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SL50 Miniature RH & Temperature Data Logger

Brand: Signatrol Ltd

The SL50 series of miniature data loggers comprises of four data loggers: 

The SL51T measures temperature from -40° to 85° C with an accuracy of ±1° C. 

The SL52T operates over the same temperature range of the SL51T, -40° to 85° C but has an improved accuracy of ±0.5° C. The SL53T operates over the range 0° to 125° C with an accuracy of ±0.5° C. 

The SL54TH measures temperature over the range -40° to 85° C and also measures relative humidity from 0 to 100%. 

SL55T-A measures from 15° to 140° C with an accuracy of ±0.5° C from 80° to 140° C. 

All models are available supplied complete with UKAS traceable calibration certificates. 

These models are identified with the -A suffix and in the case of the SL53T-A and the SL54TH-A, are calibrated to give an improved accuracy over the “standard” version. 

All members of the SL50 series are fully compatible with our TempIT software which is available as a free download from the Signatrol website. 

The SL50 series data loggers connect to the computer using the USB interface (sold separately).

There are also a range of accessories available to assist with mounting or protection.

Specifications

Accuracy

  • ± 0.2° to 1.5° C (± 0.36° to 2.7° F) from 0° to 125° C (32° to 257° F) - SL53T / SL53T-A
  • ± 0.5° C (± 0.9° F) from -10° to 140° C (14° to 284° F) for SL54T / SL54T-A & SL55T
  • ± 0.5° to 1° C (± 0.9° to 1.8° F) from -40° to 85° C (-40° to 185° F) - SL52T/SL52T-A
  • ± 1° to 1.3° C (± 1.8° to 2.34° F) from -40° to 85° C (-40° to 185° F) - SL51T / SL51T-A
  • ± 2 % Relative Humidity - Relative Humidity for SL54TH-A
  • ± 5 % Relative Humidity - Relative Humidity for SL54TH

Approvals & Certifications

  • EN 12830
  • UKAS - SL51T-A, SL52T-A, SL53T-A, SL54TH-A, SL55T-A

Approvals & Certifications

  • FDA 21 CFR Part 11
  • UL 913 (4th Edition): Intrinsically Safe Apparatus, Approval Under Entity Concept for use in Class I, Div. 1, Groups A, B, C, & D Locations, EEx ia IIC T4 (-40° to 80° C)

Battery Life

  • 0 to 10-Years at 20° to 85° C (68° to 185° F)

Communication

  • USB

Delay Time

  • 0 to 1-Year at 1 Minute Resolution - SL52T/SL52T-A, SL53T/SL53T-A, SL54TH/SL54TH-A & SL55T-A
  • 0 to 45 Days at 1 Minute Resolution - SL51T/SL51T-A

Enclosure, Body Material

  • Plastic
  • Silicone
  • Stainless Steel

Environmental Protection

  • IP55

Interface Connection

  • USB Interface Lead

Materials of Construction

  • 305 Stainless Steel

Mounting

  • Pallet Mount
  • Wall Mounted

Operating Temperature

  • -20° to 85° C (-4° to 185° F) - SL54TH / SL54TH-A

Resolution

  • 0.07° C - High Resolution Mode
  • 0.5° C - Low Resolution Mode

Response Time

  • 1 Minute 29 seconds at 63 % Time Constant: Temperature for SL54TH / SL54TH-A
  • 180 seconds - 10 to 90 % Step Change for SL55T-A
  • 2 minutes 50 seconds - 10 to 90 % Time Constant: Temperature for SL54TH/SL54TH-A
  • 3 minutes 44 seconds - 63 % Time Constant: Relative Humidity for SL54TH / SL54TH-A
  • 9 minutes 50 seconds - 10 to 90 % Time Constant: Relative Humidity for SL54TH / SL54TH-A
  • 90 seconds - 63 % Step Change for SL55T-A

Storage Temperature

  • -40° to 85° C (-40° to 185° F) - SL54TH / SL54TH-A

Temperature Range

  • 0° to 125° C (32° to 257° F) - SL52T / SL52T-A
  • 15° to 140° C (59° to 284° F) - SL55T-A
  • -40° to 85° C (-40° to 185° F) - SL51T / SL51T-A, SL52T / SL52T-A
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