Flanged Stainless Steel with 1 Mounting Hole NTC 231.5K Ohm 250C High Temperature Probe Assembly

Flanged Stainless Steel 1 Mounting Hole Probe Shape and Dimension

Flanged stainless steel oven probe

Unit: mm

  1. NTC Thermistor: Glass encapsulated NTC thermistor R25: 231.5KΩ±2% Beta value B(25/85): 4240K
  2. Stainless Steel Case, 304, Φ4X25+22.5X12mm.
  3. Teflon Tube, 14LX60 mm, 260C, transparent color.
  4. Wire Cable: UL10362, 300V, 250C, black

Flanged Stainless Steel Probe Application

Glass encapsulated thermistor, housed in stainless steel sheath, with rectangle flange, round tip and 1 mounting hole. For temperature measurement upto 250C. Reliable operation in hot, damp and fatty air. Applicable for  industrial process control, heater, oven, electric cooker, roaster, toaster, etc.

Flanged Stainless Steel Probe Electric Characteristics Data

Resistance at 25C R25: 231.5K ohm+/-2%,
Beta Value B(25/85): 4240K
Dissipation Factor: 5 mw/℃ min.
Thermal Time Constant (in water): 15 seconds max.
Insulation resistance: 500VDC, 100 MΩ
Voltage withstanding: 1800VAC, 1mA, 2 seconds
Operating temperature range: -30 to +250C
Storage temperature: -10℃~+40℃, relative humidity ≤75% RH

Flanged Stainless Steel Probe Mechanical Performance Test

Test Item Test Condition Performance Request
Lead Wire Tensile Pulling Applying force 9.8N(1KGF)along lead wire direction, for 1 minute. No cracks in the resin and wire bonding, No visible damage
Falling down Falling down from 1 meter high to 10mm thick oak wooden board, 5 times. No cracks in the resin and wire bonding, No visible damage

Meat Temperature Probe Reliability Data

Test Item Standard Test Conditions ΔR25/R25 (typical) Remarks
Low temperature storage IEC 60068-2-1 Storage at low category temperature. Temperature: -30 oC Time: 1000 hours ≤3% No visible damage
Storage in dry heat IEC 60068-2-2 Storage at upper category temperature. Temperature: 200 oC Time: 1000 hours ≤3% No visible damage
Storage in damp heat, steady state (Humidity test) IEC 60068-2-3 Temperature: 40oC,
Humidity:90%-95% RH,
Duration:1000 hours
≤3% No visible damage
Rapid temperature cycling IEC 60068-2-14 1. -30C/30 minutes
2. 30C/5minutes
3. 200C/30 minutes
4. 30C/5minutes.
Number of cycles: 5 Cycles
≤3% No visible damage

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