The MadgeTech Therm•A•Lert-RH is a humidity and temperature monitoring and alarming system, designed specifically for labora-tories, warehouses and other environments where temperature and humidity monitoring is critical. The system can be used to monitor a single location, or expanded to monitor hundreds of locations over a broad area (additional MadgeTech wireless loggers and transceivers may be required).The Therm•A•Lert-RH provides real time wireless, or wired, notifi-cation of humidity and temperature. The data logger features user programmable alarms that can be configured to send a message via text message (standard SMS rates apply), on-screen alarm and/or via e-mail if an alarm condition is met.The Therm•A•Lert-RH device is equipped with two-way wireless communication. MadgeTech wireless systems offer a flexible and robust integration for many applications. One PC can provide control and communication to all the wireless loggers within range, or the system can be divided into smaller subnets (using a different RF channel). In addition to the data being transmitted wirelessly, the Therm•A•Lert-RH also stores each reading to non-volatile internal memory for a secure backup. Customers can also set up automatic archiving preferences, ensuring all data is saved and retained to comply with federal regulations.
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TEMPERATURE**
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Temperature Range
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-20 °C to +80 °C (-4 °F to +176 °F)
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Resolution
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0.01°C (0.018 °F)
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Calibrated Accuracy:
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±0.5 °C/±0.9 °F (0 °C to +50 °C/32 °F to 122 °F)
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Humidity
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Humidity Range
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0 %RH to 95 %RH non-condensing
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Humidity Resolution
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0.1 %RH
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Humidity Calibrated Accuracy:
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±3.0 %RH (±2 %RH typical at 25 ºC/77 ºF)
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Wireless
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RF Frequency
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2.45 GHz IEEE 802.15.4 ultra-low power wireless transceiver with fully bi-directional communication
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Band
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ISM band 2.405-2.48 GHz
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Maximum Output Power
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+0 dBm typical
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Receiver Sensitivity (RFC1000):
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-95 dBm typical
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Transmission Distance (to data loggers)
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- RFC1000, RFC1000-CE & RFC1000-IP69K
2,000 ft max. outdoors - line of sight unobstructed
500 ft max. indoors - typical urban environment
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Response Time:
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4,000 ft max. outdoors - line of sight unobstructed
1,000 ft max. indoors - typical urban environment
2,500 ft max. outdoors - line of sight unobstructed
700 ft max. indoors - typical urban environment
4,000 ft max. outdoors - line of sight unobstructed
1,000 ft max. indoors - typical urban environment
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**Temperature specifications based on ideal 100 ? Pt RTD compliant with IEC 751 (1983) and ITS-90, 5000 ?
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General
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Reading Rate
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1 reading every 2 seconds up to 1 reading every 24 hours
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Memory
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15,000 readings; software configurable memory wrap
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Wrap Around
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Yes
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Start Modes
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- Immediate start
- Delay start up to 18 months
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calibration
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Digital calibration through softwar
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Calibration Data
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Automatically recorded within device
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Battery Type
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3.6V lithium battery included; user replaceable
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Battery Life
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2 years typical
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Data Format
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Date and time stamped ºC, ºF, K, ºR
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Time Accuracy
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±1 minute / month (at 25 °C/77 °F)
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Computer Interface
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USB to mini USB, 250,000 baud for standalone operation or RFC1000 required for wireless operation
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Software
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XP SP3/Vista/Windows 7/Windows 8
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Operating Environment
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-20 ºC to +80 ºC (-4 ºF to +176 ºF), 0 %RH to 95 %RH non-condensing
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Alarm :
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Programmable high and low limits for temperature and humidity. Alarm is activated when temperature or humid-ity reaches or exceeds set limits
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Dimension
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2.2 in x 5.25 in x 1.3 in (55 mm x 133 mm x 33 mm)
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Enclosure Material
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ABS Plastic
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Approvals
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US (FCC), CA (IC), CE
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BATTERY WARNING:Do not recharge, disassemble, heat above 100 °C (212 °F), incinerate or expose contents to water. Vent, rupture or explosion may result and cause severe burns.
