Omni Controls - Detail1 - HL21D - Hygrolog HL21D - Temperature and Humidity Equipment - Others

Hygrolog HL21D

Price starts at $295.00

Product Code : HL21D

Manufacturer : Rotronic

Digital Display:

Mounting:

Circuit Type:

Output Signal Type:

Temp. Output Span:

Qty:

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Specifications (PDF)

HL20 / HL21 Data Logger:

The HL20 and HL21 are accurate humidity temperature data loggers designed for recording ambient conditions in indoor areas such as research laboratories, high-tech manufacturing facilities and warehouses, storage areas and containers for sensitive goods, museums, office buildings, etc.

Model HL20: records up to 20,000 pairs of relative humidity and temperature values
Model HL21: records up to 20,000 pairs of temperature values
Internal sensors (no apparent probe)
Optional LC display
0 to 100 %RH
-10 to 60°C (14 to 140°F) - models with LC display: 0 to 50°C (32 to 122°F)
Accuracy: ± 0.8 %RH and 0.2 °C
Calibration and adjustment functions

Required Accessories:

HW4 software for logger configuration, data download and data analysis
Cable AC 3006: connects the data logger to a USB port of a PC running the HW4 software

General Specifications:

HL20: records up to 20,000 pairs of relative humidity and temperature values
HL21: records up to 20,000 pairs of temperature values
Non-volatile EEPROM memory
Internal sensors (no apparent probe). Temperature is measured with a Pt100 RTD. Relative humidity is measured with a ROTRONIC Hygromer IN1 capacitive sensor.
Humidity range: 0 to 100 %RH (non condensing)
Temperature range: -10 to 60°C (14 to 140°F) - models with LC display: 0 to 50°C (32 to 122°F)
Accuracy at 23 °C: ± 0.8 %RH and 0.1 °C

Interface & Display

Function key: starts and stops data logging, turns optional LC display on and off
Optional LC display with backlight (values, message bar and battery charge indicator)
Connector for data download, configuration and log function programming

Required Accessories

PC with the ROTRONIC HW4 software installed (version 2.4.0 or higher)
Cable AC3006 (plugs into a USB port of the PC)

Power

3 x AA batteries (1.5V)
Up to 20 months of data recording without replacing the batteries.

Other Features

English or metric unit system
Real time clock powered for up to 4 hours without batteries
Programmable alarm function (out-of-limit value)
Automatic sensor failure alarm
Status indicator (green and red LED). The green side of the LED flashes every 5 seconds when logging is active. The red side of the LED flashes every 5 seconds when a measured value is out of limits or when the logger requires attention (low battery, memory full, major sensor failure – such as open or shorted sensor)
Display Sleep function: substantially extends the lifetime of the battery
Simulator function (fixed output signals) for validating the recording function
HL20: can be set compute and display the dew or frost point