Customer Cases
Nitrogen Cabinet O₂ Monitoring: A Tuesday Call, a Friday Delivery
This is a case about lead time. The milestone was the following Tuesday; the existing source answered with a range — out of stock, four weeks, no firm date. Here is exactly what we did, and what we did not do.
- 0–25% vol Oxygen range, electrochemical
- ~500 pcs Units supplied on this order
- 3 days From first call to goods on site
- 3× Repeat orders in the following six months
Background
A semiconductor integrator in East China had a batch of nitrogen cabinets to deliver, each needing on-board oxygen monitoring. The sensor they had designed in was electrochemical, 0-25% vol. Their project milestone fell on the following Tuesday.
The problem: not the four weeks, but the missing date
What the site needed was the ES1-O2-25% — electrochemical oxygen, 0-25% vol, ES1 package — five hundred units, give or take.
Re-speccing was not an option either: a different part meant a new sampling round they did not have time for. You cannot plan a milestone against a range.
What we did
We got the call on Tuesday and put the order in motion the same day. We already had this part available through our channel network, so it shipped straight out from a partner channel rather than waiting on a production slot.
And before it left, the delivery date went into an email — in writing, not a verbal “as soon as possible.” The goods reached the customer on Friday, four days ahead of their milestone.
- No new inventory: the part came out of a partner channel. What makes a three-day ship possible is channel depth, not warehouse size.
- The date before the goods: the delivery date was confirmed in writing before dispatch. Not “we will try” — a date you are willing to be held to.
The result
Delivered on time. The customer installed on schedule and the project went out as planned. That order was around five hundred units; over the following six months they came back three more times.
We stop the claim there. We did not write “we won them the project.” A sensor supplier does not decide who wins a tender, and claiming otherwise is exactly what gives a case study away.
What this means if you buy sensors
The cost of most supply problems is not the unit price. It is that the lead time is a range — and a range cannot be scheduled, cannot be promised to your client, and cannot be planned against.
Frequently asked questions
Do you ship from your own warehouse?
Why could this ship in three days when others quoted four weeks?
What will you commit to, and what will you not?
Sources
Material for this case comes from the actual fulfilment record of the project, with customer type, region and quantity generalised under our anonymisation rules. Model and range data are consistent with EC Sense official product documentation, and the page was reviewed before publication by someone unacquainted with the customer.