Rapid thermometer scheme

Specification for rapid temperature measurement

Working voltage: dc2.6v-3.6v

Test range: negative 99.9 ℃ --- positive 199.9 ℃

Test accuracy: 0.1 ℃

Driving type: LED (common cathode), driving capacity of each section ≥ 10mA

Calibration point: 0 ℃ / 100 ℃

Operating temperature: - 10 ℃ --- 75 ℃

Storage temperature: - 55 ℃ - 125 ℃

Working current: less than 100mA

Upper and lower limit alarm: None

Calibration: two point calibration: 0 ℃ and 100 ℃; Times ≤ 300 times (the parameter IC internal power down memory)

Sensor type: electronic PN junction or voltage transmitter. IC built-in amplifier circuit, no external pre op amp.

Extension line resistance: 0-120 Ω (i.e. approximate extension line length < = 110m)

Low voltage detection: one point or two-point detection

Key types: touch, touch and toggle

Working voltage: 3.0V

2402: Yes

Backlight: Yes

Temperature: Yes

Clock: None

Buzzer: Yes