M8 Threaded Stainless Steel NTC 10K Ohm Beta 3950K Probe Assembly

M8 Threaded Stainless Steel NTC 10K Ohm Probe Shape and Dimension

M8 threaded steel NTC 10K ohm beta 3950K probe

Unit: mm

Glass encapsulated NTC thermistor R25: 10KΩ±1%,Beta value B(25/50): 3950K is potted in the stainless steel case.

  1. Stainless steel tube case, material SUS304, dimension Φ5.0×30mm
  2. Screw nut: Stainless steel, SUS304, S=10×5mm+M8×1.0
  3. Potting and Sealing Epoxy Resin, black color.
  4. Wire Cable UL2651 26AWG 300V 105℃, black
  5. Connector: Contact SEH-001T-P0.6, Housing EHR-2, Connector can also be deleted with bared end cable.

M8 Threaded Steel NTC Probe Application

For temperature sensing measurement of liquid, water, air, etc. Ideal for vessel and pipe installation. Typical application water heater boilers, and other industrial equipment machine appliance.

M8 Threaded Steel NTC Probe Electric Characteristics Data

Resistance at 25C R25: 10K ohm+/-1%,
Beta Value B(25/50): 3950K+/-1%
Dissipation Factor: 3 mw/℃ min.
Thermal Time Constant (in water): 25 seconds max.
Insulation resistance: 500VDC, 100 MΩ
Voltage withstanding: 1200VAC, 2mA, 3 seconds
Operating temperature range: -30 to +105C

M8 Threaded Steel NTC 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 visible damage

M8 Threaded Steel NTC 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: 100 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. 100C/30 minutes
4. 30C/5minutes.
Number of cycles: 5 Cycles
≤3% No visible damage

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