General FAQ's
Who am I talking to when I call in?
Where is PK Safety Supply located?
Can I set up an online account?
What are the OSHA requirements for my job?
What are your company hours?
Order FAQ's
General Order FAQ's
Government and Public Institution Purchases
I'm tax exempt, how do I remove tax from my order?
Do you offer promotional discounts?
Where's my order confirmation?
Where's my invoice?
I need a quote.
Returns FAQ's
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Product FAQ's
Confined Space FAQ's
Are you able to do winch repair?
How do I select a gas detection kit for my confined space?
What kind of ventilation is needed for my confined space?
What gas monitor should I get for my confined space?
What kind of gas could be in confined space?
Do I need a pumped monitor for confined space or is diffusion fine?
Do you rent equipment?
Do you have any blowers that are intrinsically safe?
Fall Protection FAQ'S
Is there a maximum weight limit for a harness?
Is there a maximum weight limit for a tripod?
I need a leading edge SRL
I need a price for a ladder system
Flame Resistance (FR) Clothing FAQ's
Gas Detection FAQ's
How do you properly dispose of your gas monitors?
Will my gas monitor come with a factory calibration certificate?
How many bump tests can I get from a cylinder of calibration gas?
What is a confined space?
What’s the difference between a bump test and a calibration?
What gases are included in 4-gas monitors?
How often do I need to calibrate my monitor?
What gas monitor do I need for my application?
Respirator FAQ's
What size respirator do I need?
Do you offer onsite fit testing services?
What filter/cartridge do I need for my respirator mask?
How long do filters last?
I need an N95 mask.
Safety Equipment FAQ's
Do you offer logo services?
Will this earmuff/earplug help with ____?
What kind of mask do I need for mold?
I'm looking for the towelettes with sunscreen on it.
Safety Glove FAQ's
Workwear FAQ's
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- What’s the difference between a bump test and a calibration?
What’s the difference between a bump test and a calibration?
Updated
by Stephanie Sousa
A bump test is a quick check to make sure that the monitor’s sensors react to gas. A calibration is a slightly longer test that makes sure the monitor’s sensors are checking the accuracy of the sensor readings.
