Electrically Isolated RTDs

LEAD LENG T HCASE LENG T H 3.0" (76 mm) R T D ST A I NLE SS P ROBE IS O LA T I O NINSULA 1 5" (5.5 mm)DIAME TO R0.2 T ER LEAD LENG T HCASE LENG T H0. F I BERGLA SS P ROBE 1 88" ( mm)DIAME T ER

Overview Isolated tip RTDs

•Electrically isolated sensing tip for “hot”bearings.•Accurate sensing to 260°C (500°F), 155°C (311°F) for fiberglassprobes.•Copper alloy tip for fast time response and increased tip sensitivity. RTD sensing element Model Platinum (0.00392 TCR)100 Ω ±0.5% at 0°C S52PA Platinum (0.00385 TCR)100 Ω ±0.1% at 0°C(Meets EN60751, Class B) S852PD Platinum (0.00385 TCR)100 Ω ±0.5% at 0°C S882PE Copper (0.00427 TCR)10 Ω ±0.2% at 25°C S52CA

Specifications

1000 volts RMS at 60 Hz for 30 seconds, between case sections, 1 mA max. leakage current. Nickel (0.00672 TCR)120 Ω ±0.5% at 0°C S52NA Dielectric strength of isolation insulator and fiberglass tubing: Pressure rating: 30 psi (2.1 bar). Vibration: Withstands 10 to 2000 Hz at 20 G’s minimum perMIL-STD-202, Method 204, Test Condition D. Temp. Range: -50 to 260°C (-58 to 500°F). Case: Stainless steel with copper alloy tip.Minimum case length: 4.0" (101.6 mm). Maximum case length: 48" (1220 mm), longer on special order. Shock: Withstands 100 G’s minimum sine wave shock of 8 milliseconds duration. Leads: 2, 3, or 4 leadwires, AWG 22, stranded copper with PTFEinsulation. For 2-lead RTDs add 0.03 Ω per foot of combinedcase and lead length to element tolerance. Time constant: 2 seconds typical in moving water. Insulation resistance: 1000 megohms min. at 500 VDC, leads to case.

Fiberglass sheath RTDs

RTD sensing element Model Platinum (0.00392 TCR)100 Ω ±0.5% at 0°C S101659PA

Specification and order options

Platinum (0.00385 TCR)100 Ω ±0.1% at 0°C(Meets EN60751, Class B) S101659PD S52CA Model number from isolated tip or fiberglasssheath table Platinum (0.00385 TCR)100 Ω ±0.5% at 0°C S101659PE Copper (0.00427 TCR)10 Ω ±0.2% at 25°C S101659CA 355 Case length: Specify in 0.1" increments (Ex: 355 = 35.5 inches) Nickel (0.00672 TCR)120 Ω ±0.5% at 0°C S101659NA Z Number of leads: Temperature Range: -50 to 155°C (-58 to 311°F). Y = 2 leadsZ = 3 leads X = 4 leads (PD only) Case: Filament braided glass/epoxy tubing with copper alloy tip.Minimum case length: 3.0" (101.6 mm). Maximum case length: 40" (1220 mm). Leads: 2 (not available with CA element models), 3, or 4 lead-wires, AWG 22, stranded copper with PTFE insulation. For 2-lead RTDs add 0.03 Ω per foot of combined case and leadlength to element tolerance. 36 Lead length in inches S52CA355Z36 = Sample part number Time constant: 2.5 seconds typical in moving water.

Specify and order products at:

Insulation resistance: 1000 megohms min. at 500 VDC, leads to tip.

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Specifications subject to change Page 3-8

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