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Home | Products | Data Acquisition | Data Loggers | LCD display Data Loggers | HT-LCD

HT-LCD – Humidity & Temperature Data Logger

Dual Channel High Resolution (16 bit) Humidity & Temperature Data Logger with LCD Display.

HT-LCD – Humidity & Temperature Data Logger
Humidity And Temperature Data Logger Top View Intech HT-LCD

HT-LCD Features

  • Storage capacity of over 500,000 samples.
  • Easy to use LCD menu options.
  • LCD display shows logger status and alarm status continuously.
  • The data from any logger that records Temperature and Relative Humidity can be processed, by the Omni7 software, to add Absolute Humidity and/or Dew Point readings to the data.
  • The battery voltage of the logger can be logged if required.
  • The logger can be run in either “Stop when memory is Full”, “Loop Around” mode or set to stop at a future time.
  • The logger can be started “Now”, at a given time in the future, on a condition (e.g. temperature >20ºC), or on Trigger (push button on logger).
  • The data from any logger that records Temperature can now be processed, by the Omni7 software, to give daily, weekly and monthly accumulated Grow Degree Day reports for a wide range of horticultural crops.
Brand: INTECH
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  • Product Details
  • Technical Specs
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The HT-LCD is a handheld humidity data logger with an integral humidity sensor and liquid crystal display. Both Relative Humidity and Dew Point can be displayed and logged. The HT-LCD uses a Sensirion SHT11 digital humidity sensor giving ±3.0%RH accuracy from 20%RH to 80%RH.
This logger is designed for indoor use (IP 40). For outdoor applications, we recommend using a THT-LCD with a Seahorse Logger Enclosure.
The THT-LCD logger is identical to the HT-LCD logger, except that it has an external Humidity/Temperature probe.

A DLC8USB [USB] download cable (2m) is required to connect the HT-LCD to a computer.

TYPE   HT-LCD 
Humidity Sensor: Sensor Position The sensor is mounted on an end plate at the top of the logger
Sensor Type Sensirion SHT11
Digital humidity sensor
Long-term stability
Fully calibrated by Sensirion
Response time 4 seconds
Range 0%~100%
Accuracy ±3.0%RH from 20% to 80%
±5%RH from 0% to 20% and 80% to 100%
Resolution 0.1%RH
Filter The sensor is covered in a Sensirion SF1 Filter cap. The filter cap provides protection against water, dust and other contaminants for the humidity and temperature sensor.
The filter cap consists of a single piece of polypropylene including a filter membrane.
The filter provides filtration efficiency of 99.99% of all 0.1µm particles and has an optimised response time of typically 30s (1/e (63%) slowly moving air).
Dew Point: Sensor Type The Dew Point is calculated from the current Relative Humidity and Temperature
Accuracy ±2ºC (this is determined by the ±3.0%RH accuracy of the humidity sensor
Resolution 0.1ºC
Temperature: Sensor Type Thermister
Linear accuracy over range ±0.3ºC (0ºC to 70ºC)
Repeatability ±0.1ºC
Long term stability ±0.1ºC
Logger: Working Temperature -20ºC to +70ºC
Storage Temperature -30ºC to +70ºC
Sampling Rate 1 second minimum, 10 hours maximum; in 1 second intervals
Storage capacity 522,240 samples logging Relative Humidity only
362 days with 1 min logging interval (Relative Humidity only)
4.9 years with 5 min logging interval (Relative Humidity only)
174,080 samples logging Relative Humidity Dew Point and Temperature
Alarms Two independent Alarms
Triggered on any combination of six user configurable Alarm Conditions
Both alarms can be configured to send SMS messages
Two Open Collector Alarm Outputs
Alarms can be visually checked on the LCD Display or by using the Omni7 software
Start modes Start immediately; Start on date/time; Start on Condition (e.g. Humidity <30%RH);
Start on trigger (push button on logger)
Stop modes Stop when memory is full / Stop on date/time / Loop around (continues logging)
Logging modes Each channel can be set to log any combination of:
– Point readings         – Average reading
– Maximum reading    – Minimum reading
Warning: When using the Average, Maximum or Minimum reading(s), the logger reads the attached sensor(s) every second. This will reduce battery life.   
Battery One to Five years life depending on usage as above
Using the logger in temperatures below -5°C (23°F) will reduce battery life
User Replaceable; Two 3.6 volts Lithium AA cells
The data is retained in the case of battery failure
Battery Status Monitor on LCD display and in Omni7 software
Download time 9 minutes 30 seconds for Full Logger
Case material ABS Plastic
IP Rating 40
Weight 185g
Size 130mm x 80mm x 30mm
Communication Connector The HT-LCD has a 8 pin Mini-DIN female socket
Pinout Pin 1 Common
Pin 2 RS232 RX (out of logger)
Pin 3 RS232 TX (into logger)
Pin 4 RS232 CTS (out of logger)
Pin 5 RS232 RTS (into logger)
Pin 6 Alarm 1 Open Collector Output
Pin 7 Alarm 2 Open Collector Output
Pin 8 Power 5 to 16V dc

 

Learn about Omni7 Software for Data Loggers.

Download Omni7 Software for Data Loggers.

A DLC8USB [USB] download cable (2m) is required to connect the HT-LCD to a computer.

  • Intech Humidity & Temperature Data Logger HT-LCD - Data Sheet 171.74 KB

Product Range

Product Range:
CodeSpecificationsPriceQuantity
HT-LCD

Humidity & Temperature LCD Data Logger

$490.00
DLC8USB-13

USB Download cable for LCD Series

$135.00
All prices are in NZ$, and GST exclusive and are subject to change without notice.

Intech is our own brand of products, for all aftersales and technically support please contact us.

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