Deskripsi
Temperature Sensor | |
Range | MX2301 and MX2305 internal sensors: -40 to 70°C (-40 to 158°F) |
Accuracy | ±0.25°C from -40 to 0°C (±0.45 from -40 to 32°F) |
Resolution | 0.04°C (0.072°F) |
Drift | <0.01°C (0.018°F) per year |
RH Sensor (MX2301, MX2302 only) | |
Range | 0 to 100% RH, -40° to 70°C (-40° to 158°F); exposure to conditions below -20°C (-4°F) or above 95% RH may temporarily increase the maximum RH sensor error by an additional 1% |
Accuracy | ±2.5% from 10% to 90% (typical) to a maximum of ±3.5% including hysteresis at 25°C (77°F); below 10% RH and above 90% RH ±5% typical |
Resolution | 0.05% |
Drift | <1% per year typical |
Response Time: Temperature (typical, to 90% of change) | Without Solar Radiation Shield | With RS1/M-RSA Solar Radiation Shield | With RS3-B Solar Radiation Shield | ||||
MX2301 internal sensor | 17 minutes in air moving 1 m/sec | 24 minutes in air moving 1 m/sec | N/A | ||||
MX2302 external sensor | 2 minutes, 30 seconds in air moving 1 m/sec | 6 minutes in air moving 1 m/sec | 5 minutes in air moving 1 m/sec | ||||
MX2303/MX2304 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 | ||||
MX2305 internal sensor | 17 minutes in air moving 1 m/sec | 24 minutes in air moving 1 m/sec | N/A |
Response Time: RH (typical, to 90% of change) | Without Solar Radiation Shield | With RS1/M-RSA Solar Radiation Shield | With RS3-B Solar Radiation Shield | ||||
MX2301 internal sensor | 1 minute in air moving 1 m/sec | 1 minute in air moving 1 m/sec | N/A | ||||
MX2302 external sensor | 4 minutes in air moving 1 m/sec | 4 minutes in air moving 1 m/sec | 4 minutes in air moving 1 m/sec |
Logger | |
Radio Power | 1 mW (0 dBm) |
Transmission Range | Approximately 30.5 m (100 ft) line-of-sight |
Wireless Data Standard | Bluetooth Smart (Bluetooth Low Energy, Bluetooth 4.0) |
Logger Operating Range | -40° to 70°C (-40° to 158°F) |
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 Power Saving Mode disabled; 5 years, typical with logging interval of 1 minute and Power Saving Mode enabled. Faster logging intervals and statistics sampling intervals, burst logging, remaining connected with the app, excessive downloads, and paging may impact battery life. |
Memory | 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 | Logger housing: 10.8 x 5.08 x 2.24 cm (4.25 x 2.0 x 0.88 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 |
The CE Marking identifies this product as complying with all relevant directives in the European Union (EU). This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
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