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5
USE INSTRUCTIONS AND LIMITATIONS
Important
Before use, each person using this equipment must read and understand these User Instructions. Keep these User Instructions for reference.
General Description
These User Instructions apply to the 3M
™
WIBGET Heat Stress Monitor RSS-214. It is a hand held microprocessor-based Wet Bulb Globe Thermometer designed to
measure certain environmental factors that can contribute to heat stress. An internal microprocessor controls the indication and response to the signals received from the
sensors mounted on top of the unit. When turned on it continuously monitors the ambient air.
The WIBGET monitor is a battery-powered unit utilizing a 9-volt rechargeable nickel metal hydride (NiMH) battery or replaceable 9-volt non-rechargeable alkaline battery. It is
designed to be intrinsically safe when powered by batteries. The WIBGET monitor is CSA certified intrinsically safe for Class I, Div. I, Groups A,B,C,and D Hazardous Locations.
The components of the WIBGET monitor are assembled in a plastic housing 3.75 H x 6.2 W x 1.75 D in. (Fig. 1). Located on the front face of the unit are the display (LCD)
and the FUNCTION and SELECT buttons. On the left side of the unit are the On/Off switch, analog output, and charger jacks. On top of the unit are the sensor connector
pins for the Globe (GT), Dry Bulb (DB), and Wet Bulb (WB) sensors. On the back of the unit is a label containing the intrinsic safety information and serial number.
Fig. 1
FUNCTION
VIEW
OUT WBGT
start
SELECT
MONITOR / log
°C/°F
time base
°F
Function Button
Globe Sensor Dry Bulb Sensor
Wet Bulb Sensor
LCD DisplaySelect Button
ON
OFF
Analog
Output
0-1V
Charger
12vdc