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External Temperature/RH Sensor Data Logger - HOBO MX2302

 

HOBO MX2302 adalah logger data tahan cuaca dengan suhu eksternal dan sensor kelembaban relatif. Dengan memanfaatkan Bluetooth Low Energy, logger memungkinkan pemasangan, data cepat dan cepat langsung dari perangkat seluler Anda, dan memberikan pengukuran akurasi tinggi di lingkungan luar yang keras.


Feature

Highlighted Features

  • Convenient wireless setup and download via Bluetooth Low Energy (100-foot range)
  • Retrieve data in hard-to-reach locations
  • Visual alarms alert you to out-of-range conditions
  • Compact, weatherproof housing with built-in mounting
  • View current data in real time with Onset’s free HOBOmobile app
  • Share downloaded data easily from your mobile device
  • Accuracy: +/- 0.2C° and +/- 2.5% RH

Spesification

Temperature Sensor

Range

MX2301 and MX2305 internal sensors: -40 to 70°C (-40 to 158°F)
MX2302 external temperature sensor: -40 to 70°C (-40 to 158°F)
MX2303 and MX2304 external sensors: -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

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

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

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.)
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

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Sangat jarang perusahaan seperti ini di Indonesia!  Mereka terus-menerus mengikuti perkembangan inovasi engineering test & measurement, “nyambung” berdiskusi teknis dan berpengalaman, memiliki visi pengembangan teknologi pengukuran, pengujian, inspeksi dan monitoring.(Dr.-Ing. Ir. May Isnan - NDT Specialist B2TKS-BPPT)

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