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Environmental & Temperature

Lutron BTM-4208SD 12-Channel Temperature Recorder, Type K/J/T/E/R/S Thermocouples, Real-Time SD Card Data Logger, RS232/USB Interface

Brand: Lutron
Out of Stock

The Lutron BTM-4208SD is a 12-channel temperature recorder for type K/J/T/E/R/S thermocouples. It saves readings with date and time to an SD card that opens directly in Excel, with auto or manual logging, a backlit LCD showing up to 8 channels at once and an RS232/USB interface.

Lutron BTM-4208SD 12-Channel Temperature Recorder

The Lutron BTM-4208SD is a 12-channel temperature recorder (CH1 to CH12) for type K, J, T, E, R and S thermocouple probes. With a type K probe it measures from -100 to 1300 °C with 0.1 °C resolution up to 999.9 °C, and the reading can be shown in °C or °F.

It is a real-time data logger: the measurements of the 12 channels are saved together with the time information (year, month, date, hour, minute, second) on an SD memory card and can be downloaded to Excel with no extra software, so the user can carry out further data or graphic analysis. Logging is automatic, with a sampling time from 1 to 3600 seconds, or manual, saving one record each time the logger button is pressed.

The jumbo LCD with green backlight shows CH1 to CH8 or CH9 to CH12 on the same screen by page selection. The recorder is powered by 8 AA (UM3) 1.5 V batteries or a DC 9V adapter and has an RS232/USB computer interface.

Key Features

  • 12 temperature channels (CH1 to CH12) with 2 pin thermocouple sockets.
  • Sensor types: type K/J/T/E/R/S thermocouple.
  • Real-time data logger on SD memory card (1 GB to 16 GB) with time information; data open in Excel without extra software.
  • Auto data logging with sampling time from 1 to 3600 seconds, or manual logging by push button.
  • Display resolution 0.1 degree / 1 degree, in °C or °F.
  • Page select: CH1 to CH8 or CH9 to CH12 on the same LCD.
  • Offset adjustment for the zero temperature deviation.
  • Automatic temperature compensation and linear compensation for the full range.
  • Data hold, and record function for the maximum and minimum readings.
  • Jumbo LCD with green backlight, easy reading.
  • Auto power off or manual power off.
  • RS232/USB PC computer interface.
  • Heavy duty and compact housing case.
  • ISO-9001, CE, IEC1010.

Package Contents

  • BTM-4208SD temperature recorder
  • Type K temperature probe TP-01 – 2 PCs
  • SD card (2 GB) – 1 PC
  • Hard carrying case CA-08 – 1 PC
  • Instruction manual – 1 PC

Optional Accessories

  • Type K thermocouple probes TP-01, TP-02A, TP-03, TP-04
  • USB cable USB-01
  • RS232 cable UPCB-02
  • Data acquisition software SW-U801-WIN
  • AC to DC 9V adapter

Product Specifications

ManufacturerLutron Electronic
ModelBTM-4208SD
Channels12 channels: T1 to T12
Sensor TypeType K thermocouple probe; type J/T/E/R/S thermocouple probe
Resolution0.1 °C / 1 °C, 0.1 °F / 1 °F
Type K – Range, Resolution, Accuracy (°C)-100.0 to -50.1 °C, 0.1 °C: ± (0.4 % + 1 °C); -50.0 to 999.9 °C, 0.1 °C: ± (0.4 % + 0.5 °C); 1000 to 1300 °C, 1 °C: ± (0.4 % + 1 °C)
Type K – Range, Resolution, Accuracy (°F)-148.0 to -58.1 °F, 0.1 °F: ± (0.4 % + 1.8 °F); -58.0 to 999.9 °F, 0.1 °F: ± (0.4 % + 1 °F); 1000 to 2372 °F, 1 °F: ± (0.4 % + 2 °F)
Type J – Range, Resolution, Accuracy (°C)-100.0 to -50.1 °C, 0.1 °C: ± (0.4 % + 1 °C); -50.0 to 999.9 °C, 0.1 °C: ± (0.4 % + 0.5 °C)
Type J – Range, Resolution, Accuracy (°F)-148.0 to -58.1 °F, 0.1 °F: ± (0.4 % + 1.8 °F); -58.0 to 999.9 °F, 0.1 °F: ± (0.4 % + 1 °F)
Type T – Range, Resolution, Accuracy (°C)-100.0 to -50.1 °C, 0.1 °C: ± (0.4 % + 1 °C); -50.0 to 400.0 °C, 0.1 °C: ± (0.4 % + 0.5 °C)
Type T – Range, Resolution, Accuracy (°F)-148.0 to -58.1 °F, 0.1 °F: ± (0.4 % + 1.8 °F); -58.0 to 752.0 °F, 0.1 °F: ± (0.4 % + 1 °F)
Type E – Range, Resolution, Accuracy (°C)-100.0 to -50.1 °C, 0.1 °C: ± (0.4 % + 1 °C); -50.0 to 900.0 °C, 0.1 °C: ± (0.4 % + 0.5 °C)
Type E – Range, Resolution, Accuracy (°F)-148.0 to -58.1 °F, 0.1 °F: ± (0.4 % + 1.8 °F); -58.0 to 999.9 °F, 0.1 °F: ± (0.4 % + 1 °F); 1000 to 1652 °F, 1 °F: ± (0.4 % + 2 °F)
Type R – Range, Resolution, Accuracy (°C)0 to 600 °C, 1 °C: ± (0.4 % + 0.5 °C); 601 to 1700 °C, 1 °C: ± (0.4 % + 1 °C)
Type R – Range, Resolution, Accuracy (°F)32 to 1112 °F, 1 °F: ± (0.4 % + 1 °F); 1113 to 3092 °F, 1 °F: ± (0.4 % + 2 °F)
Type S – Range, Resolution, Accuracy (°C)0 to 600 °C, 1 °C: ± (0.4 % + 0.5 °C); 601 to 1500 °C, 1 °C: ± (0.4 % + 1 °C)
Type S – Range, Resolution, Accuracy (°F)32 to 1112 °F, 1 °F: ± (0.4 % + 1 °F); 1113 to 2732 °F, 1 °F: ± (0.4 % + 2 °F)
Accuracy ConditionsSpecified for the meter only, at an environment temperature of 23 ± 5 °C
DisplayLCD, 82 mm x 61 mm, with green color backlight
Datalogger Sampling TimeAuto: 1 second to 3600 seconds; Manual: one record per push of the data logger button
Memory CardSD memory card, 1 GB to 16 GB
Temperature CompensationAutomatic temperature compensation for type K/J/T/E/R/S
Linear CompensationLinear compensation for the full range
Offset AdjustmentAdjusts the zero temperature deviation value
Probe Input Socket2 pin thermocouple socket
Data HoldFreezes the display reading
Memory RecallMaximum and minimum value
Sampling Time of DisplayApprox. 1 second
Data OutputRS232/USB PC computer interface (optional RS232 cable UPCB-02 or USB cable USB-01)
Power OffAuto shut off or manual off by push button
Operating Temperature0 to 50 °C
Operating HumidityLess than 85 % R.H.
Power SupplyAlkaline or heavy duty DC 1.5 V battery (UM3, AA) x 8 PCs, or DC 9V adapter input (AC/DC power adapter is optional)
Power CurrentApprox. DC 7.5 mA in normal operation (SD card not saving, backlight off); approx. DC 25 mA while the SD card saves data (backlight off); backlight on adds approx. 11 mA
StandardsISO-9001, CE, IEC1010
Dimensions225 x 125 x 64 mm (8.86 x 4.92 x 2.52 inch)
Weight948 g (meter, includes batteries)

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