Overview
The Trend 3956K715 is an industrial-grade bimetal dial thermometer featuring a -50/+50°C temperature range, 3-inch dial face, and 9-inch stainless steel probe with 1/2″ NPT process connection. Trend thermometers are manufactured by Wika and engineered for fast, accurate, and easy-to-read temperature measurements in demanding industrial environments. This model delivers reliable performance without mercury, making it compliant with environmental safety standards.
Key Features
- Bimetal sensing element for accurate temperature measurement
- 3-inch dial with anti-parallax design for clear, glare-free readings
- 9-inch (approximately 230mm) stainless steel probe with 1/2″ NPT connection
- 304 stainless steel construction for corrosion resistance
- Hermetically sealed case protects against dust, moisture, and fogging
- Viscous silicone-damped pointer reduces oscillation
- Wide temperature range: -50°C to +50°C (-58°F to +122°F)
Technical Specifications
- Temperature Range: -50/+50°C (-58/+122°F)
- Dial Size: 3 inches
- Probe Length: 9 inches
- Process Connection: 1/2″ NPT
- Probe Material: 304 stainless steel, TIG-welded
- Case Material: 304 stainless steel
- Crystal Type: Fully gasketed glass (standard)
- Dial Face: Anti-parallax aluminum with white matte finish
- Accuracy: ±1% of full scale or ±1°C
- Mounting: Back-connected
- Guarantee: 1 year
Typical Applications
- Industrial process temperature monitoring
- HVAC heating and cooling systems
- Chemical and pharmaceutical plants
- Water/steam systems
- Refrigeration and freeze protection applications
- Commercial kitchen equipment and food processing
- General-purpose laboratory temperature measurement
Compatibility & Replacements
Compatible With
- Standard industrial process piping and systems with 1/2″ NPT thread
- HVAC equipment and water circulation loops
- Chemical storage tanks and vessels
- Steam and hot water distribution systems
- Refrigeration lines (low-temperature applications)
Replaces / Drop-In Replacement For
- Equivalent Trend bimetal thermometers with 3″ dial, 9″ probe, 1/2NPT
- Wika-branded equivalents with matching specifications
- Legacy mercury-in-glass thermometers (non-toxic upgrade)
Works With
- Standard 1/2″ NPT threaded process connections
- Industrial piping systems (schedule 40, schedule 80)
- Thermowells and immersion fittings (verify thread match)
- Manual temperature logging and monitoring workflows
