The M300 is a 2.4 gHz Wireless Temperature and Humidity Indicator System that can monitor up to 4 locations. Includes one M300 and one A310 Remote Indicator.

Temperature Range:
M300: 32 to 122F (0 to 50C); A310: -4 to +140 (-20 to 60C)

Humidity Range:
0 - 95% RH

Temperature Accuracy:
±2F (±1.1C)

Humidity Accuracy:
±3%RH

Temperature Sensor:
Digital Temperature and RH Sensor

Alarm:
yes

Alarm Type:
M300: Audible/Visual Alarm; A310: Visual

Ambient Operating Conditions:
+32 to +122F (0 to +50C); 0 to 95% RH non-condensing

Antenna:
Self contained (internal)

Approvals:
CE, ROHS

Battery Life (Avg):
M300: 6 Months (minimum); A310: 6 Months (minimum)

Dimensions (Inches/cm):
M300B: 5.0 "W x 5.0"H x 1.0"D; A310: 2.0"W x 3.0"H x 0.5" D

Display:
yes
Display Dimensions:
M300: 3.28 "W x 3.13"H; A310: 0.88"W x 0.81"H

Display Resolution:
0.1F (0.1C); 1.0% RH

Enclosure:
ABS

Keypad Functions:
M300: Front:Button : Clear; Back: Dip Switch: F/C, Alarm On/Off, Button: Alarm Set, Up, Down; A310 Back: Channel, F/C Toggle

Mounting:
M300; Free Standing with Flip out kick stand or wallmount with velcro; A310 no kick stand, free standing or wall mount with velcro

Radio Frequency:
2.4ghz

Recording Times:
Continuous - Updates Min / Max stores only most current reading

Response Time:
1 min to 63% FS typical

Sample Interval:
Every 30 Seconds

Storage Conditions:
32 to 122F (0 to 50C); 0 to 95% RH Non Condensing

Weight:
M300: Less than 6oz; A310: Less than 2.5oz

Wireless Range:
100 ft.

Included Accessories:
Manual, Certificate of Calibration, Base Unit, Remote Unit, 4AA Batteries, Velcro Wall Mount Strip (Base & Remote)