Generator vs Cylinder
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Resource ID
2655
Access
Open
Contributed by
David Lai
Updated date
26 July 18
Title
Generator vs Cylinder
Keywords
Gas cylinder, generator, vs, genius xe, xe, why, cylinder, nitrogen, ROI, cost, comparison, return, investment, N2
Product Range
*None
Language
UK English
Company Brand
Peak Scientific
Extracted text
What is the cost
of nitrogen gas?
Your local gas generation partner
A nitrogen cylinder delivery contract may seem like the easiest way to manage your laboratory budget, however, the
purchase of a nitrogen gas generator is a more cost-effective way to secure ongoing nitrogen gas supply. While the
initial outlay for cylinders is low, contracts are often subject to regular price increases, as well as hidden costs such
as regulator maintenance, delivery, fuel and cylinder & pallet rental charges, which can soon add up. A gas generator
offers a more economical solution, typically offering savings versus cylinder supply, within the first year of ownership.
One LC-MS instrument running 8 hours a day, 5 days a week that requires 32 L/min of nitrogen will consume around
4 million liters of nitrogen per year, that is equivalent to approximately 450 cylinders of nitrogen. The table below is a
break down the costs associated with ordering 450 cylinders:
Typical 3 year cylinder supply costs for one LC-MS
Cost of gas ($45 per cylinder)
Cost of cylinder rental
($50/month)
Delivery cost ($30 per
delivery of 5 cylinders)
Year 1
Year 2
Year 3
Total
$20,250
$20,250
$20,250
$60,750
$600
$600
$600
$1,800
$2,700
$2,700
$2,700
$8,100
Total spend
over 3 years
$70,650
Compare this with the cost of purchasing Peak Scientific’s Genius XE 35 standalone nitrogen generator where you can save 51%
over 3 years, and even more if your lab has more than one LC-MS.
Typical 3 year Genius XE 35 generator supply costs for one LC-MS
Year 1
Year 2
Year 3
Total
Generator and Installation
$21,904
$0
$0
$21,904
Complete Maintenance Plan
Warranty period
$5,450
$5,450
$10,900
Power Consumption (8h per
day @ 1.1 kWh for 365 days)
$550
$550
$550
$1,650
Total spend
over 3 years
$34,454
3 year cost of ownership comparison: N2 cylinder vs N2 generator
N2 cylinder
$30,000
$25,000
$20,000
$15,000
$10,000
$5,000
$0
Year 1
Year 2
Genius XE 35 N2
gas generator
Year 3
Why a gas generator?
Gas Generator
24/7 gas production ensures you’re
never left without gas
On-demand production
Convenient
Single annual maintenance required
Cylinder
Gas consumption has to be actively
monitored so you don’t run out of gas
Cylinders need to be regularly replaced
Difficult to install cylinders
Cylinders take up large amounts of space
Consistent purity, flow rate and
Inconsistent purity between cylinders
pressure
Purity lower at the end of a cylinder
Consistent
On-going delivery and rental cost
Economic
Quick return on investment
Cylinder prices continue to increase on an
Low ongoing costs
annual or even bi-annual basis
Minimal downtime
Instrument downtime during cylinder
(limited only to one annual maintenance)
changeover
Labs must rent cylinders and buy gas
High pressure and large volume tanks
Safe
Minimal gas storage volume
Health and safety risks during
Low pressure storage
transportation and handling of cylinders
Gas on demand - zero waste
High volume of compressed gas means high
potential for undetected leaks in pipework
High energy requirements for
Green
No deliveries and collections of cylinders
compression and purification of gas
energy efficient
Cylinders must be transported and
Reduced carbon footprint
replaced
End of cylinder not used - wastage
Comprehensive on-site warranty and
service contracts
Performed by dedicated Peak field service
Protected
engineers using genuine Peak parts.
Frequent maintenance required and
not covered by a maintenance contract
causing unplanned irregular costs
Contact us today to discover more!
Web: www.peakscientific.com/nitrogen-gas-costs Email: discover@peakscientific.com
Copyright © Peak Scientific Instruments Ltd 2018 — Generator vs Cylinder flyer | Rev 1 | RSID 2655 | EN —17/08/2018
www.peakscientific.com/nitrogen-gas-costs