TH2700 – Chamber for tensile tester User guide Table of contents Topic Safety Instructions Temperature regulator TH2700 control box / 19” rack Digital temperature controller Programming the Omron E5AC temperature regulator Configuration Auto tuning Cooling – Supplies and accessories Cooling...
TH2700 – Chamber for tensile tester User guide Safety instructions Attention – Risk of burns! • At elevated temperature, do not open chamber and touch the inside without safety precaution. • Use long heat protection gloves for safety. • Hot steel can be dangerous.
TH2700 – Chamber for tensile tester User guide Temperature regulator 2.1 TH2700 controller box / 19” rack 2.2 Digital temperature controllers Follow the links for product manuals. Omron (standard) Eurotherm (on request) Model E5AC Model 3204 with RS485 or RS232 Port http://www.grip.de/G21/Omron.zip...
TH2700 – Chamber for tensile tester User guide Programming of the Omron E5AC Temperature regulator 3.1 Setup: 1. Press the key for at least 3 sec. (õAPt) 2. Search for the following parameters using the 3. “CN-t” - (sensor type) set to “1”...
TH2700 – Chamber for tensile tester User guide Cooling – Supplies and accessories In general, cooling with liquid nitrogen requires a Dewar. Tank for fluid air Our recommendation, Messer Griesheim - 200 Liter connect to TKw- Or use a 8mm outer diameter 74 insulated hose copper tube.
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TH2700 – Chamber for tensile tester User guide 8mm union nut - Cutting ring screw connection. You can find supplies for fittings here: www.parker.com...
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TH2700 – Chamber for tensile tester User guide TKw-74 Corrugated pipe made of stainless steel 1.4404 (V4A). DN12 pre-assembled with screwed connections. 3m long diameter with isolation 50mm. 1x Reduction from G1/2" to M14x1.5 for our chamber. For fluid air.
TH2700 – Chamber for tensile tester User guide Cooling Preparation Please install the insulated hose to the Dewar. Check the hose, it must be free of dirt. Please note the description of the temperature controller. Set a low minus value and activate autotuning ( first time ) to get the optimal control parameters Open the valve on the Dewar.
TH2700 – Chamber for tensile tester User guide 6.1 Grounding • Main heater is fixed directly to internal V2a housing with screws. • The back side is connected to ground wire. • The main fan is fixed through motor holder to the internal V2a housing. The back side is directly connected to the ground wire.
TH2700 – Chamber for tensile tester User guide Chamber door Door will not open When cooling at extremely low temperatures, the door may freeze. This can be prevented by using automotive silicone grease. (Automotive silicone grease is available from car dealers) •...
TH2700 – Chamber for tensile tester User guide EC Self-declaration Thümler GmbH grip – engineering EC Self-declaration Name and address of manufacturer: Thümler GmbH 90455 Nürnberg Hans Traut Str. 25 Description of chamber TH 2700 Temperature chambers for grips and fixtures Serial no.:...
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