Ranger Fluid Warming Systems
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Model 245 Blood/Fluid Warming System
Preventative Maintenance Checklist
The operating temperature and alarms should be tested
at least every 6 months or according to institutional protocol.
Operating temperature:
______°C
(Specification = 41°C±1)
Over-temperature alarm points:
______°C
(Specification = 43°C±1 and 46°C [44-49°C])
______°C
Test Setup
caution
Temperature adjustments cannot be made to the Ranger warming unit. If the test shows the temperature
is out of specification, please call Arizant Healthcare Inc. Technical Support at 1-800-733-7775.
TOOLS AND EQUIPMENT
• Thermocouple: 0.005" lead or smaller
• Calibrated thermocouple temperature monitor
• Aluminum tape
• Ranger standard flow warming set
• Phillips screwdriver
• Saline/water
Fig. 1: Ranger standard fluid warming cassette
