Range | MX2303: -40 to 100°C (-40 to 212°F), with tip and cable immersion in fresh water up to 50°C (122°F) for one year |
Accuracy | ±0.25°C from -40 to 0°C (±0.45 from -40 to 32°F) ±0.2°C from 0 to 70°C (±0.36 from 32 to 158°F) ±0.25°C from 70 to 100°C (±0.45 from 158 to 212°F), MX2303 and MX2304 only |
Resolution | MX2303: 0.04°C (0.072°F) |
Drift | <0.01°C (0.018°F) per year |
MX2303 external sensors | 3 minutes in air moving 1 m/sec; 20 seconds in stirred water | 7 minutes in air moving 1 m/sec | 4 minutes in air moving 1 m/sec |
Operating Range | -40° to 70°C (-40° to 158°F) |
Radio Power | 1 mW (0 dBm) |
Transmission Range | Approximately 30.5 m (100 ft) line-of-sight |
Wireless Data Standard | Bluetooth Low Energy (Bluetooth Smart) |
Logging Rate | 1 second to 18 hours |
Logging Modes | Fixed interval (normal, statistics) or burst |
Memory Modes | Wrap when full or stop when full |
Start Modes | Immediate, push button, date & time, or next interval |
Stop Modes | When memory full, push button, date & time, or after a set logging period |
Time Accuracy | ±1 minute per month 0° to 50°C (32° to 122°F) |
Battery Type | 2/3 AA 3.6 Volt lithium, user replaceable |
Battery Life | 2 years, typical with logging interval of 1 minute and Bluetooth Always On enabled; 5 years, typical with logging interval of 1 minute and Bluetooth Always On disabled. Faster logging intervals and statistics sampling intervals, burst logging, remaining connected with the app, excessive downloads, and paging may impact battery life. |
Memory | MX2303: 128 KB (84,650 measurements, maximum) |
Full Memory Download Time | Approximately 60 seconds; may take longer the further the device is from the logger |
Dimensions MX23xx-models | Logger housing: 10.8 x 5.08 x 2.24 cm (4.25 x 2.0 x 0.88 in.) External temperature sensor diameter: 0.53 cm (0.21 in.) External temperature/RH sensor diameter: 1.17 cm (0.46 in.) External sensor cable length: 2 m (6.56 ft) Solar radiation shield bracket: 10.8 x 8.3 cm (4.25 X 3.25 in.) |
Weight | Logger: 75.5 g (2.66 oz) Solar radiation shield bracket: 20.4 g (0.72 oz) |
Materials | Acetal, silicone gasket, stainless steel screws |
Environmental Rating | NEMA 6 and IP67 |