Typically, glass thermometers used in laboratories should be calibrated at least annually or more frequently if used in regulated environments or exposed to significant thermal/mechanical stress. Follow your laboratory's quality control or ISO/GLP guidelines.

Fisher Scientific 14-990B Calibration Service
Why Fisher Scientific 14-990B Owners Go Rogue for Calibration Sourcing
The Fisher Scientific 14-990B Glass Thermometer is a workhorse tool — widely used, well understood, and absolutely critical when accuracy matters.
Finding the right calibration provider shouldn’t slow you down. Instead of searching lab directories or settling for the first option you find, Rogue Calibration does the heavy lifting for you, connecting you with qualified providers that meet your technical and quality requirement for Fisher Scientific 14-990B calibration.
✓ Fair, competitive pricing
✓ Providers that actually know Fisher Scientific products
✓ Clear turnaround times
✓ Traceable calibration options
✓ Transparency before you commit
Rogue Calibration makes that happen by letting the market do what it does best.
Our partners provide traceable electrical calibration services to help ensure measurement accuracy, compliance, and continued usability of your equipment.
Quick Overview
- What it is: Laboratory glass thermometer, partial immersion, non-mercury filled
- Typical use: General laboratory temperature measurements, liquid and solution monitoring
- Status: Discontinued (no longer in production, some stock may remain at resellers)
A Fisher Scientific 14-990B Glass Thermometer doesn’t lie—but it will expose lazy calibration. High‑accuracy measurements demand calibration performed by technicians who understand the 14-990B, the specification limits, and the standards behind them.
Expert calibration verifies performance against traceable references, flags drift before it becomes failure and documents every adjustment. This isn’t box‑checking or sticker‑slapping. Its precision enforced. If your work depends on numbers you can defend, Rogue Calibration helps find the right calibration service provider for you.


Who is Rogue Calibration?
Built for speed, clarity, and real-world use, Rogue brings a modern approach to a process that hasn’t changed in decades. We're about simplicity... because we know this space and we have the tools to solve this problem We're results-obsessed.
We focus on: Clear requests, Connections with trusted providers, Better outcomes for both sides.
www.roguecalibration.com
Request Calibration for Your Fisher Scientific 14-990B Glass Thermometer
If your Fisher Scientific 14-990B calibration is due, get started in minutes.
Submit your request through Rogue Calibration to compare qualified providers, pricing, and turnaround times before you choose.
Request a Calibration Quote Now

Calibration Services for Equipment Owners
Rogue Calibration simplifies calibration sourcing for equipment owners by acting as a single point of entry to a network of qualified calibration service providers. Instead of chasing labs, owners submit one request and receive competitive options for pricing, turnaround, and capability—then choose the provider that fits their needs.
No markups, no lock‑in, just a faster, more transparent way to get critical equipment calibrated.
Product Information
- Manufacturer: Fisher Scientific
- Model Number: 14-990B
- Model Details: Partial immersion glass thermometer suitable for general laboratory temperature measurements, with clear, easy-to-read scale.
- Category: Glass Thermometer
- Calibration Discipline: · Reference·Level Temperature· Temperature Calibration
Calibration — Without the Bureaucracy
Finding calibration for a Fisher Scientific Glass Thermometer usually means:
- Calling multiple labs
- Waiting days for quotes
- Getting “standard” pricing with zero flexibility
- Being pushed toward whoever answers first
Rogue Calibration cuts through all of that.
✓ You submit one request.
✓ We send it out to our network of calibration service providers.
✓ They respond — with real options.
You decide who earns the work.
