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RDXL4SD logger is in the end of its life cycle. As a possible substitute & upgrade, please check out Newest Released 8 Channel Thermocouple Data Logger OM-HL-EH-TC Series for more advanced features with better price.
The Handheld RDXL4SD and RDXL12SD models are portable thermometer/data loggers with backlight display and built-in analysis functions. The data loggers are powered by an internal battery and are capable of sampling, processing and displaying measurements without being connected to a computer.
With their high resolution and fast analog to digital converter (ADC), the RDXL4SD and RDXL12SD meet the majority of data logging requirements in most industrial applications.
Real-time SD memory card data logger, built-in clock and calendar, real time data recorder, and sampling time set from 1 to 3600 seconds comes standard. Data logger can log data manually by setting the sampling time to zero.
These real-time data loggers, save the 4- or 12-channels temperature measuring data, along with the time information (year, month, date, minute, second) into the SD memory card and can down load to Excel. The end user can make any data or graphic analysis by themselves.
Embedded Microcontroller: Custom one-chip LSI device
LCD Display: 82 x 61 mm (3.23 x 2.40') with green color backlight
4 Channels: T1, T2, T3, T4, T1-T2
12 Channels: T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11 and T12
Sensor: Type J, K, T, E, R/S thermocouple probe Pt100 Ω RTD (European curve) for RDXL4SD model only
Resolution: 0.1/1°C or °F
Sampling Time: 1 to 3600 seconds
Memory Card: SD memory card 1 to 16 GB
Memory Recall: Max and min value
Sampling Time of Display: Approx 1 second
Data Output: RS232/USB PC computer interface
Power Off: Auto shut off saves battery life or manual off by push button
Operating Temperature: 0 to 50°C (32 to 122°F)
Operating Humidity: Less than 85% RH
Power Supply: Alkaline or heavy-duty DC 1.5V battery (UM3, AA) x 6 'AA'
Power Current: Approx DC 30 mA
Weight: 489 g (1.08 lb)
Dimensions: 177 H x 68 W x 45 mm D (7 x 2.7 x 1.9')