Monnit, MNS2-9-W2-TS-SD-L03, ALTA Wireless Digital Temperature Sensor, 900 MHz, 3′ Probe
MNS2-9-W2-TS-SD-L03 Includes Only:
- Wireless Sensor
- Mounting Hardware
- 2 x AA Batteries
Features:
- Integrated 4-digit display
- Measurement range: -40°F to +257°F
- Power and read buttons
- 3 and 10-foot temperature lead options
- Units: C/F
- Supports 21CFR Part 11B programs
- Embedded Omni-directional antenna
- Wireless range of 720+ feet through 7+ walls
- Frequency Hopping Spread Spectrum (FHSS)
- Advanced interference immunity
- Encrypt-RF Security (Diffie-Hellman Key Exchange + AES-128 CBC for sensor data messages)
- Up to 3200 persistent sensor message memory
- Over the air updates (future proof)
- Fast and easy setup/install (less than 15 minutes)
Applications:
- Ambient temperature monitoring
- Environmental monitoring
- Datacenter monitoring
- Cooler and Freezer monitoring
- Laboratory monitoring
- Meeting Data Redundancy Regulations
The ALTA Digital Temperature Sensor assesses the temperature of whatever environment the probe is in. At the push of a button, temperature readings are displayed on the device’s digital display and sent to iMonnit software through a Monnit gateway(purchased separately), creating an easy-to-read log of current and past readings.
Notes:
Monnit commercial-grade sensors are designed for applications in ordinary environments (normal room temperature, humidity, and atmospheric pressure). Do not subject these sensors to the following, as these environmental aggressors could degrade the device and its performance, leading to failures and burn-out: – Corrosive or deoxidizing gas, e.g., chlorine gas, hydrogen sulfide gas, ammonia gas, sulfuric acid gas, and nitric oxides – Volatile or flammable gas – Dusty conditions – Extremely low or high pressures – Wet or excessively humid locations – Places where saltwater, oils, chemical liquids, or solvents are routinely present – Applications/locations prone to excessive or strong vibration – Other sites where similar hazardous conditions exist Use these products within the Monnit-specified temperature range. Higher temperatures could deteriorate both the product and its functionality. Monnit commercial-grade sensors are designed for applications in ordinary environments (normal room temperature, humidity, and atmospheric pressure). Use these products within the Monnit-specified temperature range. Higher temperatures could deteriorate both the product and its functionality.
Technical Details
| Sensor Specifications | |
| Power | 2.0-3.8 VDC (AA alkaline or lithium batteries) |
| Dimensions | |
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| Current Consumption |
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| Operating Temperature Range (Board Circuitry and Batteries) |
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| Optimal Battery Temperature Range (AA) | +50°F to +122°F (+10°C to +50°C) |
| Integrated Memory | Up to 3200 sensor messages |
| Wireless Range | 720+ ft non-line-of-sight |
| Security | Encrypt-RF at (256-Dit key exchange and AES-128 CTR) |
| Weight | 3.08 ounces (Does not include battery weight) |
| Certifications |
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| Temperature Measurement Specifications | |
| Range | 40°F to +257°F (-40°C to +125°C) |
| Accuracy | +/- 1.8° F (1° C) |
| User-calibrated accuracy | +/- 0.45° F (+ 0.25° C) |
| Resolution | 0.1° F (0.1° C) |
| Response time | 15-sec max |
| Units | C or F (User-configurable on the sensor and in iMonnil) |
| Lead Specifications | |
| Probe Material | 304 stainless steel. |
| Probe Dimensions | 5 mm dia. x 35 mm |
| Based temperature element | Thermistor |
| Display Specifications | |
| Operating temperature range | 14°F to 140°F (-10°C lo 60°C) |
| Storage temperature range | -4°F to 158°F (-20°C to 70°C) |
| Symbols | 4 digits, 3 decimals, C/F, Low Battery, Signal Strength, Minus symbol |
| Viewing Area | 14.0 mm x 26.0 mm |
| Digit Size | 8.5 mm x 4.5 mm |
| Current consumption | -260 uA |
| Sensor Data | |
| Temperature | xxx.x C or F, Signed Integer (Raw temperature data is in Celsius) |
| Mode | 0 or 1, 0 = Read button not pressed, 1 = Read button pressed, Unsigned Byte |





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