Winters Instruments General Purpose Submersible Transmitter, LM7
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LM7300

Series: LM7 General-Purpose Submersible Transmitter Brand: Winters Instruments
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  • Pressure Range - psi: 0 to 300

Specifications

Brand

Accuracy

  • ≤ ± 0.5 % of Full Scale Output

Approvals & Certifications

  • CE
  • CSA
  • EMC Directive: 2004/108/EC
  • RoHS

Burst Pressure

  • psi: 58 to 725 (kPa: 400 to 5,000, bar: 4 to 50)

Cable Material

  • Cable with Sheath: FEP (Black)
  • Cable with Sheath: PUR (Black)
  • Cable with Sheath: PVC - Grey

Cap Material

  • Protection Cap: POM

Capacitance

  • Cable Capacitance (Signal Line / Shield & Signal Line / Signal Line): 160 PF/m

Circuit Protection

  • EMI/RFI Protected: Emission & Immunity According to EN 61326
  • Reverse Polarity Protection
  • Short Circuit Protected

Consumption

  • Current Consumption, Current: 25 mA - Max.
  • Current Consumption, Voltage: 7 mA - Max.

Diaphragm Material

  • Ceramic AI2O3 96 %

Enclosure, Body Material

  • 316L Stainless Steel

Environmental Protection

  • IP67
  • IP68
  • NEMA 6P

Inductance

  • Cable Inductance (Signal Line/Shield & Signal Line/Signal Line): 1 µH/m

Load

  • Current 3-Wire: Rmax = 500 ohms
  • Voltage 3-Wire: Rmin = 10 kiloohms

Load Effect

  • 0.05 % of Full Scale Output / kiloohms

Output

  • 2-Wire: 4-20 mA/Vs = 8-32 Vdc
  • 3-Wire: 0-10 V/Vs = 14-30 Vdc
  • 3-Wire: 0-20 mA/Vs = 14-30 Vdc

Overpressure & Static Pressure Limits

  • Overpressure psi: 9 to 580 (kPa: 62 to 4,000, bar: 0.62 to 40)

Power Supply Effect

  • 0.05 % of Full Scale Output / 10 V

Pressure Range

  • bar: 0 to 20.7
  • kPa: 0 to 2,068
  • psi: 0 to 300

Process Temperature

  • -10° to 70° C (14° to 158° F)

Response Time

  • ≤ 10 milliseconds

Seat / Seal Material

  • Seal: EPDM
  • Seal: FKM
  • Seal: Kalrez
  • Seal: Viton

Storage Temperature

  • -25° to 70° C (-13° to 158° F)

Temperature Effect

  • ≤ ± 0.2 % of Full Scale Output/10 K

Documentation

Data Sheets

View Product Series

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