Main features:
1. Furnace chamber is made of  high-purity alumina ceramic fiber. Low heat capacity insulation for high energry efficiency.
2. High rate of heating up: 0-30c/min.
3. Microcomputer PID control enables high precision and constant temperature requirement, with function of temperature compensation and correction.
4. Temperature controller is programmable with 2 groups/16 steps, and available to set temperature curve.
5. Electric leakage protection for safety
6. over-temperature alarm: machine will start an Alarmwith sound&light When temperature exceeds the set limit.
7. Quartz tube sealed by two stainless steel flanges at ends,  and the quick-opening design is convenient for taking in and out samples. EndingFange with gas inlet and outlet, furnace can work under vacuum as well as protective atmosphere.
Specifications:

Max. Temperature	1200c
Continuous working max. Temperature	1150c
Heating rate	10-30 c/min
Tube material	Quartz tube
Tube size	Dia 60x1000 Length mm
Heating zone	300 mm
Temperature control	16 steps programmable and PID automatic control
Voltage	AC 208-240V Single Phase, 50/60 Hz
Power	3 KW
Heating element	Resistance wires
Thermocouple	S-type
Furnace atmosphere	Vacuum or filled with Nitrogen, Argon and other inert gases
Vacuum degree	-0.098MPa
Standard accessories	High temperature gloves, furnace hook, flanges
Warranty	One year warranty (Consumable parts such as chamber and heating elements are not included.)

Models:

Model	Heating zone size	Tube size dia*length	Max. temp.	Continuous operating    temp.	Voltage	Power	Heating element	Temperature control accuracy
STG-40-12	300mm	Φ40×1000mm	1200c	1150c	220V	2KW	Resistant wire	±1c
STG-60-12	300mm	Φ60×1000mm	1200c	1150c	220V	3KW	Resistant wire	±1c
STG-80-12	300mm	Φ80×1000mm	1200c	1150c	220V	4KW	Resistant wire	±1c
STG-100-12	300mm	Φ100×1000mm	1200c	1150c	220V	5KW	Resistant wire	±1c