Transformer temperature indiactor model OTI is new product which is developed based on the temperature controller model OTI. This kind product is fit for the measurement and the controller of the medium and man-sized transformer oil surface. 804 temperature controller has the following new characteristic: 1. Bigger usage range According to request of the intellectualized controlling with no people, this controller is able to output the following controlling signal:
Pt100 platinum resistance
DC4-20mA
RS232,RS485 connection
2. Have 4 team switches, and the switch can be set for the full temperature range, which used for controlling, alarm when the temperature is higher than the setting temperature, disconnection of the knife switch when the temperature is higher than the setting temperature.
II. Model description 804 temperature controller name have the following meaning:
Audited Supplier 
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