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.
    • Powered by ENVIROMUX-2D/5D/16D.
  • Single gang weather resistant enclosure.
  • Dimensions WxDxH: 2.81x4.50x2.13 in (71x114x54 mm)
  • Regulatory approvals: CE
NTI Part # Price Quote Buy
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)
    • When used with the ENVIROMUX-2D/5D/16D, the supported range is -89 to 738°F (-67 to 392°C. Call an NTI product consultant to have the range expanded on the ENVIROMUX system.
  • Accurate to within ±0.2°F (±0.1°C)
    • If the connected RTD sensor does not support this high of accuracy, the system will revert to the accuracy of the sensor.
  • Configuration: 2, 3, or 4-wire connection
  • Signal Output: RS485
  • Interfaces with the ENVIROMUX-2D/5D/16D via the RJ45 sensor port
    • Includes 7 ft pre-wired RJ45 cable with attached coupler to extend the transmitter up to 1000 feet (328 m) using CATx cable.
  • Din rail mount housing.
  • Dimensions WxDxH: 5.08x4.09x0.89 in (129x104x23 mm)
  • Includes pre-stripped country-specific line cord with tinned strands.
  • Operating temperature: 32 to 131°F (0 to 55°C).
  • Storage temperature: -40 to 185°F (-40 to 85°C).
NTI Part # Price Quote Buy
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
  • Applications from -67 to 240°F (-55 to 115°C).
  • Accurate to within ±0.27°F (±0.15°C).
  • Probe size: 0.19" (4.8 mm) round x 0.50" (13 mm) long stainless steel housing.
  • Cable length: 18" (457 mm) 2-wire lead.
  • 100 Ohm Pt 385 curve
  • 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 Buy
ENVIROMUX-RTDS-MP240 $26.00

All-Purpose 100 Ohm RTD Sensor, -67°F to 221°F

ENVIROMUX-RTDS-A221 All-Purpose 100 Ohm RTD Sensor
ENVIROMUX-RTDS-A221
  • Rugged, point-sensitive waterproof sensor with 304 stainless steel probe and brass fitting.
  • Applications from -67 to 221°F (-55 to 105°C).
  • Accurate to within ±0.27°F (±0.15°C).
  • Probe size: 9" (229 mm)
    • Brass fitting with 1/2" NPT male thread.
  • Cable length: 18" (457 mm) 2-wire lead.
  • 100 Ohm Pt 385 curve.
  • Suitable for plenum mounting, duct mounting, immersion wells, or outside air.
  • 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 Buy
ENVIROMUX-RTDS-A221 $60.00

All-Purpose 100 Ohm RTD Sensor, -58 to 392°F

All-Purpose 100 Ohm RTD Sensor
ENVIROMUX-RTDS-A392
  • Rugged, point-sensitive waterproof sensor with stainless steel probe.
  • Applications from -58 to 392°F (-50 to 200°C).
  • Accurate to within ±1°F (±0.55°C).
  • Probe size: 0.25" (6.35 mm) round and 6" (152 mm) long.
  • Cable length: 6 ft (1.83 m) 3-wire lead with 13" (330 mm) lead wires and 1/3" (8 mm) stripped ends.
    • One white, two red.
  • Includes 15 ft (4.6 m) extension wire.
  • 100 Ohm Pt 385 curve.
  • Suitable for plenum mounting, duct mounting, immersion wells, or outside air.
  • Requires the ENVIROMUX-RTDT-1562 to operate with the ENVIROMUX-2D/5D/16D.
Downloads & References
NTI Part # Price Quote Buy
ENVIROMUX-RTDS-A392 $171.00

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 304 stainless steel probe.
  • Applications from -67 to 240°F (-55 to 115°C).
  • Accurate to within ±0.27°F (±0.15°C).
  • Probe size: 9" (229 mm) probe with 4" (102 mm) electrical strap and a nylon fitting.
    • Nylon fitting with 1/2" NPT female thread
  • Cable length: 18" (457 mm) 2-wire lead.
  • 100 Ohm Pt 385 curve.
  • 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 Buy
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
  • Applications from 35°F to 140°F (2°C to 60°C).
  • Accurate to within ±0.6°F (±0.33°C).
  • Probe size: 0.17" (4.3 mm) round, 0.50" (12.7 mm) long housing.
  • Cable length: 8 feet (2.4 m) 24 AWG 2-wire leads
  • 100 Ohm Pt 385 curve.
  • 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 Buy
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
  • Applications from -30°F to 230°F (-34°C to 110°C).
  • Accurate to within ±0.6°F (±0.33°C).
  • Probe size: 0.18" (4.57 mm) round, 0.50" (12.7 mm) long housing.
  • Cable length: 8 feet (2.4 m) 24 AWG 2-wire leads
  • 100 Ohm Pt 385 curve.
  • 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 Buy
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, 25mA for each sensor
  • Connector: Screw Terminal, 8-position.
  • Supports CAT5/5e/6 cable up to 1,000 ft. (305 m)
  • Includes Mounting Hardware
  • Dimensions (WxDxH): 4.15x2.3x1.2" (105x58x30 mm)
  • Powered by ENVIROMUX-2D/5D/16D.
  • Compatible with ENVIROMUX-2D/5D/16D.
  • Regulatory approvals: RoHS.
  • Compatible with ENVIROMUX-FSC Fiber Converter/Extender.
    • Use to extend sensor up to 1.2 miles (2 km) from the ENVIROMUX unit.
Downloads & References
NTI Part # Price Quote Buy
ENVIROMUX-S420MA-24V $105.00

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