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DISCONTINUED - 3-1/2 Digit (Pt100) RTD Meters, 1/8 DIN

3-1/2 Digit (Pt100) RTD Meters, 1/8 DIN


Item# DP302-RF

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 $315.00
10-24 $299.25
25-49 $283.50
50-99 $267.75
100-499 $252.00
500+ $236.25

In stock

Limited Stock
3-1/2 Digit (Pt100) RTD Meters, 1/8 DIN DP302-RF DP302-RF
  • Platinum 100 O RTD Input
  • 1 mA Excitation Current
  • 2-, 3- or 4-Wire Connection
  • -200 to 820°C in 1°C Steps (-M)
  • -199.9 to 199.9°C in 0.1°C Steps (-R)
  • °C or °F, Jumper-Selectable
  • Platinum Curve Linearization
  • 120 dB CMR, 70 dB NMR
  • 1 or 10 mV/deg Linearized Recorder Output
  • Bright, 14 mm (0.56") LED Display
  • Display Hold and Test
  • 115/230 Vac Power
  • EMI/RFI Filter for AC Power
  • Screw-Terminal Barrier Strip
  • Short 104 mm (4.1") Deep ¹/8 DIN Case Options
  • Isolated 9 to 32 Vdc Power or 26 to 56 Vdc Power
  • NEMA 4 (IP65) Splash-Proof Lens Cover

DP302-RF Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Display Color
Display Digit Height
Display Type
Excitation Levels
Form Factor
Input Range
Number of Display Digits
Number of Inputs
RTD Types Supported
Specifications Input Type
Supply Voltage

This product is no longer available. Please see HGST as a possible alternative or contact our Engineering department for a viable replacement.

The DP302-M and -R are low-cost 3-1/2 digit (±1999 count) temperature indicators for use with platinum 100 O RTD’s with alpha of 0.00385. They are complete with 1 mA sensor excitation, sensor-break detection, and platinum curve linearization. Resolution is 1° (-M) or 0.1° (-R). Readout can be in °C or °F, as selected by push-on jumpers. The electrical connection can be by 2-, 3-, or 4-wires. High accuracy is provided by positive current feedback and matched, graded components.

Mechanical features include a bright 14 mm (0.56") display, a screw-terminal barrier strip for signal and power, and a compact 1/8 DIN case that requires less than 104 mm (4.1") behind the panel. Electrical features include jumper selection of °C or °F, a linearized recorder output of 1 or 10 mV per degree, and 1 mA current excitation. The current source is tied to the reference of the A/D converter for true ratiometric operation and immunity to changes in line voltage.

Options are isolated 9 to 32 Vdc or 26 to 56 Vdc power, a PCB edge connector for display control and output of 4.7 Vdc and -4.7 Vdc power, and a splash-proof lens cover which meets NEMA 4 (IP65) requirements.
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