Microchem Conductivity Transmitter



The all-new microCHEM series are a simple, no fuss solution for many water quality monitoring applications. With industry-standard 0 to 1 V DC and 0 to 5 V DC outputs, they are designed specifically to interface with commercial dataloggers and PLC units.

All microCHEM units are easy to install. The enclosure is waterproof to IP65, so a separate cabinet is not required. Waterproof cable glands are provided for the input and output cables.

The microCHEM series is the best value range of water quality transmitter available today. They are ideal for environmental monitoring, cooling tower control, and any industrial site utilising centralised control systems. The microCHEM series is an excellent solution for Original Equipment Manufactures (OEM's) who wish to incorporate water quality monitoring into their own designs. Over 30 years experience in this industry ensures that the microCHEM series provide accuracy and reliability without the OEM needing to spend any time or money on R & D.

The microCHEM series is proudly designed and manufactured in Australia. The TPS Quality System has been certified in accordance with AS/NZS ISO9001 standards. You can always be assured of the best quality, service and value for money.

Product price

Product ID Product options Price
112144 microCHEM-Cond Transmitter, 12V DC In, 0-1V or 0-5V Out $305.00
112144/5 microCHEM-Cond with 5 metre k=0.1, k=1 or k=10 sensor - specify on order $621.00


k=0.1 Sensor....0 to 19.99 uS/cm
0 to 199.9 uS/cm
0 to 1999 uS/cm

k=1.0 Sensor....0 to 199.9 uS/cm
0 to 1999 uS/cm
0 to 19.99 mS/cm

k=10 Sensor.....0 to 1999 uS/cm
0 to 19.99 mS/cm
0 to 199.9 mS/cm

Ranges selectable by jumper setting.

0.1% of full scale

+/-0.2% of full scale

+/-0.05% of full scale

+/-0.05% of full scale

Ambient Drift

Long Term Drift
<0.1% per year

Temperature Compensation
Automatic, 0 to 100oC

Zero Range

Span Range
70 to 130%

Platinised Platinum,
k=0.1, k=1.0 or k=10

Polycarbonate, waterproof to IP65

0 to 1 V DC
0 to 5 V DC
(selectable by jumper setting)

Galvanic isolation of sensor input

12V DC, approx 10 mA

Enclosure : 125 x 85 x 56 mm
PCB only : 115 x 77 mm (82 x 58 mm mounting hole centres)

Instrument only : Approx 250 g 
Full Kit : Approx 750 g

Instrument Operating Environment
Temperature : 5 to 45 oC
Humidity : 0 to 95% R.H.

Ordering Information

Part No
5 metre bundle 112144/5:
microCHEM-Conductivity, 5m.....................112144/5

5 metre Option Includes:
k=1 Cond/ATC sensor 5m, plastic................112206
200ml Conductivity standard to suit customer-specified range

Options and Accessories
Cable Extension:
Extended cable/metre...........................130040

Same Price Interchange Option:
Choose between k=0.1, k=1 and k=10 Range Conductivity Sensors
k=10 Cond-ATC sensor 5m, plastic..............112207
k=0.1 Cond-ATC sensor 5m, plastic..............112205

Download this Specification Sheet in PDF format (0.26MB, .PDF)
Download the manual for this instrument (0.2MB, .PDF)

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