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                                                                                                  1. Home
                                                                                                  2. Test & Measurement
                                                                                                  3. Data Acquisition & Data Logging
                                                                                                  4. Dataloggers
                                                                                                  Print Page

                                                                                                  HL-20D

                                                                                                  Data Logger, 0-100%RH, 0 to 50°C Temp Range, Temperature & Humidity, 1 Channel, 20000 Samples, UART

                                                                                                  ROTRONIC
                                                                                                  ROTRONIC HL-20D
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  ManufacturerROTRONIC
                                                                                                  Manufacturer Part NoHL-20D
                                                                                                  Order Code4841537
                                                                                                  Your Part Number
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  Available to Order
                                                                                                  Delivery estimated post order confirmations.You will be charged on despatch.

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                                                                                                  QuantityPrice
                                                                                                  1+HK$4,957.40
                                                                                                  Price for:Each
                                                                                                  Minimum: 1
                                                                                                  Multiple: 1
                                                                                                  HK$4,957.40
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                                                                                                  Added to your Order Confirmation, Invoice, and Dispatch note for this order only.

                                                                                                  Product Information

                                                                                                  ROTRONIC
                                                                                                  ManufacturerROTRONIC
                                                                                                  Manufacturer Part NoHL-20D
                                                                                                  Order Code4841537
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  Data Logger TypeTemperature & Humidity
                                                                                                  No. of Channels / Inputs1 Channel
                                                                                                  Sensor / Measurement Type-
                                                                                                  Maximum Samples20000 Samples
                                                                                                  Data InterfaceUART
                                                                                                  Display TypeLCD
                                                                                                  Product Range-
                                                                                                  SVHCNo SVHC (25-Jun-2025)

                                                                                                  Product Overview

                                                                                                  HL-20D is an economical datalogger. The compact data logger for humidity and temperature measurement offers high precision and reliability at a reasonable price. The HL-20 series is easy to use and deployable in a wide range of applications. Thanks to its integrated batteries, the HL-20 works completely independently and offers its users maximum flexibility. Typical applications include warehouses, factory halls, museums, office buildings, clean rooms, shipping, libraries and test facilities.

                                                                                                  • Highest accuracy at 0.8 %RH and 0.3 ˚C
                                                                                                  • Outstanding long term stability
                                                                                                  • 20,000 data point memory with date & time stamps
                                                                                                  • Programmable alarm limits
                                                                                                  • Programmable recording intervals
                                                                                                  • Psychrometric calculations of dew and frost point values available
                                                                                                  • FDA 21 CFR Part 11 / GAMP 4 compliant
                                                                                                  • UART interface
                                                                                                  • Long battery life

                                                                                                  Contents

                                                                                                  HL-20D datalogger, Instruction manual, Factory certificate, Screw with dowel for wall mounting, 3 x AA Battery, packed with equipment and reverse polarity protected.

                                                                                                  Technical Specifications

                                                                                                  Data Logger Type

                                                                                                  Temperature & Humidity

                                                                                                  Sensor / Measurement Type

                                                                                                  -

                                                                                                  Data Interface

                                                                                                  UART

                                                                                                  Product Range

                                                                                                  -

                                                                                                  No. of Channels / Inputs

                                                                                                  1 Channel

                                                                                                  Maximum Samples

                                                                                                  20000 Samples

                                                                                                  Display Type

                                                                                                  LCD

                                                                                                  SVHC

                                                                                                  No SVHC (25-Jun-2025)

                                                                                                  Technical Docs (1)

                                                                                                  Technical Data Sheet EN

                                                                                                  Legislation and Environmental

                                                                                                  Country of Origin:
                                                                                                  Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                  Switzerland
                                                                                                  Country in which last significant manufacturing process was carried out
                                                                                                  Tariff No:90278990
                                                                                                  US ECCN:EAR99
                                                                                                  EU ECCN:NLR
                                                                                                  RoHS Compliant:Yes

                                                                                                  RoHS

                                                                                                  RoHS Phthalates Compliant:To be advised
                                                                                                  SVHC:No SVHC (25-Jun-2025)
                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

                                                                                                  Weight (kg):.21
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