AD34

Submersible Temperature Sensor

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Installation Data Conversion Specifications Environmental Characteristics Physical Characteristics US Pricing

AD34 Temperature Sensor

The AD34 Submersible Temperature Probe may be used for measurement of water or air temperature. An easy-to-use sensor with linear output, the AD34 provides a cost-effective solution in applications that do not require high-precision. It has an input range of –50°C to +125°C and full-scale linearity error of +/- 1.5°C. The output range is 0-2.5V. The AD34 includes 2 metres of cable but can be ordered with additional length up to 35m.

Installation

1. Connect the red wire of the AD34 to a 5VDC supply. On PDAS loggers this terminal is labelled ‘5VDC REF’.
2. Connect the white wire to an analog input with a range of at least 0-2.5VDC. Use channel 3 or 4 if connecting to a rev C or D PDAS logger. Select any channel if connecting to a rev E (or later) PDAS logger.
3. Connect the black wire to the analog ground terminal.

Data Conversion

The voltage output of the sensor is converted to degrees °C using the following SCALE and OFFSET:
SCALE = 70
OFFSET = -50

Specifications

Sensor

LM50CIM3-ND SM

Sensor Output

0-2.5VDC

Accuracy

+/-1 °C F.S.

Connections

Tinned wire ends as follows:

• RED: 5VDC REF (supply)
• BLACK: GROUND
• WHITE: 0-2.5V output

Environmental Characteristics

Operating : -40 to +125 C

Physical Characteristics

Width - approx. 10 mm. (0.4 in)
Length - approx. 40 mm. (1.5 in)

The above information is believed to be true at the time of printing. AMASS Data Technologies Inc. reserves the right to modify specifications without notice. All trademarks are owned by their respective companies.

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