HDI 1021/2021 4-20mA Transmitter User’s Manual REV 5 – 03/2022 Table of Contents SECTION I Systems General Information: General Information.................2 Unpacking and Inspection..............2 PrecautionaryInformation..............2 Personnel Qualifications..............2 SECTION II Systems Description: Systems Description................3 System Components................3 Pressure Transducers..............3 Cables....................4 System Capacities................5 Transducers..................4...
(ATEX/IECEx/CSA) along with HDI's Calibration Certificate and Certificate of Compliance. For brevity, we will use the name "2021" to refer to both the 1021 and 2021 products. The 1021 and 2021 Series units are identical for purposes of this user's manual, unless noted otherwise (E.G., third-party approvals).
HDI 1021/2021 4-20mA Transmitter User’s Manual REV 5 – 03/2022 SECTION II Systems Description A. Systems Description: The transducer (sensor) is an embedded strain gauge housed in a stainless-steel case. The strain gauge is commonly housed in either a hammer union or a flange.
HDI 1021/2021 4-20mA Transmitter User’s Manual REV 5 – 03/2022 SECTION III Installation A. Components: a. Transducer: The transducer is to be mounted by the customer at the locations deemed most suitable for such equipment. b. Cables: Maximum recommended cable length is 200'. Cable lengths, other than standard, shall have been specified by the customer to the factory in advance.
The HDI 2021 is a digital electronic pressure measurement device designed specifically for Oilfield applications. This system has been factory preset and will not require periodic calibration as with the previous version of the HDI 2021 or to our similar product line, HDI 2400 Pressure Gauge Systems.
HDI 1021/2021 4-20mA Transmitter User’s Manual REV 5 – 03/2022 C. CSA Certification Markings and Tag: D. ATEX Certificate and Tag: Note: In the event one of the components (gauge or sensor) fails, you can order the replacement for a quick drop-in replacement. When ordering, be sure to provide the applicable serial # or certification requirements to ensure the replacement is acceptable.
SECTION VIII Warranty Houston Digital Instruments, Inc. (HDI) warrants for a period of one year from the date of shipment, HDI's manufactured products to the extent that HDI will replace those parts having defects in material or workmanship when used for the purpose or specification HDI recommends.
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