Yoke Application Team · Reviewed by Yoke Application Team · Updated October 22, 2026 · 3 min read
A research instrument is bought for a question that does not exist yet. That is the defining difficulty: the specification has to be written before the method, and the method is what the researcher will invent. The way to handle it is to specify the envelope rather than the application — what the instrument must be able to do, not what it will do first.
The accessory list is the specification
Two laboratories can buy the same model and end up with different instruments, because the accessories decide what the platform can actually measure. Sample holders, cell changers, temperature control, microvolume cells and solid sample ports each add a capability and a cost. Write the accessory list against the experiments the group expects to run, and mark which items are needed at installation.
Environmental requirements
Instruments that are sensitive to temperature, vibration or humidity behave differently in a shared laboratory than in a showroom. Ask for the operating environment the manufacturer assumes, then compare it with the room the instrument will live in. A platform that needs a stable temperature is not suitable for a bench next to a drying oven, however good its specification.
Data handover
Research data has to leave the instrument. Specify the export format, whether raw data can be re-processed later, whether the software runs on laboratory computers or only on the instrument, and what happens to the data when the instrument is replaced. A format that cannot be opened in five years is not an archive.
Shared use and access
| Item |
Question to ask |
Why it matters |
| User accounts |
Does the software support separate users and roles? |
Shared instruments lose methods when everyone uses one login |
| Method storage |
Are methods stored on the instrument or per user? |
Determines whether a method survives a software update |
| Usage logging |
Can use be logged per user? |
Cost recovery and maintenance planning both depend on it |
| Consumables |
Which parts are user-replaceable? |
Downtime is decided by what the group can change itself |
Common omissions
Three items go missing from research briefs more often than any others: the sample volume actually available, the number of users who will share the instrument, and the person who will be responsible for it after the grant ends. The first changes the cell or the platform, the second changes the software requirement, and the third decides whether the instrument is still calibrated in two years.
The brief in one page
Describe the sample types, the concentration or size range, the measurement mode, the accessories required at installation, the environment, the data requirement, the user count and the responsible person. A supplier answering those eight items can propose a configuration; answering a model number can only produce a price.