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Home | Products | pH & Conductivity | pH | pH Data Logger | pH-HR

pH-HR – pH & Temperature Data Logger

Three Channel High Resolution (12 bit) pH and Temperature Data Logger

pH-HR pH Data Logger
DLC3USB Download Cable

pH-HR Features

  • Over 500,000 samples can be logged (for pH only)
  • pH and Temperature can be set to any combination of Point, Average, Maximum & Minimum readings
  • 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 set time in the future or on a condition (e.g. pH > 6.2pH)
  • The data from any logger that records Temperature can 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 pH-HR is a small, three channel high resolution (12 bit) pH and Temperature data logger, housed in a rugged 304 stainless steel case. The logger connects to an external pH probe and also has the option of connecting to an external RTD Pt100 temperature probe to allow temperature compensation of the pH reading. Many pH probes have a built in RTD Pt100 temperature sensor for convenient connection.

The pH-HR logger also has an internal temperature sensor for convenient logging of ambient temperature if desired. Logging can be configured to: immediate start, start at a set time, stop when full or loop around (overwrite oldest data).

A DLC3USB [USB] download cable (2m) is required to connect the PH-HR to a computer.

SPECIFICATIONSpH-HR
pH Input:External Sensor Connector4 pin Switchcraft Plug (EN3C4M)
Weatherproof; IP66
1 pH Probe Positive
2 pH Probe Negative
3 Pt100 A
4 Pt100 B
pH range0 to 14 pH
Accuracy±0.1pH
Resolution±0.1pH
RTD Pt100 Input:External Sensor ConnectorSame 4 pin Switchcraft Plug as pH input
PinoutSee pH
Accuracy±1°C
Resolution±0.5°C
Internal Temperature:Sensor TypeThermister
Linear accuracy over range±0.3°C (0°C~70°C)
Repeatability±0.1°C
Long term stability±0.1°C
Logger:Working Temperature-30°C~70°C
Storage Temperature-30°C~70°C
Sampling Rate1 second minimum, 10 hours maximum; in 1 second intervals
Storage capacity522,240 samples logging pH only
261,120 samples logging pH and Temperature
362 days with 1 min logging interval, pH only
4.9 years with 5 min logging interval, pH only
AlarmsTwo independent Alarms
Triggered on any combination of six user configurable Alarm Conditions
Both alarm can be configured to send SMS messages
Conditions can be setup to reset alarms
Alarms can be visually checked using the Omni7 software
Start modesStart immediately / Start on date/time / Start on condition (e.g. pH > 6.2pH)
Stop modesStop when memory is full / Stop on date/time / Loop around (continues logging)
Logging modesEach channel can be set to log any combination of:
- Point reading
- Max reading
- Min reading
- Average 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
BatteryOne to Five years life span depending on usage as above
Using the logger in temperatures below -5°C will reduce battery life
One 7.2V lithium battery; User Replaceable
The data is retained in the event of battery failure
Battery Status Monitor in Omni7 software
Download time9min 30sec for Full Logger
Case material304 Stainless tube
Screw on end capPlated brass
Weight148g
Size20mm diameter x 182 mm long
Temperature CompensationTemperature compensation is performed within the logger so temperature data does not have to be logged if it is not required
CalibrationThe pH input is calibrated in the factory at 25°C with a traceable calibrated voltage source, temperature compensation is then checked at 0°C, 50°C and 100°C

Learn about Omni7 Software for Data Loggers.

Download Omni7 Software for Data Loggers.

A DLC3USB [USB] download cable (2m) is required to connect the PH-HR to a computer.

  • Intech pH-HR pH & Temperature Data Logger - Data Sheet 249.29 KB

Product Range

Product Range:
CodeSpecificationsPriceQuantity
pH-HR

pH / Temperature Datalogger

$486.00
pH-HR-Plug

Fit plug to pH sensor for use with pH-HR logger

$50.00
DLC3USB____

USB Download Cable HR 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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