Espec

Espec BTX-475

Temperature & Humidity Chamber, -70C to 180C, 4 Cu Ft
-73°C to +177°C (-99°F to +350°F) Temperature Range
4.9 cubic feet (138 liters) Interior Volume
±2.0°C Temperature Uniformity
±0.5°C Temperature Stability
Mechanical refrigeration, single-stage cascade system Cooling System
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Attribute Value
Temperature Range -73°C to +177°C (-99°F to +350°F)
Interior Volume 4.9 cubic feet (138 liters)
Temperature Uniformity ±2.0°C
Temperature Stability ±0.5°C
Cooling System Mechanical refrigeration, single-stage cascade system
Heating System Electric resistance heater
Controller Programmable digital controller with touchscreen interface
Power Requirements 208-230V, Single Phase, 60 Hz
Exterior Dimensions (W x D x H) Approximately 34" x 32" x 60"
Refrigerant Type R-404A / R-23 (cascade system)
Espec BTX-475 Options:
  • BTX-475 - Cabinet Option - Roll-around cart with storage cabinet (suitable for chart recorder placement)
  • BTX-475 - Cabinet Option - Cable ports: 2", 4", or 6" diameter (50, 100, or 150mm). One 2" port is standard on the left wall.
  • BTX-475 - Cabinet Option - Adjustable stainless-steel shelving
  • BTX-475 - Cabinet Option - Heated viewing window with interior light, 6"x12" (4 cubic foot model)
  • BTX-475 - Operational Option - Liquid nitrogen (LN2) injection boost for faster cooling
  • BTX-475 - Operational Option - Emergency stop 'mushroom' button
  • BTX-475 - Operational Option - Safety features for testing lithium ion batteries or other potentially volatile products
  • BTX-475 - Humidity Option - Solid-state humidity sensor in place of wet-bulb
  • BTX-475 - Humidity Option - External water supply tank with recirculating capability
  • BTX-475 - Humidity Option - Water supply tank system as a roll-around cart for the unit
  • BTX-475 - Humidity Option - Water filter (de-ionizing type)
  • BTX-475 - Humidity Option - Extended low humidity range to 5°C/15%
  • BTX-475 - Instrumentation Option - Web Controller for network access via web browser
  • BTX-475 - Instrumentation Option - RS-485 or RS-232 serial interface
  • BTX-475 - Instrumentation Option - Chino paperless recorders with Ethernet and email alarms
  • BTX-475 - Instrumentation Option - Honeywell circular-chart recorders
  • BTX-475 - Instrumentation Option - Control sensor outputs for customer use
Calibration Form Espec BTX-475

Repair Form Espec BTX-475
Maximum file size: 40MB

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ModelBTX-475

The Espec BTX-475 is a benchtop environmental test chamber designed for precise temperature and humidity cycling. Its wide operational range and rugged build make it suitable for both research and industrial quality assurance. Compact in size yet high in capacity, it ensures reliable simulation of demanding environmental conditions with user-friendly controls.

Engineered for efficiency, the BTX-475 offers accurate environmental cycling within a benchtop format, saving space while providing high performance. Its durability and ease of operation support consistent and repeatable testing.

Testwall can supply the used Espec BTX-475, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Espec BTX-475.

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