Blue M Stacked Oven

Blue M stacked industrial ovens have earned a long-standing reputation for exceptional performance, long service life and ease of operation over a broad range of applications. The STL series integrally stacked Blue M mechanical convection oven is suitable for curing, drying, and baking in semiconductor, electronic, and many other industrial applications. 

Benefits of the Blue M Stacked Oven

  • Long service life
  • Easy operation for a variety of applications
  • Exceptional, uniform performance under all loading conditions


  • Heavy gauge steel exterior
  • 16 gauge or larger exterior panels
  • 4 inches of fiberglass insulation
  • Baked on Formica white powder paint finish
  • Blue M silicone door seal design
  • Horizontal airflow
  • Double plenum design
  • Blue M Eterna™ heating element
  • Premium alumina ceramic element insulators
  • Airflow switch


  • Temperature range: 15°C above ambient to 350°C (662°F)
  • Uniformity: ±1% of setpoint
  • Accuracy: +0.5°C
  • Resolution: ±0.1°C


  • Profiling or single setpoint temperature controls


  • STL-05 Oven Options
  • 24-hour, 7-day digital process timer
  • Circular or strip chart recorder
  • RS232/RS485 communications converter
  • Light tower
  • Emergency power off switch
  • Spec View data acquisition software
  • NIST traceable certificate of calibration
  • Dry box oven with N2 gas system
  • Engineered Oven Options
  • Lead-in pipes
  • Special control systems
  • Door interlocks
  • Standard air model
  • Reverse door hinges
  • 5-point thermocouple survey
  • Temperature deviation alarms
  • Filtered process air/atmosphere intake


Blue M warrants that from the date it ships and, if applicable, installs a product, or finishes performing a service, the product Blue M manufactured shall conform to written specifications that Blue M approved, and the product shall be free from defects in material and workmanship for twenty-four (24) months (with the exceptions of the Ultra Temp and LO/GO series, which have a 12 month warranty). Blue M further warrants that any service it performs shall conform to written specifications that Blue M approved and be free from defects in workmanship for twenty-four (24) months (with the exceptions of the Ultra Temp series, which are covered for 12 months. No service warranty for LO/GO series). If a purchaser purchases a TPS Preventive Maintenance & Calibration plan at the end of the warranty period, these limited warranties shall each be extended by twelve (12) months (with the exceptions of the LO/GO series) , subject to the exclusions below. If, within that time period, the original purchaser notifies Blue M in writing of an alleged non-conformity, and Blue M determines, to its reasonable satisfaction, that a product or service is, in fact, non-conforming, then Blue M shall, at its option and expense, repair or replace the non-conforming product or correct the non-conforming service, either at the original purchaser’s or Blue M’s factory. Click here for additional warranty details.


  • Watlow F4T Temperature Controller

    Watlow F4T Temperature Controller

    The Watlow F4T Temperature Controller with INTUITION™ temperature process controller combines the flexibility of a modular I/O controller with best-in-class ease of use.


    • 4.3-inch, color touch panel with high-resolution, graphical user-interface
    • 1 to 4 control loops with TRU-TUNE+ adaptive control algorithm for superior controllability
    • 40 ramp and soak profiles with real-time clock and battery backup.
    • Ethernet Modbus® TCP connectivity
    • High-speed USB 2.0 host port
    • Modular design, which offers numerous types of field pluggable modules for maximum flexibility and easiest compatibility
    • Optional Data Logging capability
    • Optional Graphical Trend Chart
    • TPS provides panel mounted USB and Ethernet ports located on the front control panel of the equipment


Blue M Stacked Ovens Specifications

Model STL-05 Stacked Oven
Interior Volume (per oven) 5.8 cu. ft. (164 l)
Interior Dimensions
25 x 20 x 20 in
635 x 508 x 508 mm
Exterior Dimensions
52.3 x 49 x 74 in
1328 x 1245 x 1880 mm
Machine Footprint 17.75 sq. ft.
1.65 sq. meters
Electrical Service
208 VAC 1Ph 60Hz
                   Line current               
4.2 kW
25 Amps
240 VAC 1Ph 60Hz
                   Line current               
6.0 kW
29 Amps
208 VAC 3Ph 60Hz
                   Line current               
9.0 kW
27 Amps
240 VAC 3Ph 60Hz
    Line current
12.0 kW
31 Amps
480 VAC 3Ph 60Hz
                   Line current               
12.0 kW
16 Amps
Additional voltages available. All specifications are subject to change without notice.