RTD Temperature Sensor Transmitter

100 Ohm Platinum PRT Probe IP Alert, how to
resistance temperature detectors thermometer

Server Environment Monitoring System RTD Sensors

RTD Temperature Sensors & Transmitters compatible with ENVIROMUX-2D, ENVIROMUX-5D and ENVIROMUX-16D


RTD Transmitters

100 Ohm Platinum RTD Transmitter

ENVIROMUX-RTDT-xxx 100 Ohm Platinum RTD Transmitter
ENVIROMUX-RTDT-140
ENVIROMUX-RTDT-240
  • Use to connect RTD temperature sensors to the ENVIROMUX-2D/5D/16D or ENVIROMUX-SEMS-16U.
  • Available temperature ranges:
    • ENVIROMUX-RTDT-140: -20 to 140°F (-28 to 60°C).
    • ENVIROMUX-RTDT-240: 30 to 240°F (-1 to 115°C).
  • Accurate to within ±0.8°F (±0.45°C).
  • Configuration: 2-wire connection
  • Sensor Element: 100Ω platinum
  • Signal Output: 4-20 mA, loop-powered
  • Requires the ENVIROMUX-S420MA-24V and an RTD sensor probe to operate with the ENVIROMUX-2D/5D/16D or ENVIROMUX-SEMS-16U.
  • Single gang weather resistant enclosure.
  • Dimensions WxDxH: 2.81x4.50x2.13 in (71x114x54 mm)
  • Regulatory approvals: CE
NTI Part # Price Quote
ENVIROMUX-RTDT-140 $95.00
ENVIROMUX-RTDT-240 $95.00

High-Accuracy Platinum RTD Transmitter, -328°F to 1562°F

ENVIROMUX-RTDT-1562 High-Accuracy RTD Transmitter
ENVIROMUX-RTDT-1562
  • Use to connect 100Ω platinum RTD temperature sensors to the ENVIROMUX-2D/5D/16D.
  • Temperature range: -328 to 1562°F (-200 to 850°C)
  • Accurate to within ±0.2°F (±0.1°C)
  • Configuration: 2, 3, or 4-wire connection
  • Signal Output: RS485
  • Interfaces with the ENVIROMUX-2D/5D/16D via the RJ45 sensor port
  • Din rail mount housing.
  • Dimensions WxDxH: 5.08x4.09x0.89 in (129x104x23 mm)
  • User-configurable to also support 120Ω nickel or 10Ω copper RTD sensors
    • Ni120 RTDs: -112 to 500°F (-80 to 260°C)
    • Cu10 RTDs: -143 to 500°F (-97 to 260°C)
Downloads & References
NTI Part # Price Quote
ENVIROMUX-RTDT-1562 $423.00

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RTD Sensors

Mini Probe 100 Ohm RTD Sensor, -67°F to 240°F

ENVIROMUX-RTDS-MP240 Mini Probe 100 Ohm RTD Sensor
ENVIROMUX-RTDS-MP240
  • 0.19" (4.8 mm) round x 0.50" (13 mm) long stainless steel housing.
  • Applications from -67 to 240°F (-55 to 115°C).
  • Accurate to within ±0.27°F (±0.15°C).
  • 100 Ohm Pt 385 curve.
  • 18" (457 mm) 2-wire lead.
  • Regulatory approvals: CE
  • Requires the ENVIROMUX-RTDT-140/240 and ENVIROMUX-S420MA-24V to operate with the ENVIROMUX-2D/5D/16D or ENVIROMUX-SEMS-16U.
NTI Part # Price Quote
ENVIROMUX-RTDS-MP240 $26.00

Duct 100 Ohm RTD Sensor, -67°F to 240°F

ENVIROMUX-RTDS-D240 Duct 100 Ohm RTD Sensor
ENVIROMUX-RTDS-D240
  • Rugged, waterproof sensor with 9" (229 mm) 304 stainless steel probe with 4" (102 mm) electrical strap and a nylon fitting.
    • Nylon fitting with 1/2" NPT female thread.
  • Applications from -67 to 240°F (-55 to 115°C).
  • Accurate to within ±0.27°F (±0.15°C).
  • 100 Ohm Pt 385 curve.
  • 18" (457 mm) 2-wire lead.
  • Designed for direct mounting on sheet metal duct systems.
  • Regulatory approvals: CE
  • Requires the ENVIROMUX-RTDT-140/240 and ENVIROMUX-S420MA-24V to operate with the ENVIROMUX-2D/5D/16D or ENVIROMUX-SEMS-16U.
NTI Part # Price Quote
ENVIROMUX-RTDS-D240 $58.00

Encapsulated 100 Ohm RTD Sensor, 35°F to 140°F

ENVIROMUX-RTDS-E140 Encapsulated 100 Ohm RTD Sensor
ENVIROMUX-RTDS-E140
  • 0.17" round, 0.50" long housing.
  • Applications from 35°F to 140°F (2°C to 60°C).
  • Accurate to within ±0.6°F (±0.33°C).
  • 100 Ohm Pt 385 curve.
  • 8 feet, 24 AWG 2-wire leads
  • Intended for indoor use only, in areas not subject to moisture or condensation.
  • Suitable for remote temperature sensing for building automation systems and mechanical equipment room instrumentation
  • Small enough to be installed in most HVAC thermostat enclosures.
  • Regulatory approvals: CE
  • Requires the ENVIROMUX-RTDT-140/240 and ENVIROMUX-S420MA-24V to operate with the ENVIROMUX-2D/5D/16D or ENVIROMUX-SEMS-16U.
NTI Part # Price Quote
ENVIROMUX-RTDS-E140 $26.00

Rugged Encapsulated 100 Ohm RTD Sensor, -30°F to 230°F

ENVIROMUX-RTDS-ER230 Rugged Encapsulated 100 Ohm RTD Sensor
ENVIROMUX-RTDS-ER230
  • 0.18" round, 0.50" long housing.
  • Applications from -30°F to 230°F (-34°C to 110°C).
  • Accurate to within ±0.6°F (±0.33°C).
  • 100 Ohm Pt 385 curve.
  • 8 feet, 24 AWG 2-wire leads
  • Immune to the effects of moisture and condensation.
  • Suitable for remote temperature sensing for building automation systems and mechanical equipment room instrumentation
  • Small enough to be installed in most HVAC thermostat enclosures.
  • Regulatory approvals: CE
  • Requires the ENVIROMUX-RTDT-140/240 and ENVIROMUX-S420MA-24V to operate with the ENVIROMUX-2D/5D/16D or ENVIROMUX-SEMS-16U.
NTI Part # Price Quote
ENVIROMUX-RTDS-ER230 $32.00

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Sensor Accessories

4-20mA Sensor Converter

ENVIROMUX-S420MA - 4-20mA Sensor Converter
ENVIROMUX-S420MA-24V
  • External RJ45 device monitors up to two 4-20 mA analog sensors
  • Supports ISA Type 2, ISA Type 3, and ISA Type 4 sensors
  • Provides 24VDC, 25 mA for each sensor
  • Connector: Screw Terminal, 8-position.
  • Supports CAT5/5e/6 cable up to 500 ft. (152 m)
  • Includes Mounting Hardware.
  • Powered by ENVIROMUX-2D/5D/16D.
  • Regulatory approvals: RoHS.
Downloads & References
NTI Part # Price Quote
ENVIROMUX-S420MA-24V $105.00

Sensor Cables

ENVIROMUX-2W-xx - Sensor Cables
ENVIROMUX-2W-xx
  • 2-wire sensor cable.
  • Use to connect dry contact sensors to the ENVIROMUX-2D/5D/16D.
  • Available lengths (ft): 3/6/10/25/50/100/300/500
  • Regulatory approvals: RoHS, UL
Downloads & References
NTI Part # Length Price Quote
ENVIROMUX-2W-3 3 ft $1.50
ENVIROMUX-2W-6 6 ft $3.00
ENVIROMUX-2W-10 10 ft $5.00
ENVIROMUX-2W-25 25 ft $12.50
ENVIROMUX-2W-50 50 ft $25.00
ENVIROMUX-2W-100 100 ft $50.00
ENVIROMUX-2W-300 300 ft $150.00
ENVIROMUX-2W-500 500 ft $250.00

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