This Cone Probe (compliant with UL 1278 Figure 10.1) is a specialized safety tool designed for testing movable, wall-hung, and ceiling-hung electric room heaters. It features a precision-engineered conical shape—critical for simulating accidental human contact with hazardous hot or mechanical parts. Made from heat-resistant stainless steel to withstand high temperatures near heater elements, it’s paired with an insulating nylon handle for safe grip during testing. Lightweight yet rigid, it ensures consistent compliance checks, verifying that dangerous components remain inaccessible, and strictly aligns with UL’s latest safety protocols for heater manufacturers and testing labs.
Standards:
| Standards No. | Clause/Figure | Standards Name |
| UL 1278:2023 | Figure 10.1 | Standard for Safety Movable and Wall-or Ceiling-Hung Electric Room Heaters |
Specifications:
Probe Type: Cone Probe (UL 1278 Figure 10.1 compliant for electric heater testing)
Probe Material: Heat-resistant stainless steel (resists deformation at high temperatures)
Handle Material: Nylon (insulating, non-slip, and heat-resistant for safe operation)
Key Dimensions:
– Base Diameter: 1.25 inches (31.75 mm)
– Tip Diameter: 0.25 inches (6.35 mm)
– Total Length: 4 inches (101.6 mm)
(precision-machined to match UL 1278 Figure 10.1 requirements)
Core Function: Verifies inaccessibility of hazardous hot elements or mechanical parts in electric room heaters
Applied Force: No appreciable force (mimics light, accidental user contact)
Test Procedures:
1. Inspect the probe for damage (e.g., dents, rust, or cracked handle).
2. Power on the electric heater and allow it to reach normal operating temperature.
3. Hold the nylon handle and align the cone’s tip with potential access points (e.g., grilles, gaps).
4. Gently guide the probe toward hazardous parts (e.g., glowing heating elements).
5. Check if the probe touches any dangerous components.
6. Record whether the heater meets UL 1278 safety requirements (pass/fail).
Applications:
1. Safety testing of movable electric space heaters (per UL 1278:2023 Figure 10.1).
2. Compliance checks for wall-hung electric room heaters to block access to hot elements.
3. Verification of ceiling-mounted electric heaters (e.g., office or warehouse models) for burn hazards.
4. Quality control for commercial electric heaters (e.g., hotel lobby or restaurant heaters) during production.
5. Post-manufacturing safety audits of residential electric room heaters to ensure UL compliance.
Cone Probe with UL1278 Fig.10.1
Tags：SMT-SM206 , UL 1278 
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