SOP for Multi-Stem Thermometer with external sensing probe

Learn about Standard operating procedures for Multi-Stem thermometers with external sensing probes.

Purpose: To lay down procedure for Cleaning & Operating of Multi-Stem Thermometer with external sensing probe.

Scope: This procedure is applicable for Multi-Stem Thermometers with external sensing probes used in the company.

Responsibility:

• Write Your Department Head responsible.
• Write Your Quality Assurance responsible.
• Laboratory personnel are responsible for (Eg. operating machine according to this procedure and to inform department head of any breakdown in Multi-Stem Thermometer).
• Laboratory personnel responsible for (Eg. preparation of Multi- Stem Thermometer related records).
• Mention Maintenance Head responsible.

Accountability:

• Quality Manager

Procedure:

• Instrument ID No.: XYZ
• Instrument Specification: XYZ
• Measurement Range: -50°C to +300°C (-58°F to 572°F).
• Resolution: 0.1°C (0.2°F)
• Accuracy: ±°C in the range of -50°C to +200°C and above which more than 2°C,
  ±2°F in the range of -22°F to 302°F and above which more than ±4°F
• Battery: 1.5V AAAx1
• Storage Environment: Temperature as from -10°C to 50°C (14°F to 122°F)
• Humidity: <80%.

Cleaning:

• Clean the external surface of the Timer with the help of a lint-free dry cloth

Operation of Instrument:

Operation:

• Press the “ON/OFF” key to “ON” position. All the functions will show on the display, then thermometer is ready to use.
• Unwind the sensor cord, then penetrate the stainless steel probe into test material about 25 mm (1″) to get the reading.
• Press the “C°/F°” key to switch from centigrade to Fahrenheit reading.
• Data Hold & MAX/MIN Memory: Press “HOLD, MAX/MIN” key. “H” will be displayed. The last reading will be retained.
• Press the “HOLD, MAX/MIN” key again. “MAX’ will be displayed & maximum reading will show.
• Press the “HOLD, MAXIMIN” key again. “MIN” will be displayed and minimum reading will show.
• Press the “HOLD, MAX/MIN” key again to return to normal display

Alarm setting:

• Press “HI SET” key, and “h” will display. Press “ALUP” key to ON/OFF Alarm function.
• Press “HI SET” key, hold it for 2 seconds and the number will flash.
• Then Press “ALUP” key to set desired Alarm value.
• After setting up press “HI SET” key.
• Press “ON/OFF” key to exit.
• Press “LO SET” key, and “LO” will display.
• Press “ALUP” key to ON/OFF alarm function.
• Press “lo set” key, hold it for 2 seconds and the number will flash.
• Press “ALUP” key to set the desired alarm value.
• After setting up press the “LO SET” key.
• Press “ON/OFF” key to exit.
• Thermometer alarm can be set from -40°C to 300°C (-104°F -572°F).

Precautions:

• Do not put a thermometer inside any oven or microwave.
• Remove battery if the meter will not be used for a long time

Maintenance:

• Follow the instructions laid down in instrument manual supplied by the manufacturer.

Calibration:

• Calibration shall be performed once in year until unless any major changes in
  instrument that may impact instrument functionality.

Records:

• Calibration record

Distribution:

• Master copy
• QA Head
• QC Head

Abbreviation:

• SOP: Standard Operating Procedure
• QA: Quality Assurance
• QC: Quality Control

Revision History:

New introduction	Revision no	Issue No.	Effective date	Next review due date