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LogBox-RHT Temp/Humidity Logger
Description
The LOGBOX-RHT is a stand alone data logger for temperature and relative humidity. The sensors are built in and the data is stored in local memory, from where it can be transferred to a computer or Palm top for visualization and analysis in the form of tables or graphics.
Features
LogBox-RHT User Manual >> RS232 IR Interface USB IR Interface	Temperature measurement - Range: -40 to 80 °C. Resolution: 0.1°C Response time:up to 30 s in fairly still air Humidity measurement -RH Range: 0 to 100 %RH. Resolution: 0.1 %RH Dew point range: -40 ° to 100 °C. Resolution 0.1 °C Response time: 4s in fairly still air, from 20 to 80 %RH Memory for 32,000 recordings in one channel or 16,000 recordings for each channel; Recording interval: programmable from 1 s to 18 hours; Logger start: immediately, outset by the device’s button,by date/hour or by a programmed setpoint; Logger stop: at full memory; at some specified date and hour, number of samples or never (circular memory); Internal replaceable lithium cell (3.6V 1/2 AA); Estimated battery life: 2 years with one daily download. Battery life depends heavily on data retrieval frequency; Configuration and data retrieval software for Windows 98, XP, 2000 and PalmOS; Operating temperature: -40°C to 80°C; Enclosure: IP65 (electronics), IP40 (sensor probe), flame retardant, ABS+PC; Dimensions: 70x60x35
Description
Logbox-RHT is a dual channel data logger with buit-in temperature and relative humidity sensors. Uses a high quality, industrial grade humidity sensor, for accurate and reliable operation in applications such as transportation, storage of goods, process auditing and others. Its sturdy water proof enclosure provides full performance in the most demanding applications. The LogBox-RHT is powered fom an internal 3.6V battery. Setup and data retrieval is done in a PC via an infrared interface through the use of LogChart-II, a Windows compatible software package. In addition to LogBox configuration, LogChart-II can be used to retrieve data and for data presentation in table or chart formats. Data can be printed or exported to Spreadsheets such as Excel. Special mathematical functions can be programmed. Some novel features of the LogBox include; Data capture modes - Data can be acquired via different capture modes: Single - the logger records the instantaneous value at each log rate interval Mean - the mean of ten measurements within the time interval is storedm Minimum or maximum - the minimum or maximum values are stored Data Logging can be started or stopped in various ways; LogBox pushbutton External contact closure Pre-set date and time Immediately Palm PDA Command
LogChart Software
The LogBox-RHT is configured using the included LogChart software. Data is transmitted to the LogBox through an Infrared wand connected to the PC's RS232 or USB port. The Parameter Configuration window in LogChart lets you configure the following parameters: Logging session title Channel setup - name, type, limits, scaling start log options - immediatley or timed log rate logging options - stop when full or roll-over After the logging session is complete, data can then be downloaded again by LogChart and displayed in table and chart formats. Data files can then be saved as ASCII text files for importation into common Spreadsheets. It is even to monitor data in real-time.
Palm PDA Users
Most of the functionality of the LogChart II is available for the PDA Palm running the LogChart PalmOS software. The program is supplied with the logger. The program is installed on the Palmtop through a HotSync process (data synchronization between a Palmtop and a PC). Starting the LogChart PalmOS application will display the Recorded Data screen on the Palm where it is possible to access the LogBox configuration to change settings and collect data, as well as to access collected data. HotSync of data stored in a PDA to a PC is performed through a conduit installed together with the LogChart Palm-OS. The conduit converts the data collected by the LogChart Palm-OS to a file compatible with the LogChart-II software.
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