This document is the Operator's Manual for the Level 1® TEMP CHECK Thermometer, model number DSTA-40, manufactured by Smiths Medical. It is designed for use with Level 1® H-1200, H-1000, and H-1100 Fast Flow Fluid Warmers.
Function Description
The Level 1® DSTA-40 TEMP CHECK Thermometer is designed for Biomedical Engineers and Technicians to verify the recirculating solution temperature of the Level 1® H-1200 Fast Flow Fluid Warmer. This verification is crucial for ensuring the accurate and safe operation of the fluid warmer, which is used to warm fluids for patient use. The thermometer measures the temperature of the recirculating solution within the fluid warmer, allowing technicians to confirm that it is operating within the specified temperature range. The manual outlines the process for setting up the thermometer, checking ambient temperature, installing it into the H-1200 Fluid Warmer, verifying the recirculating solution temperature, and calibrating the recirculating solution temperature. It also includes steps for adjusting the H-1200 Fluid Warmer display and verifying the over temperature alarm activation point. The TEMP CHECK is a NIST-traceable temperature standard thermometer, ensuring high accuracy and reliability.
Important Technical Specifications
The thermometer displays temperature in Celsius (°C). The manual emphasizes that the TEMP CHECK Thermometer is designed for measuring recirculating solution only and is NOT intended for measuring ambient temperatures.
Usage Features
The manual provides detailed "Instructions For Use" covering temperature verification and calibration.
- Required Tools: To perform the procedures, users will need the TEMP CHECK thermometer, clear plastic tube, clear plastic tube with white sleeve, Gas Vent/Filter Assembly, #3 Phillips head screwdriver, and a 3.175 mm (1/8 inch) flat head screwdriver.
- Ambient Temperature Check: Before proceeding, the ambient room temperature must be checked and adjusted to 22°C ±2°C. This is crucial for accurate calibration.
- Assembly and Installation: The clear plastic tube is inserted into the bottom fitting of the TEMP CHECK, and the longer end of the plastic tube with the white sleeve is inserted into the top. The TEMP CHECK is then installed into the H-1200 Fluid Warmer by placing the bottom tube into socket #1 and pressing the top tube into the middle interlock and close socket #2. The TEMP CHECK power cord is plugged into the auxiliary outlet on the bottom of the H-1200 Fluid Warmer, and the Gas Vent/Filter Assembly is inserted into socket #3.
- Verification of Recirculating Solution Temperature: The H-1200 Fluid Warmer is turned ON, and the system is allowed to stabilize. The TEMP CHECK display indicates the temperature, which should be between 41°C and 42°C. If the display does not indicate this range, the recirculating solution temperature must be adjusted.
- Calibration of Recirculating Solution Temperature: This involves adjusting the TEMP (R9) potentiometer on the printed circuit board of the H-1200 Fluid Warmer using a 3.175 mm (1/8 inch) flat head screwdriver. The goal is to achieve a temperature of 41.7 °C ±0.2°C. Adjustments should be made in minimum increments, allowing a minimum of 5 minutes between adjustments.
- Adjusting the H-1200 Fluid Warmer Display: This involves locating the DISPLAY (R88) potentiometer on the printed circuit board and adjusting it to match the TEMP CHECK display.
- Verification of Over Temperature Alarm Activation Point: This step ensures the H-1200 Fluid Warmer's over temperature alarm activates correctly. The Over Temperature Test button is pressed and held, and the H-1200 Fluid Warmer Over Temperature Alarm should activate. The H-1200 Fluid Warmer display should indicate a temperature between 45.0°C and 45.4°C when the Over Temperature Test button is depressed. The green Operating LED should go out, the red Over Temperature LED should light, and audible alarms should sound. The water will stop circulating.
- Calibration of Over Temperature Alarm Activation Point: If the alarm does not activate correctly, the DISPLAY (R88) potentiometer is adjusted until the H-1200 Fluid Warmer display reads 43.9°C. The alarm is then turned OFF and ON, and the OT (R59) potentiometer is turned ¼ turn counterclockwise. The DISPLAY (R88) potentiometer is then adjusted until the Over Temperature Alarm activates at 43.9°C.
Maintenance Features
- Service and Repair: All service must be performed by Smiths Medical or an authorized service representative. Any other person or organization voids the warranty and transfers liability for malfunctions.
- Warranty Service: Devices that have not been obviously abused or impact damaged and are still under warranty will be promptly repaired and returned at no charge. A no-charge purchase order is requested for tracking.
- Non-Warranty Work: Devices that have suffered obvious abuse or impact damage and devices no longer under warranty will be promptly inspected, and a verbal estimate of repair cost will be provided. A purchase order will be required from the hospital.
- Calibration Service: Smiths Medical provides a calibration service for the TEMP CHECK. It is recommended that the TEMP CHECK be returned to Smiths Medical or an authorized service representative every twelve months for calibration. Contact the Smiths Medical Technical Service Department or an authorized service representative before shipping any equipment for calibration or repair to obtain a Return Material Authorization (RMA) and pricing information.
- Limited Warranty: Smiths Medical ASD, Inc. warrants that the TEMP CHECK (Thermometer), not including accessories, shall be free from defects in materials and workmanship under normal use, if used in accordance with this Operator's Manual, for a period of one year from the actual date of sale to the Original Purchaser. This warranty does not cover normal wear and tear, maintenance items, or specifically excludes hoses, warming blankets, roll stands, or any other accessory items or equipment used with the TEMP CHECK.
- Disposal Information: The TEMP CHECK contains lead that is used in solder of electric assembly. When ready to dispose of the device, observe federal, state, and local codes or requirements for disposal of hazardous materials and for recycling of solid waste materials that may impact the environment.
- Safety Precautions: The manual includes warnings and cautions. Warnings indicate potential for death or serious injury to the patient, while cautions indicate potential for improper results, damage to the equipment, injury to personnel, or patient death. Exercise extreme caution when the rear panel is removed and line voltage is exposed. Avoid contact with any internal components not specified in this procedure. Support the H-1200 Fluid Warmer while the back is removed.
- Unpacking Checklist: The manual provides a checklist of all items that should be received with the TEMP CHECK: Black carrying case, TEMP CHECK, clear plastic tube, clear plastic tube with white sleeve, Gas Vent Tube, Operator's Manual, Certificate of Calibration, and O-Ring kit.
- Revision Date: A revision date for these instructions is included for the user's information. If two years elapse between the date and product use, the user should contact Smiths Medical or its authorized agent to see if additional product information is available.
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