The document describes two thermo-hygrometers, models 103-CTH and 411-CTH, that measure temperature, humidity, and have clock functions. The 103-CTH has a large LCD display, measures temperature from -50 to 70 degrees Celsius, humidity from 10-99% RH, and stores min/max readings. The 411-CTH displays an environment comfort level, measures temperature from -20 to 70 degrees Celsius and humidity from 10-90% RH, and also stores min/max readings and has an alarm clock. Both devices use AAA batteries and provide readings in Fahrenheit and Celsius.

1. Thermo-Hygrometer
103-CTH/411-CTH
Where your Search for Measurement Ends!
103-CTH
Big Display Thermo / Hygrometer with Clock
Iarge 2 line LCD display.
• Temperature Range : -50 C~70°C (-58F~ 158°F)
• Temp. Accuracy : ±0.5°C (0~ 40°C) or ±1%
• Humidity Range : 10% ~ 99% RH
• Humidity Accuracy : ±3% RH (50% ~ 80%) or ±5%
• Battery : AAA 1.5V.
• Time / Temp / Humidity indicate.
• Temp, reading for °F & °C.
• MAX and MIN Temperature and Humidity Memory.
• Calendar with Alarm Clock.
411-CTH
THERMO / HYGROMETER with CLOCK
• Environment Comfort Display : "COMFORT", "WET", "DRY"
• Temperature Range : -20 C~ 70°C (-4°F~158°F)
• Accuracy : ± 1°C (1.8°F)
• Humidity Range : 10% ~ 90%RH
• Humidity Accuracy : +5%
• Battery : AAA 1.5V
• Time / Temp / Humidity indicate
• Temp, reading for °F & °C
• MAX and MIN Temperature and Humidity Memory
• Calendar with Alarm Clock
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