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Products & Services   Drilling Instrumentation HDI 100 Mud Gauge HDI 2000B Panel Gauge HDI 2021 4-20mA Transmitter HDI 2100 Stroke Counter HDI 2200 Choke Position Indicator HDI 2300 Cement Gauge HDI 2400 Pressure Gauge HDI 3300 Temperature Gauge HDI 9000 Choke Control Console HDI 2021 4-20mA Transmitter 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. The transducer (sensor) is an embedded strain gauge housed in a stainless steel case. The strain gauge is commonly housed in either a 1502 hammer union or a flange. Any style housing may be specified by the customer.The transducer is to be mounted by the customer at the locations deemed most suitable for such equipment. Pressure Transducer: 2" 1502, 2" 2202, 1" NPT transducer housing or possible Flanged housings: Transducers are rated at full range. Units 10K and under are capable of withstanding a 30 percent over pressurization without damage to the system. 16K units are capable of withstanding a 10 percent over pressurization without damage to the system. System capacities are as follows: 6,000 PSI 10,000 PSI 16,000 PSI 20,000 PSI* (Developmental). Manual Request for Quote