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Avatar Instruments TSS SCR Power Controllers

We are a distributor for Avatar Instruments

TSS Series 2 Wire Temperature Control

FEATURES

• For use with low mass Alumel, nickel, Balco or Tungsten elements 
• Instant response to load/setting changes 
• No thermal lag 
• No temperature probes needed
• Direct heater temperature controlled prevents meltdown and increases heater life
• Simple installation: only 4 electrical connections
• Optional 4-20 mA Input for “cascade” control 
• Command signal of 4-20 mA @ 6 VDC 

The Avatar TSS series controls are a 2 wire, solid state temperature control for use with low mass self-sensing heaters, such as Alumel, Balco, Nickel or Tungsten elements. The model TSS provides instantaneous response to temperature setting or load changes with no thermal lag or overshoot possible. Fail safe protection is intrinsic to the 2 wire self-sensing control. Heater life is increased due to Avatar's superior firing resolution. Speed of response is 0.01 seconds.

The model TSS uses the heating element itself as an RTD (resistance temperature detector). There is no need for other temperature sensors, no problems with probe placement, and no confusing temperature control tuning for the operator to perform. The model TSS will keep the element temperature at a constant resistance/temperature no matter what the air flow or load. If air flow is cut off, power will be cut back or even turned off within .01 seconds. The element will not burn out. Another advantage is that any change to setpoint, air flow or any load condition will cause the model TSS to make power changes within the same .01 seconds. Changes from a low or no flow condition to full operation setpoint will happen faster due to the heater element being in an “idle” or preheat condition before air flow is applied.

The model TSS-A-11F replaces ARi Stan-Trol (330014D) & Wayneco/Watlow 2 Wire controllers with a standard 1/4 DIN package. TSS-A features Power On, Heater On and Heater Short/Blown Fuse Indication.

The model TSS-B is designed to work with Osram Sylvania 2.2 & 4.5 Ohm 120 VAC Balco In Line Heaters. Replaces Athena Model 68 Series controls. The TSS-B will instantly limit power to In Line heater when air flow is
reduced, blocked, disconnected or turned off. 240 VAC available.

The model TSS-A is designed to work with Alumel heaters that can reach temperatures hundreds of degrees higher than Balco heaters.

The model TSS can also be used in hot wire packaging applications. This is ideal when an open wire sealing head needs to be controlled. The best temperature for the process can be selected. When the sealing head is removed from the materials the heater is kept at the same output temperature. A pre-heat condition. When the load is applied by placing the heater wire on the next item to be sealed, the TSS instantly responds by providing the correct amount of power to the heater.

SPECIFICATIONS

The Avatar Model TSS-A replaces ARi Stantrol (330014D) & Waynco 2 wire
controllers with a standard 1/4 DIN package.

Model TSS-A are used with ARi Aerorod 14 ohm Alumel Heaters # 9682,
9683, 9686 & 9688 only.

Standard temperature ranges for model TSS-A are as follows:

200-600 F Code # 26F
100-1000 F & 40 - 540 C (dual scale) Code #11F

Panel Mounting Dimensions Model TSS-A

Panel Cutout - Standard 1/4 DIN: 3.622 in. (92 mm) x 3.622 in (92 mm)

Overall Length: 7.88 inches

Panel Depth: 6.75 inches

Front Bezel Dimensions: 3.78 (96mm) x 3.78 in. (96mm)

The Avatar Model TSS-B is designed for use with Osram Sylvania Balco Series & In Line Heaters. Please specify heater ohms, voltage & temperature range.

Model TSS-B-2.2 units work with Osram Sylvania Heaters # 053834, 054006, 056245, 061293

Model TSS-B-4.5 units work with Osram Sylvania Heaters # 038449, 063817, 054007, 05968, 057972, 061318, 057968 & 060989

Standard temperature ranges for model TSS-B are as follows: 

50-150 F Code #15F
300-600 F Code #36F
300-700 F Code #37F
400-700 F Code #47F
650-850 F Code #68F
200-800 F Code #28F

DIMENSIONS
Figures in inches

TSS manual, wiring diagrams, dimensional drawings

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Used with permission of and copyright Avatar Instruments

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