems.......................................................... 30
2.3 Hardware System................................................................................................................... 43
2.3.1 Main Control Panel ........................................................................................................ 44
2.3.2 Other Panels.................................................................................................................. 59
2.4 Optical System....................................................................................................................... 62
2.4.1 Integral Replacement of the Optical Assembly.............................................................. 62
2.4.2 Replacing the Optical Preamplifier Panel ...................................................................... 64
2.4.3 Replacing the Laser Driver panel................................................................................... 65
2.4.4 Fine Tuning of the Flow Chamber.................................................................................. 67
2.4.5 Replacement of High-angle Receiving Plate ................................................................. 68

Contents
Copyright © WOODLEY EQUIPMENT COMPANY LTD.
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2.4.6 Common Problems and Solutions ................................................................................. 69
3 Repairs .......................................................................................................................................... 71
3.1 Overview ................................................................................................................................ 71
3.2 Preparatory Work before Repairs .......................................................................................... 71
3.2.1 Disassembling the Left Side Panel................................................................................ 71
3.2.2 Open the Right Side Door.............................................................................................. 73
3.2.3 Disassembling the Panel Cover..................................................................................... 73
3.3 Display Screen Assembly Replacement ................................................................................ 76
3.3.1 Replacing the Touch Screen.......................................................................................... 76
3.4 Sampling Assembly Replacement ......................................................................................... 77
3.4.1 Replacing the Sample probe.......................................................................................... 77
3.4.2 Replacing the Optocoupler ............................................................................................ 79
3.4.3 Replacing the Sampling Assembly in X- or Y-direction.................................................. 79
3.5 Power Assembly Replacement .............................................................................................. 81
3.6 Hydraulics Components incl. Valves, Pumps, and Pressure Chambers Replacement......... 82
3.6.1 Replacing the valve assembly ....................................................................................... 82
3.6.2 Replacing the Liquid Pump Assembly ........................................................................... 84
3.6.3 Replacing the Negative-pressure Chamber Assembly.................................................. 85
3.7 Sheath Flow Syringe Assembly Replacement ....................................................................... 87
3.7.1 Replacing the syringe .................................................................................................... 87
3.7.2 Replacing the Motor....................................................................................................... 88
3.8 WBC and RBC Bath Assemblies Replacement ..................................................................... 89
3.8.1 Dismantling and replacing the WBC bath assembly...................................................... 89
3.8.2 Dismantling and replacing the RBC bath assembly ...................................................... 92
3.9 Main Control Panel Replacement .......................................................................................... 95
3.10 Reagent Testing Panel Replacement................................................................................... 96
3.11 Disassembling and Replacing the Temperature Sensor...................................................... 98
4 Software Upgrade....................................................................................................................... 100
4.1 Preparation........................................................................................................................... 100
4.2 Upgrading Steps .................................................................................................................. 100
4.3 Touch Screen Calibration..................................................................................................... 102
5 Comprehensive Device Tuning................................................................................................. 104
5.1 Position Adjustment.............................................................................................................. 104
5.2 HGB Voltage Gain Setting.................................................................................................... 105
5.3 Gain Calibration ................................................................................................................... 106
5.4 Calibration of Calibrators...................................................................................................... 106
5.4.1 Calibration in Whole-blood Mode................................................................................. 106
5.4.2 Calibration in Predilute Mode....................................................................................... 107
5.5 LIS Connection..................................................................................................................... 108

Contents
Copyright © WOODLEY EQUIPMENT COMPANY LTD.
v
5.5.1 Installing LIS Workstation ............................................................................................ 108
5.5.2 Host Communication Settings...................................................................................... 108
5.5.3 Connecting Analyser with LIS ...................................................................................... 109
6 Alarms and Solutions .................................................................................................................111
7 Maintenance Inventory ...............................................................................................................117

1 Manual Overview
Copyright © WOODLEY EQUIPMENT COMPANY LTD.
1
1
Manual Overview
1.1 Instruction
This chapter explains the procedures for maintaining the InSight V5 Haematology Analyser. Please
read this manual carefully to guarantee proper device maintenance and operator safety.
This manual is complemented by the operator's manual; there is no overlap between the two.
Be sure to operate the device in strict accordance with the instructions in the maintenance and
operator's manuals.
1.2 Who Should Read This Manual
This service manual should be used by professionals who possess:
⚫A comprehensive knowledge of electrical circuits and hydraulics
⚫A comprehensive knowledge of reagents
⚫A comprehensive knowledge of quality control
⚫A comprehensive knowledge of troubleshooting
⚫The ability to skillfully operate this analyser
⚫An understanding of basic mechanical tools and any relevant terms
⚫Skills for using digital voltmeters and oscilloscopes
⚫The ability to analyse electrical-circuit graphs and hydraulics diagrams, and to understand the
related terminology
1.3 Symbols and Legends
Symbols used in the manual:
Symbol
It means
The operator should follow the instruction below each symbol to
avoid personal injury.

1 Manual Overview
Copyright © WOODLEY EQUIPMENT COMPANY LTD.
2
Symbol
It means
The operator should follow the instructions below each symbol to
prevent instrument failure, damage, or disrupted test results.
The operator should follow the instructions below each symbol and
pay special attention to any pertinent information when following
the procedures.
The operator should follow the instructions below each symbol to
prevent any danger of infection.
The following symbols can be found on the analyser, reagents, QC materials, or calibrator:
Symbol
It means
Caution
Biohazard
Exercise caution to prevent puncture
Protective grounding
Laser radiation warning:
It is a Class 3R laser product with 5.0 mW of maximum power
output at 635nm. Avoid direct eye exposure to the laser beam.
Instruction for Moving
Network interface
Protective grounding
Alternating current (AC)
In Vitro diagnostic medical device
Type B applied part
Lot Number

1 Manual Overview
Copyright © WOODLEY EQUIPMENT COMPANY LTD.
3
Symbol
It means
Expiry date
Serial number
European CE declaration of conformity
Authorized Representative in the European Community
Date of manufacture
Manufacturer
Storage temperature
Humidity level for storage
106kPa
50kPa
KPa
Atmospheric pressure level for storage
Consult the Operator’s Manual
Keep away from sunlight
Keep dry
No rolling
No Stacking.
Let this side face upward.
Fragile, handle with care
Recyclable materials

1 Manual Overview
Copyright © WOODLEY EQUIPMENT COMPANY LTD.
4
Symbol
It means
The analyser, after being scrapped, should not be disposed with
other household garbage, instead, it should be collected and
recycled following the disposal instructions for scrapped electronic
and electrical equipment.
1.4 Safety Instructions
⚫Device maintenance carried out in accordance with the following instructions guarantees the
safety of both patients and operators. For use by trained personnel only.
⚫Any failure by hospitals or organisations responsible for using this instrument to implement a
competent repair/maintenance plan is likely to result in abnormal instrument failure or even a
health hazard.
⚫To prevent risk of explosion, do not use combustible gases (e.g. anesthetics) or liquids (e.g.
ethanol) near this product.
⚫The machine should be powered off while troubleshooting. Any maintenance operation while the
power is on can lead to electric shock or damage to its electrical components.
⚫Please connect the device to the socket using a separate fuse and surge protection switch. If the
device shares a fuse and surge protection switch with other equipment, e.g. life support
equipment, any malfunction may cause an electric surge to occur when the instrument is
powered on, which can trip the circuit breaker.
⚫Maintenance personnel must keep their clothes, hair, and hands away from moving parts such
as the sample probe, jaws, and puncture needle to avoid being stabbed or pinched during
maintenance.
⚫Parts with special warnings may be subject to mechanical movements and thus lead to injuries
from pinching or stabbing during normal operation or disassembly and repair.
⚫Operators are obligated to comply with local and national regulations with regard to the disposal
and emission of expired reagents, waste, waste samples, consumables, and so on.
⚫The reagents are irritating to eyes, skin and mucosa. When handling reagents and their related
items in the laboratory, the operator should comply with laboratory safety regulations and wear
personal protective equipment (such as a protective lab suit, gloves, etc.).
⚫If the reagent accidentally comes in contact with your eyes or skin, wash it off immediately with
water.

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⚫Improper maintenance may damage the analyser. Maintenance personnel should maintain the
device in accordance with the instructions contained in the service manual, and inspect the
device properly after each maintenance.
⚫If you encounter a problem not specified in the service manual, please contact our after sales
service department. A professional will be assigned to offer you maintenance advice.
⚫When repairing the electronic components of the device, please take off any metal accessories
you might be wearing to prevent personal injury or damage to the device.
⚫Electrostatic discharge may cause damage to the device’s electronic components. If the repair
process can result in any electrostatic damage, please wear an antistatic wrist strap or maintain
the device on an antistatic workstation.
This analyser must be operated by trained medical testing professionals, doctors, nurses, or
laboratory technicians.
⚫Samples, controls, calibrators, and waste may pose a potential risk of bio-contamination. When
handling reagents and related items in the laboratory, the operator should comply with laboratory
safety regulations and wear personal protective equipment (such as a protective lab suit, gloves,
etc.).
⚫Both the parts and surface of the analyser are potentially infectious, so please take safety
precautions during operation and maintenance.
⚫The pointed sample probe, any blood stains left on it, QC materials, and calibrators may be
potentially bio-infectious, so please avoid contact with the sample probe.
This sign warns of laser radiation. Do not look directly at the laser beams or see through the optical
system.

2 Instrument Configuration
Copyright © WOODLEY EQUIPMENT COMPANY LTD.
6
2
Instrument Configuration
2.1 Mechanical Components
The InSight V5 Haematology Analyser consists of the main unit and its accessories.
Figure 2-1 Front of the analyser
1 - Aspirate key
2 - Sample probe
3 - Status indicator light
4 - Touch screen

2 Instrument Configuration
Copyright © WOODLEY EQUIPMENT COMPANY LTD.
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Figure 2-2 Side view of the analyser
1 - LAN network interface
2 - USB interface
3 - Right side door buckle
4 - Left side small door buckle
Figure 2-3 Back view of the analyser
1 - Power switch
2 - Power supply input connector
3 - Cooling fan
4 - Waste outlet connector
5 - Diluent inlet connector
6 - BNC socket for the diluent sensor
7 - BNC socket for the waste sensor
8 - Ground studs

2 Instrument Configuration
Copyright © WOODLEY EQUIPMENT COMPANY LTD.
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Figure 2-4 Front view of the analyser (panel cover, rear shell removed)
1 - Sampling assembly
2 - Main control panel
Figure 2-5 Right-side view of the analyser (right-side door removed)
1 - Power assembly
2 - Sampling assembly
3 - Counting bath assembly
4 - Electromagnetic valve assembly
5 - Negative-pressure chamber
6 - Preheating bath assembly
7 - Pinch valve
8 - Liquid pump assembly

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Copyright © WOODLEY EQUIPMENT COMPANY LTD.
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Figure 2-6 Left-side view of the analyser (Left-side door removed)
1 - Optical assembly
2 - Reagent testing panel
3 - Electromagnetic valve assembly
4 - Sampling syringe
2.2 Hydraulics System
The hydraulics system consists of the DIFF/WBC measurement module, the HGB measurement
module, the RBC/PLT measurement module, the sampling and blood dispensing module, the power
supply and waste discharge module, and the status monitoring module. Detailed description:
⚫DIFF/WBC measurement module:
Consists of the dosing syringe, WBC reaction bath, flow chamber, tubing, and valve.
⚫HGB measurement module:
Consists of the dosing syringe, WBC reaction bath, tubing, valve, HGB emission light, and HGB
receiving tube.
⚫RBC/PLT measurement module:
Consists of the dosing syringe, RBC/PLT counting bath assembly, tubing, and valve.
⚫Sampling and blood dispensing module:
Consists of the sample probe, sampling syringe, swabs, and sampling assembly.
⚫Power supply and waste discharge module:
Consists of the vacuum chamber, liquid pump, valve, and tubing.

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Copyright © WOODLEY EQUIPMENT COMPANY LTD.
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⚫Status monitoring module:
Consists of the optocoupler and sensor.
2.2.1 Schematic Diagram of the Hydraulic System
Figure 2-7 Schematic diagram of the hydraulic system
V5 LY1
V5 DIL
Dispensing
WBC/BASO
measurement module
V5 DIL
Diluted sample
RBC/PLT Measurement
module
Diluted sample
Whole-blood CBC+DIFF
Mode Sampling
DIFF measurement
module
V5 LY2
V5 DIL

2 Instrument Configuration
Copyright © WOODLEY EQUIPMENT COMPANY LTD.
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2.2.2 Hydraulics Diagram for the Overall Unit
Figure 2-8 Hydraulics diagram for the overall unit
RBC
WBC
LV3
LV2
LV1
LV4
LV5
LV7
LV9
LV11
LV12
LV15
LV17
LV18
LV6 LV19
SE Sampling
Syringe
Lyse Syringe
250ul 10ml 2.5ml 10ml 2.5ml
J13
T70
T29
T29
T29
J11
J12
T70
T70
T20 T134
T9
J6
J7
J6
J6
J6
J6
J6
T29
J6
J2
T29
T29
T29
T29
T29
J6
J6
T70
Check
valve
T72T72
J5
J5 T72
J5
J2
T80 T80
T29 T29
T70
T80
T10 T10
T70
T48
T80
T48
T29
J3
J4
T11
T11
T14
J9
P1
T70 T67
T67
T70
One-way
valve
Air Filter
DIFF I
LH
DILU
LH
T237
V5 LY2
T115
T70
V5 LY1
T13
T70
DIFF I
T214
V5 DIL
T15
T14
J1
T70
J3
P2
T80
T29
T70
J3
T80
T80
T80
T80
J3
T70
T171
J4
T29
T69 T28
T211
J3T80 T80
T168
T29
T164
T197
T165
T80
T29
J3 T29
T29
J8 T105
LV16
LV8
J8
J2 J2
T5
T65 T58 T65
T52
T52
T51
T204
T169
T33
T42
T158
T238
T40
T80
T21
T156
T240
T242
T65
T236
T150
T152
T162
T66
T83
T197
T59
T214
T221
T210
T210
T70
T70
T70
T70
T72 T72
T72
T171
T168
T177
T197
T186
T195
T72 T72
T80
T80
T80
T80
T176
T70
250ul
T80 J3 T80 J3
Negative-
pressure
Sensor
Positive-pressure Sensor
Dual Pipe
LV14 LV13
LV10
LV20
LV21
T29
T19
T29
T29
T29
J3 T80
T195
J10T80
T80
T65
J2
J2
T197
J10
T73
T39
T82
T87
T67 T67
T80
T89
J10
T171
T38
T239
T171
T170
T177
T199
J10
J10
T170
T57
T105
T241
J6
J2
T70
J10
T80
J6
2
312:COM
1:NC
3:NO
Three-way valve Tow-way valve
2
1
Note:LV-liquid value;P-pump;T-pipe;J-connector
Name Quantity Note
Valve
Pump
Syring
21
6
22:IN
1:OUT
J3
T43
T26
T65
2.2.3 DIFF/WBC Measurement Channel
2.2.3.1 Channel Principles and a Description of Their Functions
⚫Measurement principles: Flow cytometry and scattering emission of the semiconductor laser
⚫Measurement parameters: WBC, Mon#, Mon%, Lym#, Lym%, Neu#, Neu%, Eos#, Eos%, Bas#,
Bas%
⚫Graph information: DIFF 2D scattergram and BASO 2D scattergram.
⚫Reagents for use
➢V5 LY1 Lyse: Lyses the RBC and combines with haemoglobin.
➢V5 LY2: Lyses the RBCs and specifically treats different types of WBCs.
➢V5 DIL Diluent: This diluting and cleaning agent can provide an electrically conductive
environment and process cells and so on in bulk.
⚫Function description
➢DIFF parameters measurement
The diluted sample is mixed well for a full reaction with V5 LY2 Lyse in the WBC bath. Then
the sample is placed between the flow chamber inlet and the sampling syringe; meanwhile,
the sheath flow is activated and kept steady so that it can hold the sample in motion until it

2 Instrument Configuration
Copyright © WOODLEY EQUIPMENT COMPANY LTD.
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reaches the measurement section of the flow chamber. The sampling syringe, at a constant
speed and within a certain period of time, pushes the sample fluid wrapped in the sheath flow
so that it travels steadily through the flow chamber for optical measurement.
➢WBC parameters measurement
After the first section sheath flow is measured, add the quantitative V5 LY1 Lyse into WBC
reaction bath to make it react fully. After that, place the sample between the inlet of the flow
chamber and sampling syringe, and open the sheath flow and make it stable, then the sheath
flow wrapping the sample reaches the measurement section of the flow chamber. The
sampling syringe, at a constant speed and within a certain period of time, pushes the sample
fluid wrapped in the sheath flow so that it travels steadily through the flow chamber for optical
measurement.
The measurement channels are cleaned after measurement to restore them to their
pre-measurement status.
2.2.3.2 Measurement Process
The measurement process for the DIFF measurement module is as follows:
1. Dosing: The diluent syringe is first applied to add the diluent into the WBC bath, and then the
sample probe is used to add the blood sample into the WBC bath, where they are mixed with V5
LY2 evenly for incubation.
2. Mixing: Open Valve LV19 to generate air bubbles through the intermittent valve opening to mix
the sample well.
3. Measurement: Aspirate the incubated sample from the WBC bath using the sampling syringe,
then close LV12, and open LV01 and LV05, so that the sheath flow syringe can push the sheath
fluid into the flow chamber to form a stable sheath flow. Then push the sample into the flow
chamber via the sample injection tube. This is how the sample, wrapped in the sheath flow,
enters the measurement section for measurement.
The measurement process for the WBC measurement module is as follows:
1. Dosing: The diluent syringe is first applied to add the diluent into the WBC bath, and then the
sample probe is used to add the blood sample into the WBC bath, where they are mixed evenly.
After aspirating the diluted sample for the RBC channel measurement, V5 LY1 Lyse is added into
the WBC bath for mixing and incubation.
2. Mixing: Open Valve LV19 to generate air bubbles through the intermittent valve opening to mix
the sample well.
3. Measurement: Aspirate the incubated sample from the WBC bath using the sampling syringe,
then close LV12, and open LV01 and LV05, so that the sheath flow syringe can push the sheath
fluid into the flow chamber to form a stable sheath flow. Then push the sample into the flow
chamber via the sample injection tube. This is how the sample, wrapped in the sheath flow,
enters the measurement section for measurement.
4. Cleaning: To clean, open LV01 and LV07, and add the diluent into the WBC bath using the
dosing syringe.
5. Waste discharge: Waste is discharged by opening Valve LV14, LV15 and Pump P1.

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2.2.4 HGB Measurement Channel
2.2.4.1 Channel Principles and a Description of Their Functions
⚫Measurement principles: Colorimetric method
⚫Measurement parameters: HGB
⚫Reagents for use
➢V5 LY1: Lyses the RBC and combines with haemoglobin.
➢V5 DIL Diluent: This diluting and cleaning agent can provide an electrically conductive
environment and process cells in bulk.
⚫Function description
HGB is measured by colorimetry: Prior to the addition of the blood sample, the baseline voltage
of the diluent is first measured. Then the blood sample and lyse are mixed well for a complete
reaction so that the parameter voltage of the sample can be measured. HGB can then be
calculated based on the local voltage and parameter voltage according to Lambert-Beer's Law.
2.2.4.2 Measurement Process
The measurement process for the HGB measurement module is as follows:
1. Dosing: The diluent syringe is first applied to add the diluent into the WBC bath, and then the
sample probe is used to add the blood sample into the WBC bath, where they are mixed evenly.
After aspirating the diluted sample for the first time, V5 LY1 Lyse is added into the WBC bath for
incubation.
2. Mixing: Open Valve LV19 to generate air bubbles through the intermittent valve opening to mix
the sample well.
3. Measurement: The blood sample and lyse are mixed well for a complete reaction so that the
parameter voltage of the sample can be measured. HGB can then be calculated based on the
local voltage and parameter voltage according to Lambert-Beer's Law.
2.2.5 RBC/PLT Measurement Module
2.2.5.1 Channel Principles and a Description of Their Functions
⚫Measurement principles: Impedance method
⚫Measurement parameters: RBC and PLT
⚫Graph information: RBC histogram and PLT histogram
⚫Reagents for use
V5 DIL Diluent: This diluting and cleaning agent can provide an electrically conductive
environment and process cells and so on in bulk.
⚫Function description
RBC and PLT measurement makes use of the impedance method: After the addition of V5 LY1
Lyse, the red blood cells are dissolved. Through the negative-pressure chamber (with a negative
pressure of -30Kpa), the sample is aspirated out of the WBC bath through the aperture. The
RBC and PLT particles generate electric pulses of various amplitudes when travelling through

2 Instrument Configuration
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the aperture, allowing them to be counted according to the number of pulses emitted.
2.2.5.2 Measurement Process
The measurement process for the RBC/PLT measurement module is as follows:
1. Dosing: The diluent syringe is first applied to add the diluent into the RBC/PLT bath as the base
liquid, before using the sample probe to aspirate the sample diluted for the first time from the
WBC bath into the RBC/PLT bath.
2. Mixing: Open Valve LV16 to generate air bubbles through the intermittent valve opening to mix
the sample well.
3. Measurement: Open Valve LV18 to aspirate the sample out of the RBC/PLT bath through the
aperture by means of the negative-pressure chamber (with a negative pressure of -30Kpa). The
RBC and PLT particles generate electric pulses of various amplitudes when travelling through
the aperture, allowing the RBC and PLT cells to be counted according to the number of pulses
emitted.
4. Cleaning: To clean, open Valve LV02 and add the diluent into the RBC/PLT bath using the diluent
syringe.
5. Waste discharge: Waste is discharged by opening Valve LV13, LV15 and Pump P1.
2.2.6 Sampling and Blood-dispensing Module
This module consists of the sample probe, the sampling syringe, the sampling tube, the swab, the
horizontal motor, and the vertical motor.
This is how the sampling and blood-dispensing module works:
Open LV04 and aspirate the sample from the testing tube using the sampling syringe→Clean the
outer wall of the sample probe→ …until it reaches the WBC bath→Put aside a fixed amount of blood
in the WBC bath→Clean the outer and inner wall of the sample probe→Aspirate out of the WBC bath
a fixed amount of the sample that has been diluted once→Clean the outer wall of the sample probe
and move the sample probe to the RBC bath→Add into the RBC bath the sample that has been
diluted once→Clean the outer wall of the sample probe to complete the entire process of sampling
and blood dispensing.
In summary, this module works by aspirating the sample and dispensing a fixed amount of the
sample into the corresponding reaction baths, while cleaning the inner and outer walls of the sample
probe to prevent cross-contamination.
2.2.7 Power Supply and Waste Discharge Module
⚫Power supply module
By opening LV15 and Pump P1 to establish a negative pressure of -30Kpa, this module provides
propulsion for the counting of the impedance channel.
⚫Waste disposal module
This module consists of the following parts:
➢Discharge of waste resulting from swab cleansing
Pump P1 is opened to discharge any waste resulting from using the swab to clean the
sample probe.
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