Espec BTL-433
Temperature & Humidity Chamber, -20C to 180C, 4 Cu Ft

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Available Option Configurations

Config-02

• CAM LIGHT - Interior Camera Light (-10 to 60C)
• MOBILE CART AND TANK - Mobile cart with integrated humidity water tank & Pump
• OVERCOOL - Overcool Protector
• SHELF - Adjustable Wire Shelf
• WINDOW - Integrated Window
• MSRP: $22,620 | Available for Rental    GET QUOTE  

Config-04

• RS-232 - RS-232 Interface
• SHELF - Adjustable Wire Shelf
• MSRP: $15,860 | Available for Rental    GET QUOTE  

Product Overview

ESPEC BTL-433 CRITERION TEMPERATURE HUMIDITY CHAMBER

The ESPEC BTL-433 Temperature Humidity Chamber is part of the Criterion Series. With a narrower footprint and increased performance, the BTL-433 est chamber provides an economical and space-saving solution for cramped labs needing to do a variety of temperature and humidity testing.

All of the ESPEC Criterion models have a 19.5 inch wide interior, which is 3.5 inches more than traditional benchtops, yet the exterior is 20% narrower. The four cubic foot model BTL-433 has the largest workspace found in a benchtop unit, while maintaining the smallest exterior footprint.

For additional space savings, the refrigeration system ventilates out the top, and utility connections are on the sides, thus allowing installation directly against a wall. With the electrical system behind the hinged control panel, minimal space allowance is required on the sides, as well.

The Criterion BTL-433 can cycle temperatures at rates up to 1.5°C/m heat-up and 1.2°C/m cool-down, without requiring liquid nitrogen. Significant test time can be saved, as well as creating added thermal stress on your sample

An innovative new layout of system components helps make Criterion chambers have the smallest footprint. Keeping the refrigeration compressors and blower fan to the back of the chamber also reduces noise to the room.

The Watlow F4T programmer/controller from Watlow is best of breed. It stores up to 40 different test profiles. Programming steptypes available are: ramp, soak, jump/repeat, auto-start, and end. Optional software is available for full remote management and datalogging capability. One event relay with external output terminal is included for activating other equipment during operation.

Specifications of the Espec BTL-433 Temperature Humidty Chamber include:

• Interior Volume: 4 cu. ft. / 110 Liters
• Interior Dimensions: (W x D x H) 19.6" x 15" x 23.6" / 500 x 380 x 600 mm
• Exterior Dimensions: (W x D x H) 30.25" x 33.5" x 46" / 770 x 850 x 1170 mm
• Temperature Range: -20° to 180°C  -4° to 354°F
• Humidity Range: (see datasheet chart for detail): 10% - 95% RH
• Average Change Rate (rates lower with 50Hz power): 1.5°C/min heat & 1.2°C/min cool (empty)
• Power: 115V, 16A max
• Temperature Fluctuation (at control sensor): ±0.5
• Humidity Fluctuation (at control sensor): ±5

Features of the Espec BTL-433 include:

• High performance and quiet operation (65 dBa)
• Space-saving footprint, designed for flush installation to wall
• Stainless steel exterior
• Full thermal break around doorframe
• One 50mm (2") diameter cable port on left, with flexible silicone plug
• Three levels of overheat protection, plus overcool protection
• Easy lift-off service panels, electrical access on left
• Detachable eight-foot power cord with plug
• Direct water supply connection for continuous operation (supply tank optional)
• ETL listed electrical panel conforming to UL 508A