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How to Choose Laboratory Instruments: A Complete Buyer Guide from a China Supplier
Choose laboratory instruments by following your sample workflow, not by browsing a catalog. Map every step from sample preparation to final measurement, then select each instrument by capacity, precision, control type, and service support. A general laboratory usually starts with six core instrument types: a centrifuge, a mixer or stirrer, a heating unit, a balance, a pH meter, and a photometer. A China Laboratory Instruments Supplier that also works as a China Laboratory Instruments Factory can supply the full set and adapt it to your market.
Content
- 1 What Counts as Laboratory Instruments
- 2 How to Choose Laboratory Instruments in Five Steps
- 3 Qiujing Laboratory Instrument Series
- 3.1 Qiujing Serene Series Bentchtop Micro High-Speed Refrigerated Centrifuge 2-165LT
- 3.2 Qiujing Top Magic Series Four Channel Heated/Unheated Magnetic Stirrer TOP4/TOP4H
- 3.3 Qiujing Electric Cantilever Mixer QJ-EM-60/120/200/60SH 120SH/200SH
- 3.4 Qiujing Multi-Point Stirring Water Bath HW-S-1P/2P/4P/6P/8P
- 3.5 Qiujing Flying Series Small Flying Saucer Vortex Mixer UF42
- 3.6 Qiujing Precise Series Balance 0.0001g/0.001g
- 3.7 Qiujing Pure Series Dry Bath Unit H-100
- 3.8 Qiujing Manual 4NM/5NM Ultraviolet Visible Spectrophotometer UV752/UV752N
- 3.9 Qiujing LED Screen Wireless Printing Bentchtop PH Meter P901
- 3.10 Qiujing LCD Adjustable Temperature and Time Intelligent Digester YKJ-16
- 3.11 Qiujing High Efficiency Visual Data Automatic Cell Counter QJ-cell
- 4 Sample Separation: Choosing a Centrifuge
- 5 Mixing and Stirring: Three Series, Three Jobs
- 6 Temperature Control: Water Bath or Metal Bath
- 7 Measurement and Analysis Instruments
- 8 Range Depth by Series
- 9 How an OEM/ODM Laboratory Instrument Project Works
- 10 Supplier Checklist Before You Order
- 11 Frequently Asked Topics
- 12 Build Your Laboratory with One Reliable Partner
What Counts as Laboratory Instruments
Laboratory instruments are the working devices behind sample preparation, separation, mixing, heating, weighing, and measurement. Buyers often search for lab equipment by function, so the Qiujing range is grouped into 11 series. Select a series to see its models.
How to Choose Laboratory Instruments in Five Steps
Step 1: Map the Workflow
List every action from sample receipt to final data. A molecular biology bench typically needs a centrifuge, a vortex mixer, a dry bath, and a set of pipettes before anything else. If you also need liquid handling, read our pipetting equipment buyer guide.
Step 2: Match Capacity and Precision
Balances in the range offer readability from 0.1 g down to 0.0001 g, a 1,000 fold difference in resolution. Bulk reagent preparation rarely needs the finest setting, while analytical weighing cannot work without it.
Step 3: Choose the Control Level
Dial control is enough for routine stirring. LCD or touch screen control suits protocols that must repeat exactly. The QJ-EM electric cantilever mixer, for example, offers six segment program control.
Step 4: Check Safety and Durability
Look for brushless motors, protection against dust and splashes, and stable heating control. The Top380 magnetic stirrer uses a DC brushless motor, and the PHS-3C bench top pH meter carries an IP54 dust and splash rating.
Step 5: Verify Documentation and Support
Ask for CE and ISO 13485 certificates, manuals in your working language, and a clear spare part plan. You can review certificates on the certification page.
Qiujing Laboratory Instrument Series
One representative model from each of the 11 instrument series. Select a card to open the product page, then use the category links above to see every model in the series.
Swipe or scroll sideways to browse all 11 series
Laboratory Centrifuge Series
Laboratory Magnetic Stirrer Series
Laboratory Electric mixer Series
Laboratory Water Baths Series
Laboratory Mixer Series
Laboratory Balance Series
Laboratory Metal bath Series
Laboratory Photometer Series
Laboratory pH Meter Series
Laboratory preparation instruments
Analytical Instruments SeriesSample Separation: Choosing a Centrifuge
A reliable Laboratory Centrifuge Manufacturer should cover more than one speed class. Qiujing lists seven models, from the mini Whirlwind and Cyclone units to bench top refrigerated micro high speed models such as the 2-165LT and 3-165LT, which serve work like plasmid extraction. The 2-4B low speed model reaches 4000 rpm for routine tube spinning.
As a Laboratory Centrifuge Factory with its own production line, the company can adjust rotor sets and control panels. OEM/ODM Laboratory Centrifuge projects can also carry a distributor logo, packaging, and manual.
Mixing and Stirring: Three Series, Three Jobs
Mixing looks simple, yet the wrong device causes foaming, splashing, or uneven reactions. The range separates the work into three series.
Magnetic Stirrers
Four models include the Top Magic TOP1 single channel, TOP4 four channel, Top380, and the Mini Star. Heated and unheated versions are available, with LCD speed and time settings. A Laboratory Magnetic Stirrer Manufacturer and Laboratory Magnetic Stirrer Factory like Qiujing can also support OEM/ODM Laboratory Magnetic Stirrer orders.
Electric Mixers
Two cantilever models serve larger volumes, including the QJ-EM-150FR with intelligent chip control. As a Laboratory Electric mixer Manufacturer and Laboratory Electric mixer Factory, the company can tune stirring ranges for OEM/ODM Laboratory Electric mixer projects.
Shakers and Vortex Mixers
Seven models cover vortex, oscillating, roller, rotary, rocking, and circular motion. The UF42 vortex mixer spins 40 ml of liquid in 5 seconds. Our Laboratory Mixer Manufacturer and Laboratory Mixer Factory teams also handle OEM/ODM Laboratory Mixer requests.
Temperature Control: Water Bath or Metal Bath
The direct answer is that water baths suit large vessels and flasks, while metal baths suit microtubes and plates. Metal baths also remove the need to refill and clean water.
| Factor | Water Bath | Metal Bath |
|---|---|---|
| Models in range | 3 models, from WB-2 and WB-5 to multi-point HW-S | 7 models, from dry bath to microplate oscillators |
| Heating medium | Water | Metal block |
| Best for | Flasks, bottles, reagent warming | Microtubes, plates, enzyme reactions |
| Extra functions | Multi-point stirring, 1 to 8 positions | Cooling plate, mixing, 6 module plate shaking |
A Laboratory Water Baths Manufacturer should confirm temperature uniformity and tank material, while a Laboratory Metal bath Manufacturer should offer interchangeable blocks. Both categories run through factory level testing at a Laboratory Water Baths Factory and a Laboratory Metal bath Factory, and OEM/ODM Laboratory Water Baths or OEM/ODM Laboratory Metal bath orders can adjust size, panel language, and block sets.
Measurement and Analysis Instruments
Measurement instruments decide whether your data can be trusted, so they deserve the closest review.
Three series cover 0.1 g, 0.01 g, 0.001 g, and 0.0001 g readability, and the Accura series adds a color touch screen. A Laboratory Balance Manufacturer and Laboratory Balance Factory can support OEM/ODM Laboratory Balance projects with custom labels and calibration notes.
Five models range from visible spectrophotometers to double beam UV models and the QJ-Nano-800 ultra micro unit. The UV752 sample room accepts cuvettes from 5 to 100 mm. Choose a Laboratory Photometer Manufacturer that publishes bandwidth data. As a Laboratory Photometer Factory, Qiujing also accepts OEM/ODM Laboratory Photometer projects.
The P901 pairs an LED screen with wireless printing and built-in storage, while the PHS-3C adds IP54 protection. A Laboratory pH Meter Manufacturer and Laboratory pH Meter Factory can adapt interfaces through OEM/ODM Laboratory pH Meter orders.
The YKJ-16 intelligent digester uses a color LCD with adjustable temperature and time. As a Laboratory preparation instruments Manufacturer and Laboratory preparation instruments Factory, Qiujing supports OEM/ODM Laboratory preparation instruments requests.
This series includes the QJ-MR-60 touch screen ELISA analyzer for food safety and environmental monitoring, the QJ-cell automatic cell counter, and the P902 conductivity meter. An Analytical Instruments Manufacturer or Analytical Instruments Factory should provide software and method support. OEM/ODM Analytical Instruments projects are available on request.
How an OEM/ODM Laboratory Instrument Project Works
Distributors and instrument brands often need their own name, panel language, or configuration. A China Laboratory Instruments Factory that controls tooling and assembly can run these projects in four stages.
Brief
Share the target model, volume plan, and market rules.
Sample
Approve a sample with your logo, panel text, and manual.
Production
Batch assembly with unit level testing and records.
Delivery
Packing, shipping documents, and after sales support.
Supplier Checklist Before You Order
Look For
Verifiable CE and ISO 13485 certificates.
Several models inside each series, not a single product.
In house production and testing.
Clear OEM/ODM process with sample approval.
Be Careful With
Specifications that give no readability, bandwidth, or speed data.
Traders who cannot name the factory.
No spare part or manual plan.
Mixed claims without documents.
Buyer Note: A China Laboratory Instruments Supplier that also lists pipetting equipment and laboratory consumables lets you consolidate one order across the whole bench.
Frequently Asked Topics
How many instrument series does Qiujing offer
The laboratory instruments category contains 11 series and 44 models, covering centrifuges, stirrers, mixers, baths, balances, photometers, pH meters, preparation instruments, and analytical instruments.
What does an OEM/ODM project need from the buyer
Prepare logo files, target specifications, language needs for panels and manuals, and an expected order plan. The sales team will confirm what can be adjusted for each series.
Which quality certificates are available
The company holds CE and ISO 13485 quality system certifications, and certificate images are available on the certification page.
Can different series be combined in one order
Mixed orders across series can be discussed with the sales team, which helps buyers who equip a full bench at once.
Build Your Laboratory with One Reliable Partner
The right instruments are the ones that match your workflow, precision needs, and support expectations. Shanghai Qiujing Biochemical Reagent and Instrument Co., Ltd. has worked in the laboratory instrument field since 1988, with 35 years of experience and a 3,000 square meter factory. Review the full laboratory instruments range or send your requirement to our engineers today.
Contact Our Sales Team
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+86-021-62403896 -
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roger@shqiujing.com.cn -
Building 4, Lane 455, Zhuting Road, Yexie Town, Songjiang District, Shanghai, China
Copyright © Shanghai Qiujing Biochemical Reagent & Instrument Co., Ltd. All Rights Reserved. OEM/ODM Laboratory Equipment Manufacturer Laboratory Instruments Factory
