NTAA3 Industrial RTD Probe Assembly

Brand: Tel-Tru Manufacturing Co.

Features and options:
  • Probe: 316 Stainless steel with threaded fitting
  • 4-20 mA 2-wire loop-powered output, with single element thin film Pt100 3-wire RTD, accuracy class A ±0.06% at 0° C (32° F) (coefficient 0.00385)
  • Measurement range: -50° to 160° C (-60° to 300° F)
  • High accuracy, long term stability, consistent repeatability
  • Fast response time
  • All-welded construction
  • Direct installation into process piping
  • Models integrated with a compact transmitter

Specifications

Accuracy

  • ± (0.10° C (0.18° F) + 0.10 % of Calibrated Span) with Two Point Calibration
  • ± (0.25° C (0.45° F) + 0.40 % of Span) with One-Point Calibration
  • Class A ± 0.06 % at 0° C (32° F) (Coefficient 0.00385)

Applications

  • Chemical Plants
  • Food & Dairy Processing
  • Gas Pipelines
  • Paper Mills
  • Petrochemical Plants
  • Pharmaceutical Industries
  • Refineries
  • Utilities

Approvals & Certifications

  • Pt100: IEC 751 Class A

Delay Time

  • Switch on Delay: 2 seconds

Electrical Connectors

  • M12 Plug, 4-Pin

Enclosure, Body Material

  • 316 Stainless Steel

Environmental Protection

  • IP67
  • NEMA 6

Insertion 'U' Length

  • 1” (2.54 cm) Min.

Isolation

  • 500 Vdc Input/Output

NPT Connection

  • 1/2” NPT Male
  • 1/4” NPT Male
  • 3/8” NPT Male

Operating Pressure

  • psig: 1,500 (kPa: 10,340, bar: 103) - Max.

Operating Temperature

  • -40° to 80° C (-40° to 176° F)

Output

  • 4-20 mA, 2-Wire Loop Powered

Power Supply

  • 9-32 Vdc, Polarity Protected

Power Supply Effect

  • 0.001 %/V

Response Time

  • Electronic: 1 second at Startup

RFI/EMI Effect

  • RFI Effect: 1 % or Less Typical

Sensor Circuit

  • Sensor Open Circuit (Downscale): 2.5 mA
  • Sensor Open Circuit (Upscale): 24 mA

Sensor, Probe Diameter

  • Probe: 0.187” (4.75 mm)
  • Probe: 0.250” (6.35 mm)

Sensor, Probe Length

  • Probe: 2.5” to 18” (63.5 to 457.2 mm)

Sensor, Probe Material

  • 316 Stainless Steel with Threaded Fitting

Sensor, Probe Type

  • Thin Film Pt100 3-Wire RTD

Span - Minimum

  • Sensor: 25° C (45° F)

Storage Temperature

  • -40° to 80° C (-40° to 176° F)

Temperature Effect

  • ± 0.001 % of Span/°C

Temperature Range

  • Sensor: -50° to 150° C (-58° to 302° F)

Termination

  • M12 without or with Mating Connection & Cable

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