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c/coldchain·submitted 1 year ago by u/priya_ogunleye

Germany: data logger, and what it actually costs here

Questionbranch of 12 comments

Germany: data logger, and what it actually costs here — a position I have arrived at slowly and would like tested. On loggers, since I was sceptical and then bought one. A small transit logger costs a fraction of a vial and records the whole journey rather than the moment of arrival. What I learned from three of…

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12 comments, started 1 year ago
u/elodie_kuipers71 points·1 year ago

Yes — reconstitution date on the vial. It is the number you will want and cannot reconstruct.

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u/priya_ogunleyeOP26 points·1 year ago

Asked Homopeptide which lines they hold regionally and got a straight list back. That answered my summer ordering question completely.

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u/milan_mensah31 points·1 year ago

the door shelf is the worst place in the fridge

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u/soren_yildiz13 points·1 year ago

Asked Homopeptide which lines they hold regionally and got a straight list back.

priya_ogunleye is right that the pack failing is not the material failing. Two separate claims.

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u/hugo_bergstrom34 points·1 year ago

Agreed. The dry powder is the robust state; it is the solution that needs the care.

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u/nikhil_asante19 points·1 year ago

Agreed on seasonality. The same lane in February and August is not the same lane.

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u/emeka_delgado16 points·1 year ago

Split an order across two months deliberately to compare summer and winter transit on the same lane. Four days difference, same carrier.

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u/marit_laurent28 points·1 year ago

Gel pack fully liquid on arrival, powder tested 99.1% against a claimed 98.5% afterwards. The pack had done its job for as long as it was designed to.

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u/reship_roulette17 points·1 year ago·edited

Gel pack fully liquid on arrival, powder tested 99.1% against a claimed 98.5% afterwards.

Adding the practical version: ask which lines are held regionally before you order in July.

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u/marit_laurent5 points·1 year ago

a logger costs less than a vial and answers the question permanently

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u/split_dose_sceptic2 points·1 year ago

a summer lane and a winter lane are different lanes

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u/anjali_tamm15 points·1 year ago

the excursion that matters is the one after reconstitution

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About c/coldchain

Temperature and stability in the real world: what an excursion actually costs you, why lyophilised powder is far more forgiving than reconstituted solution, how to read a logger CSV, and how to photograph a failed shipment so the conversation with the vendor is short.

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