Specifications

HOBO TidbiT MX Temp 400 (MX2203) and Temp 5000 (MX2203) Logger Manual
1-800-LOGGERS 9 www.onsetcomp.com
a. Spread a small dot of silicone-based grease on the O-
ring with your fingers, making sure the entire O-ring
surface is completely covered in grease.
b. Place the O-ring on the cover and clean off any debris.
Make sure the O-ring is fully seated and level in the
groove and not pinched or twisted. This is necessary to
maintain a waterproof seal.
6. Place the cover back on the logger. Make sure the cover is
level as it is placed on the logger case to ensure the battery
terminal maintains its proper position.
Battery Covery Placement Top View
7. While pushing down on the cover, rotate it clockwise until
the edges are aligned. When the cover is properly
positioned, the tab will be aligned with the ridge in the
logger as shown.
8. Place the logger back in the protective boot, making sure
the ridge in the logger case slides into the groove on the
inside of the boot.
Note: MX2203 logger is shown in the example; the groove in
the boot on an MX2204 logger is in a slightly different location.
WARNING: Do not cut open, incinerate, heat above 85°C
(185°F), or recharge the lithium battery. The battery may
explode if the logger is exposed to extreme heat or conditions
that could damage or destroy the battery case. Do not dispose
of the logger or battery in fire. Do not expose the contents of
the battery to water. Dispose of the battery according to local
regulations for lithium batteries.
Cover aligned properly
Place cover
straight down and
level on the back
of the logger
Battery Cover Side View,
Incorrect Assembly
Battery Cover Side View,
Correct Assembly
Make sure this ridge on the logger
slides into this groove on the boot