Type 8137
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DATA SHEET Radar level meter for higher pressure ranges • For level measurement up to 35 m • 4…20 mA/Hart, 2 wires • Adjustable with display/configuration module or PC • ATEX approvals Product variants described in the data sheet may differ from the product presentation and description. Can be combined with Type 2035  Robolux multiway multiport diaphragm valve, pneumatically operated Type 8635  Digital electropneumatic Positioner SideControl Type 8644  Remote Process Actuation Control System AirLINE Type description The Type 8137 is a non-contact radar level measuring device for continuous level measurement. The unit is available in two versions: • with thread and horn antenna (Ø 40 mm) particularly suitable for use in small tanks and process vessels for level measurement of practically any product. • with flange and horn antenna (Ø 40 or 75 mm) particularly suitable for use in storage tanks and process vessels for level measurement of products such as solvent, hydrocarbons and fuels under extremely difficult process conditions. Type 8692  Digital electropneumatic Positioner for the integrated mounting on process control valves 1000105438 | Standard | EU | en | 202011 | 11 © Christian Bürkert GmbH & Co. KG, Subject to alteratio

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Table of contents 1. General technical data Visit product website

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1. General technical data Product properties Material Non wetted parts Housing Cover Seal between housing and cover Cable gland Blind plug Ground terminal Wetted parts Process connection Process seal Antenna Antenna cone Seal Dimensions Weights Measuring variable Measuring range PBT, Stainless steel 316L (1.4404) PC transparent EPDM PA PA Stainless steel 316Ti/316L (1.4571/1.4435) Stainless steel 316L NBR with aramid fibres for device with thread process connection (for others versions not included in the delivery) Stainless steel 316L PTFE (TFM 1600 PTFE) Antenna system: FKM Detailed...

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Signal resolution Range of the output signal Load resistor Fault signal Max. output current Residual ripple (at DC) 0.3 µA 3.8…20.5 mA/HART (default setting) (Un - Umin.)/0.022 A Current output: mA value unchanged, 20.5 mA, 22 mA or < 3.6 mA (adjustable) 22 mA • For 9.6 V < Un < 18 V: ≤ 0.7 Veff (16…400 Hz) Voltage supply cable • For 18 V < Un < 35 V: ≤ 1.0 Veff (16…400 Hz) • Cable diameter: 5…9 mm • Wire cross-section (spring-loaded terminals): –– massive wire, stranded wire: 0.2…2.5 mm2 (AWG 24…14) –– stranded wire with end sleeve: 0.2…1.5 mm2 (AWG 24…16) Medium data Process temperature...

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2. Approvals 2.1. ATEX-Certification Note: Devices with Ex certification have different technical data. Certificate Description PTB 08 ATEX 2002X Specifications Ex Ex protection Ex certification Conformity specifications Operating voltage Ui Short circuit rating li Power limitation Pi Ambient temperature Internal capacity Ci Internal inductivity Li Categories 1/2G or 2G EEx ia IIC T6 30 V 131 mA 983 mW - 40 °C…+ 55 °C (- 40 °F…+ 131 °F) (dependent on categories) Negligible Negligible 3. Materials 3.1. Chemical Resistance Chart – Bürkert resistApp Bürkert resistApp – Chemical Resistance...

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4. Dimensions 4.1. Version with thread horn antenna Note: Dimensions in mm approx. 75.5 Visit product website

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4.2. Version with flange horn antenna Note: Dimensions in mm Standard DIN 2501 DIN 2501 ANSI B16.5 ANSI B16.5 Visit product website 

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5. Performance specifications 5.1. Measurement deviation diagram Measuring deviation [mm] Reference plane Antenna edge Recommended measuring range Measuring range 6. Product operation 6.1. Measuring principle The radar measuring device consists of an electronic housing, a process connection element with antenna and a sensor. The antenna emits short radar pulses with a duration of approximate 1 ns to the medium. These pulses are reflected by the medium surface and received by the antenna as echoes. Radar waves travel at the speed of light. The running time of the radar pulses from emission...

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6.2. Product operation notes Operating techniques The measuring device provides different operating techniques: • the display/configuration module • the suitable Bürkert DTM in conjunction with adjustment software according to the FDT/DTM standard, e.g. PACTware™ and PC • a HART handheld The entered parameters are generally saved in the measuring device Type 8137. Optionally, parameters may also be uploaded and downloaded with the display/configuration module or saved in a file by using PACTware™/8137‑DTM. Set up with display/configuration module Display/configuration module Description The...

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7. Ordering information 7.1. Bürkert eShop – Easy ordering and quick delivery Bürkert eShop – Easy ordering and fast delivery d You want to find your desired Bürkert product or spare part quickly and order irectly? Our online shop is available for you 24/7. Sign up and enjoy all the benefits. Order online now 7.2. Bürkert product filter Bürkert product filter – Get quickly to the right product You want to select products comfortably based on your technical requirements? Use the Bürkert product filter and find suitable articles for your application quickly and easily. Try out our product...

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Further versions on request Process connection Flange: • DN 80 PN 40 Form C DIN 2501 • DN 150 PN 40 Form C DIN 2501 • DN 200 PN 40 Form C DIN 2501 • 3" 150 lb RF; ANSI B16.5 • 6" 150 lb RF; ANSI B16.5 • 8" 150 lb RF; ANSI B16.5 Temperature Up to + 450 °C 7.4. Ordering chart accessories Description Set with 2 reductions M20 x 1.5/NPT½ + 2 neoprene flat seals for cable gland + 2 screw-plugs M20 x 1.5 Hart-USB Modem Set with a display/configuration module, a transparent cover and a seal ring Set with a transparent cover and a seal ring

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