Microchem Temperature Transmitter



The WP series enclosure is fully waterproof to IP67 rating. The connectors are rated to IP65. The case, keypad and connectors are designed for maximum durability in the harshest conditions. The WP Series is equally at home in laboratory, field or industrial environments.

The 32 character alphanumeric display features a user-friendly menu system. This guides the user through every step of operation. Full text prompting and error messages are provided. Calibration and set-up are a breeze with the WP Series.

The Calendar Clock can be displayed continuously along with the data. The date and time are recorded with every reading, when using the Notepad and AutoLog functions. To comply with Good Laboratory Practices (GLP) standards, the WP Series store the date, time and results of the last calibration. This information can be recalled when required. All readings stored in memory are stamped with the date and time. 

To reduce errors when recording readings, the WP Series has a 2400 reading Notepad. At the touch of a button, readings can be recorded into memory, along with the date and time. This is especially useful when taking readings in wet environments. Program the AutoLog function to automatically log readings into memory. Simply set the logging interval from 1 minute to 24 hours, start logging and walk away. The WP Series can log up to 2400 readings, along with the date and time. 

The WP Series has RS232 serial port interface. All readings stored in memory and GLP information can be downloaded to a PC or printer. The RS232 serial port also allows the AutoLog function to log directly to a PC or printer. WinTPS Windows software allows the WP Series to communicate with a PC for data download. 

The WP Series is supplied with a rechargeable NiMH battery and charger as standard. Chargers for all countries are available. For extended field trips a solar panel, or a charger lead for a car cigarette lighter socket are also available.

The WP Series is proudly designed and manufactured in Australia. Our aim is to provide you with the best quality, service and value for money. The TPS Quality System has been certified in accordance with the AS/NZS ISO 9001 standard. Since 1968, TPS has built a reputation for excellent backup service that is second to none. Compare the list of features with the competition. The WP Series sets a new standard for handheld instruments.

Product price

Product ID Product options Price
114144 microCHEM Temp Transmitter, 12V DC, In, 0-1V or 0-5V Out $305.00
114144/5 microCHEM-Temp with 5 metre dip or screw-in Temperature sensor $435.00


-45.0 to 120.0 oC
-49.0 to 230.0 oF
228.0 to 383.0 oKelvin

0.1 oC
0.1 oF
0.1 oKelvin

+/-0.2 oC
+/-0.4 oF
+/-0.2 oKelvin

Maximum / Minimum Mode
Stores maximum and minimum values for all enabled channels.

Data Hold Function
Freezes current reading(s) on display.

Difference Mode
Displays difference between channels 
A and B when 2 channel mode is selected.

Tough, anti-static Luran-S plastic case, waterproof to IP67. Connectors waterproof to IP65. The instrument will float if dropped into water.

32 Character alphanumeric LCD with user-friendly menu system and full-text messages.

2400 readings, including date and time.

Automatic Logging
User-set for one reading every 1 to 90 seconds, 1 to 90 minutes or 1 to 24 hours.

RS232 Serial Port Output
300, 1200 and 9600 Baud.
8 Bits, No Parity, 1 Stop Bit, XON/XOFF.

24 Hour Calendar Clock

Battery Saver Function
On : Automatically switched off after 5 minutes of no use.
Off : Unit remains on for continuous use.

Good Laboratory Practices
Date, time and results of last successful calibration are stored, and can be recalled when required. GLP information can be printed or downloaded to PC when the optional RS232 Interface is fitted. Warning of failed calibration is provided. 

6V NiMH Rechargeable battery pack for approx 75 hours operation. Battery charger for country of choice supplied. Battery can be charged from any 12V DC source.

187 x 110 x 51 mm

Instrument only : Approx 440g
Full Kit : Approx 1.7kg

Temperature : 0 to 45 oC
Humidity : 0 to 95% R.H.

Ordering Information

Part No
WP-87 Temperature 1m.............124110

Kit Includes
Temperature Sensor, 1m...........121247
Battery Charger..................130037

Optional Sensors
Extra Temp Sensor................121247
Stab Type Sensor.................121249
Mini Stab Sensor (3mm dia).......124220
Heavy Duty Compost Sensor........114202
Custom Body Sensor...............124207
(must specify requirements)

Part No
Options and Accessories

Cable Extension:
Extra cable, per metre..........130040

Computer Interface:
Serial cable for computer.......130041
Serial to USB adaptor cable.....130087
WinTPS Software for Windows.....130086

Power options:
12V Solar Panel.................130012
12V Car Cigarette lighter lead..130046
12V Clip lead, separate battery.130052

Carry case:
Aluminium Carry Case............130059

Download this Specification Sheet in PDF format (0.24MB, .PDF)
Download the manual for this instrument (0.15MB, .PDF)

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