The DT722 is a rugged, industrial, relative humidity and temperature transmitter designed for process applications where accurate, stable measurement and control of humidity and temperature is required.
Features
•Designed for accurate measurement in a harsh environment
•Can withstand temperatures up to 150°C (300°F)
•Stainless steel housing
•Calculated moisture signal output - optional
•Integral loop powered display – optional
•0 to 100% RH / -40 to +150°C operating ranges
•Long term stability: ±1% RH over 12 months
•M12 fast connector
Safety
The manufacturer has designed this equipment to be safe when operated using the procedures detailed in this manual. The user must not use this equipment for any other purpose than that stated. Do not apply values greater than the maximum value stated. This manual contains operating and safety instructions, which must be followed to ensure the safe operation and to maintain the equipment in a safe condition. The safety instructions are either warnings or cautions issued to protect the user and the equipment from injury or damage. Use competent personnel using good engineering practice for all procedures in this manual.
Electrical Safety
The instruments are designed to be completely safe when used with options and accessories supplied by the manufacturer for use with the instrument.
Toxic Materials
The use of hazardous materials in the construction of this instrument has been minimized. During normal operation it is not possible for the user to come into contact with any hazardous substance which might be employed in the construction of the instrument. Care should, however, be exercised during maintenance and the disposal of certain parts.
Repair and Maintenance
The instruments must be maintained either by the manufacturer or an accredited service agent. Refer to www.rotronic.com for details Rotronic's worldwide offices contact information.
Calibration
Rotronic recommends an annual calibration for an accuracy requirement of ±2% RH under ambient conditions where temperature is 0 to +50°C (+32 to +122°F) and relative humidity is 0 to 70% RH. For environments with airborne chemicals or for high humidity and high temperature conditions, more frequent calibration is recommended.
Safety Conformity
This product meets the essential protection requirements of the relevant EU directives. Further details of applied standards may be found in the product specifi cation.