Myron L ULTRAPEN PT5 Replacement Instructions

ULTRAPEN™ PT5/PTBT5 SENSOR REPLACEMENT INSTRUCTIONS
NOTE: Please read these instructions thoroughly and carefully — Damage caused by improper installation or mishandling will void
the warranties of the instrument and the new sensor.
CAUTION: Moisture trapped in instrument will cause damage to the electronic circuitry. Careful adherence to the following
procedure will significantly reduce the potential for failure due to moisture contamination or damaged connectors.
CAUTION: AVOID TOUCHING AND/OR CONTAMINATING THE ULTRAPEN ELECTRONICS OR SENSOR CONNECTOR/
CIRCUITRY AT ALL TIMES!
For clarity, this procedure is broken down into three sections.
necessary. All images are of model PT5 for example.
• Always replace the sensor dry and fill with electrolyte after installation.
• Only remove/replace the sensor in a CLEAN and DRY environment.

Preparation of ULTRAPEN

I.
1. Remove the protective/hydration cap from your ULTRAPEN by wiggling it side to side while gently pulling it off the
ULTRAPEN.
2. Remove the membrane cap assembly by turning it in a counter-clockwise direction.
3. Empty the electrolyte well of ALL electrolyte solution.
4. Rinse the sensor end and surrounding area with clean water (preferably DI, RO, or distilled) and dry thoroughly.
5. Ensure hands are clean and dry. Moisture will damage the electronics.
6. Unscrew the battery cap and remove the battery tray. (There is a pressure relief tube running from the battery
compartment to the sensor compartment, which allows pressure equalization in the sensor area.)
7. Grasp the sensor body and gently pull the sensor out of the ULTRAPEN.
8. Carefully clean off any residual salt or liquid around the opening of the ULTRAPEN's sensor compartment using a
towel. Caution: Do NOT contaminate the inside of the ULTRAPEN.
Follow each section carefully to avoid damage. Refer to images as
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