General Tools and Instruments HT50 v.2 - Manual (Page 2)

HT50 USB 温湿度仪中文说明书 V1.1
HT50 USB Humidity and Temperature Data Logger Manual V1.1
2 7/26/2012
A．IRT sensor window
B．Laser pointer
C．Battery compartment
D．Function buttons
E．USB protection cap
F．LCD
G．Humidity and temperature sensor window
Display Illustration
▲ : Indicates the reading is beyond the (temperature, humidity or IRT reading’s) upper limit that
set by the user
▼ : Indicates the reading is beyond the (temperature, humidity or IRT reading’s) lower limit that
set by the user
: reading display area
IRT: Indicates the device is in IRT mode
: Indicates the IRT reading is being hold; After the IRT button is released, reading will be