Product parameters:

• Brand: Poly macro
• Model: L91-1

• Technical Parameters
• Instructions for use
• Supporting software
• Optional accessories

Product Type: L91-1
Measurement parameters: temperature
Type: Built-in
Sensor: Thermistor NTC sensor
Measuring range: -40 ~ 70 ℃
Measurement accuracy: ± 0.5 ℃
Whether the show: Yes
Resolution: 0.1 ℃
Record capacity: 32000 groups (half-hour record time can be a continuous record of about 2 years)
Recording interval: 2 seconds to 24 hours adjustable
Start mode: start immediately / start timer / manual start
Stop mode: Stores full stop / first-in / first-out / timed stop / manual stop
View button: You can view the maximum, minimum, and average temperature values ​​recorded in the instrument at any time
Switch button: can be based on customer needs, manually start recording or stop recording
Alarm setting: The software can set the temperature upper and lower limits alarm
Alarm: alarm, LCD 'AL' prompt
Battery Type: CR2032 button battery (supermarket can be purchased)
Battery Tip: When the battery is low, there is a battery symbol
Communication: comes with USB data cable, USB2.0 communication
Battery life: more than one year
Protection class: IP54
Size: 87 * 54 * 18mm (with the bank card size, easy to carry)
Shell color: sky blue
Shell material: ABS non-toxic plastic
Instrument weight: 50g
Random accessories: application software, certificate, warranty card, manual, factory test report, spare batteries, etc.