I've been in growth long enough to know that cold outreach for demand validation is a minefield. Your email reads more like a research request than a product conversation - and that's the core issue. Nobody at a small-to-medium industrial diagnostics firm has time to answer four detailed questions for a stranger, especially about budgets and tools. They smell "pitch" even when you say you're not selling.
Here's what I'd change, based on what's worked for me when validating B2B software:
Flip the framing. Don't ask for data. Ask for a 10-minute chat about their biggest pain point in monitoring. Frame it as "I'm building a tool for teams like yours and want to make sure I'm not wasting your time." People love telling you what sucks about their current workflow.
Target the right person. Maintenance managers and reliability engineers are too busy. Find the person who blogs about vibration analysis or posts in LinkedIn groups about predictive maintenance. Their vanity will get you 15 minutes.
Offer value upfront. Instead of an NDA (which scares small teams), offer a summary of your market research findings after the call, or a free trial of a basic version once you have one. Reciprocity works.
Use LinkedIn, not just email. Connect, engage with their posts for a week, then send a personalised message referencing something they shared. 10 cold emails is nothing - you need 50-100 touches across channels.
Build a landing page with a waitlist, then run cheap ads. Use Google Ads (long-tail keywords like "motion magnification industrial diagnostics") or LinkedIn ads targeting job titles. Measure click-through to waitlist. If you get 10 signups from £200 spend, you have real demand.
Your tech sounds promising, but the validation strategy needs a pivot. Stop researching - start selling the problem, not the solution. And for the love of God, kill the NDA offer until someone asks for it.