Skip to content

omni instruments | sensors and data acquisition equipment

Sales & Technical Support

  • +44 (0) 1382 443000
  • info@omni.uk.com
  • Home
  • Custom Systems
  • System Hires
  • About
  • Contact
  • Home
  • Custom Systems
  • System Hires
  • About
  • Contact
Products
Edit Content
  • Data Loggers
  • Displacement
  • Display & Control
  • Flow Meters
  • Gas Detection
  • Gyros & Accelerometers
  • Level & Distance
  • Load Cells
  • Pressure Sensors
  • Radio & GSM Telemetry
  • Remote Monitoring
  • Serial Ethernet & ModBus
  • Solar & Wind Power
  • Subsea & Offshore
  • Temperature and Humidity
  • Test & Calibration
  • Torque Transducers
  • Vibration Monitoring
  • Voltage & Current
  • Water Quality
  • Weather Instruments
  • Accessories
  • Data Loggers
  • Displacement
  • Display & Control
  • Flow Meters
  • Gas Detection
  • Gyros & Accelerometers
  • Level & Distance
  • Load Cells
  • Pressure Sensors
  • Radio & GSM Telemetry
  • Remote Monitoring
  • Serial Ethernet & ModBus
  • Solar & Wind Power
  • Subsea & Offshore
  • Temperature and Humidity
  • Test & Calibration
  • Torque Transducers
  • Vibration Monitoring
  • Voltage & Current
  • Water Quality
  • Weather Instruments
  • Accessories
  • Home
  • Custom Systems
  • System Hires
  • About
  • Contact
  • Home
  • Custom Systems
  • System Hires
  • About
  • Contact
Need Help?
£0.00 0 Basket
Product
Edit Content
  • Data Loggers
  • Displacement
  • Display & Control
  • Flow Meters
  • Gas Detection
  • Gyros & Accelerometers
  • Level & Distance
  • Load Cells
  • Pressure Sensors
  • Radio & GSM Telemetry
  • Remote Monitoring
  • Serial Ethernet & ModBus
  • Solar & Wind Power
  • Subsea & Offshore
  • Temperature and Humidity
  • Test & Calibration
  • Torque Transducers
  • Vibration Monitoring
  • Voltage & Current
  • Water Quality
  • Weather Instruments
  • Accessories
  • Data Loggers
  • Displacement
  • Display & Control
  • Flow Meters
  • Gas Detection
  • Gyros & Accelerometers
  • Level & Distance
  • Load Cells
  • Pressure Sensors
  • Radio & GSM Telemetry
  • Remote Monitoring
  • Serial Ethernet & ModBus
  • Solar & Wind Power
  • Subsea & Offshore
  • Temperature and Humidity
  • Test & Calibration
  • Torque Transducers
  • Vibration Monitoring
  • Voltage & Current
  • Water Quality
  • Weather Instruments
  • Accessories
£0.00 0 Basket
Home / Data Loggers / HygroLog Humidity Data Loggers / HygroLog HL20 Data Logger
HL-20D HygroLog Data Logger

HygroLog HL20 Data Logger

The HygroLog HL20D series are data loggers for relative humidity, temperature, dew point and frost point monitoring. These loggers have integrated temperature and humidity sensors with an internal memory for up to 20,000 date and time stamped readings. Units are available with a display and are powered by 3 x AA batteries. These unit are ideal for use in pharmaceutical clean rooms, storage facilities, manufacturing areas, buildings, museums or any other critical area. Operating ranges 0 to +50°C and 0 to 100% RH with an accuracy of ±0.3°C and ±0.8%RH.

View Options

Need help finding the right product?

CONTACT US
  • Description

Description

Features

  • Measuring Ranges: 0-50°C and 0-100%RH
  • Accuracy: ±0.3°C @ 23°C and ±0.8%RH (10…60%RH)
  • Outstanding long term stability
  • 20,000 data point memory with date & time stamps
  • Programmable alarm limits
  • Programmable recording intervals (5 Secs up to 1 Hour, in 5 second intervals)
  • Psychrometric calculations of dew or frost point values available
  • GAMP 4 compliant
  • UART interface
  • 3 x AAA Alkaline Batteries

Specifications

Sensors

Measurement Humidity Temperature Dew/Frost Point
Measuring Method Rotronic HygroMer IN-1 PT100 RTD (IEC 751 Class A) Calculated from %RH and °C
Measurement Range 0-100%RH 0-50°C
Accuracy @ 23°C ±1.3%RH @ 0…10%RH
±0.8%RH @ 10…60%RH
±1.3%RH @ 60…100%RH
±0.3°C
Repeatability 0.3%RH 0.05°C
Response Time Typical 3 Mins Typical 10 Mins
Long-term Stability <1%RH/year <0.1°C/year

Display

Power Supply: 3x AA (1.5 V) Alkaline Batteries
Measurement Interval: 5 sec. to 1 hour in 5 sec. increments
Start-up Time: 1.9 sec (typical)
Memory size: 20,000 Values Pairs (%RH/°C, Date, Time)
Service Interface: UART to USB
Enclosure material: ABS
Dimensions: 130 x 72 x 32 mm
IP protection rating: IP40
Weight: 210g

Product

Ref

Price

Product Description

HL-20D-SET1

£522.00

HygroLog HL-20D-SET Data Logger with an integrated temperature and humidity sensors and LCD. HL-20D will log up to 20,000 paired readings with adjustable log intervals and two recording modes. Measuring range: 0 to +50°C & 0 to 100%RH. Accuracy: ±0.3°C & ±0.8%RH. HL-20D is powered by 3 x AA batteries and has a low battery warning via the display screen. IP40 ABS housing, dimensions 130 x 72 x 32mm. Unit is supplied with HygroSoft Software and AC3006 USB download cable.
MORE INFO
Add to basket

HL-20D

£408.00

HygroLog HL-20D Data Logger with an integrated temperature and humidity sensors and LCD Display. HL-20D will log up to 20,000 paired readings with adjustable log intervals and two recording modes. Measuring range: 0 to +50°C & 0 to 100%RH. Accuracy: ±0.3°C & ±0.8%RH. HL-20D is powered by 3 x AA batteries and has a low battery warning via the display screen. IP40 ABS housing, dimensions 130 x 72 x 32mm.
MORE INFO
Add to basket

links

  • About
  • Contact
  • Custom Systems
  • Privacy & Cookies
  • Terms & Conditions

omni instruments

Omni Instruments Ltd,
Unit 1, 14 Nobel Road,
Wester Gourdie Industrial Estate,
Dundee, DD2 4UH, UK

Sales & Support

  • +44 (0) 1382 443000
  • info@omni.uk.com

Payments

mastercard-color
visa-color
amex-color
Copyright Omni Instruments 2025 | Design. Build. Host.

We are here to help

Need help with your products or have a question for us on our custom systems? Use the form below to send us a message and our experts will be in touch to help.

Call us on +44 (0)1382 443000

Enquire now