t-mass 65I Spare Parts List Overview

The t-mass 65I is a thermal gas mass flowmeter commonly used in industrial sites. Its spare parts are numerous, involving power supply, signal processing, output modules, display units, housings, and installation accessories. Correct selection of spare parts is crucial to ensure long-term stable operation of the instrument. This article compiles a complete spare parts list for the t-mass 65I, including order numbers, specification descriptions, and applicable models, for reference by engineering technicians and procurement personnel.

Power Boards and Fuses

The power board is the core power supply component of the transmitter. The t-mass 65I offers multiple voltage specifications and Ex models. Fuses are used to protect circuits and must be selected according to the power supply type.

Order NumberSpecificationDescription
50098557Power Board220V = 85-260VAC
50098558Ex Power Board220V = 85-260VAC
50098565Power Board24V = 20-55VAC / 16-62VDC
50098566Ex Power BoardKit P.s.b. 40/8X/65 20-55AC 16-62DC Ex
50094002FuseKit 10 fuses 250 VAC T800 MA
50094003FuseKit Bus/connec.b.5X/40/8X/65 field hous.

Signal Processing and Amplifier Modules

Signal processing modules are responsible for converting sensor signals into standard outputs. They are available in compact and remote versions, with Ex and non-Ex versions. Preamplifier modules are used for remote sensors.

  • 71008429: Compact Ex signal processing module, Kit meas.amplifier t-mass 65 compact Ex
  • 71008430: Remote Ex signal processing module, Kit meas.amplifier t-mass 65 remote Ex
  • 71008448: Preamplifier module, Kit preamplifier 65 remote sens non Ex

Output Modules

Output modules provide current, frequency, and relay outputs, supporting Ex and intrinsically safe applications. Users must select according to the control system interface type.

Order NumberSpecificationDescription
50096757Ex current/frequency output moduleKit com50/40/80/90 curr/Freq.out Ex
50098300Ex current frequency/2 relay output moduleKit com 53/83/93/65 curr/freq/2Relay Ex
50098302Intrinsically safe passive current/frequency output moduleKit com5X/40/8X/93/65 Iout pass/Freq.Exi
50098303Intrinsically safe active current/frequency output moduleKit com5X/40/8X/93/65 Iout act/Freq.Exi
50104625Intrinsically safe active current output moduleKit com 83/65 2x Iout aktiv Exi
50104626Intrinsically safe passive current output moduleKit com 83/65 2x Iout passiv Exi

Communication and Input/Output Boards

Communication modules and input/output boards are used for digital communication and expanded I/O functions. The following spare parts are applicable to multiple models.

  • 71021742: Communication module
  • 71095035: Input/output board C14 EX, for 53/55/83/93/65
  • 71066579: Input/output board PA Ex, for 50/53/55/80/83/93/65
  • 71021743: ModbusRS485+stat.In 2Interf.Ex communication component, for 53/83/84/65/8CN/8DF

Output Submodules

Submodules must be used with a motherboard and provide flexible channel expansion. Common submodules include current output, frequency output, and status input.

  • 50096833: Ex output motherboard with 3 interfaces, Kit Com53/8X/93/65 curr.out 3 Interf.Ex
  • 50096834: Current output submodule, Kit Sub PCB 53/8X/93/65 current out
  • 50096835: Frequency output submodule, Kit Sub PCB 53/8X/93/65 frequency out
  • 50096837: Status input submodule, Kit Sub PCB 53/8X/93/65 Status input
  • 50098562: 53/53/65 current input submodule, for 53/55/83/65

Display Modules

Display modules are used for on-site readings and are available in wall-mount and field-mount versions. Note version compatibility (V1.06.00 and above).

  • 50108131: Wall-mount display module for version 1.06.00 and above, Kit disp.50/51/80/90/65 Wall >=V1.06.00
  • 50108132: Display module for 50/51/80/65 version above 1.06.00, Kit display mod 50/51/80/65 >=V1.06.00

Wiring and Terminals

Wiring modules and terminal boards are used for electrical connections, available in wall-mount and field-mount forms, with Ex models.

  • 50094014: Wiring module, Kit connec. board In/Output Wall encl
  • 71008431: Wall-mount terminal, Kit connec. board 65 wall encl. non Ex
  • 71008445: Ex chamber terminal cover, Kit Terminal protective Cover Ex
  • 50094016: Field-mount terminal board
  • 50094017: Wall-mount board housing, Kit Bus PCB/PCB carr.5X/8X/9X/65 wall

Data Modules

Data modules store transmitter parameters and sensor data. Pay attention to serial number matching when replacing.

  • 50094004: Transmitter T-DAT data module, Kit T-DAT Transmitter Data Chip
  • 71084176: S-Data module with settings, Serialnumber is forceful required

Housings and Covers

Housing components include covers, seals, cable glands, etc., used to protect internal circuits and meet Ex requirements.

Order NumberSpecificationDescription
501081395X/8X/40/65 Field-mount terminal blockKit Termin.Block field hous. 5X/8X/40/65
501081405X/8X/9X/65 Wall-mount terminal blockKit Termin.Block Wall encl. 5X/8X/9X/65
500940285X/40/8X/65 Blind coverKit Cover 5X/40/8X/65 version blind
50094029Blind coverKit Cover 5X/40/8X/93/65 vers. blind Exd
500940265X/40/8X/65 Glass coverKit Cover 5X/40/8X/65 with window
50094027Cover with glass windowKit Cover 5X/40/8X/93/65 with window Exd
50094038Connection compartment cover10/5X/40/8X/93/65/92F
71247838**Service cover, remote versionUsage: 10/5X/8X/8DF/8CN/92F/65/400/800 acc. service info SI01351D-1/06
50094039Increased safety connection compartment coverKit Cover 5X/40/8X/93/65 Conn.termi.Exe
50094040Flameproof connection compartment coverKit Cover 5X/40/8X/93/65 Conn.termi.Exd
50094041Wall-mount sealing coverKit Seal cover to Wall enclosure
50094050Field-mount sealing ringKit 10 Seal cover to field housing

Cable Glands and Adapters

Cable glands and adapters are used for cable entry and must comply with Ex certification and thread specifications.

  • 50096840: Cable gland, Kit 10 cable glands M20x1,5
  • 50098036: Ex cable gland, Kit 10 cable glands M20x1.5 Ex
  • 50098041: Adapter, Kit 10 extension M20x1.5/G 1/2"
  • 50098042: Adapter, Kit 10 extension M20x1.5/NPT 1/2"

Other Accessories

Including circuit board brackets, housing sleeves, display screens, ground terminals, etc., to ensure mechanical and electrical integrity of the instrument.

  • 50096839: Circuit board bracket (field/stainless steel housing), Kit Circuit board cpl field/SS-housing
  • 50099102: Cast aluminum/stainless steel housing sleeve
  • 50096838: Display screen (field housing), Kit 2 Screening sheet field housing
  • 50096841: Ground terminal / cover clamp, Kit Ground terminal / Cover clamp
  • 71009191: 65I/F remote housing gasket, Kit housing gaskets 65I/F remote non Ex
  • 71008503: 10 locking screws, Kit 10 Grub screw t-mass 65I
  • 71008440: EPDM gasket, Kit Gasket ring EPDM 42.2/33.7x2
  • 71008441: Kalrez gasket, Kit Gasket ring Kalrez 42.2/33.7x2
  • 71008442: Nitrile gasket, Kit Gasket ring Nitrile 42.2/33.7x2
  • 71009193: Compact component, Kit Part 65I/F fieldhous.compact non Ex
  • 71009192: Remote field-mount component, Kit Part 65I/F fieldhous. Remote non Ex

Installation Components

Installation components are used to mount the sensor or transmitter onto the pipe, including welding, insertion, and inline installation accessories.

  • DK6WM-: **Transmitter mounting component DK6WM
  • DK6MB-: Insertion mounting component DK6MB, Welded onto the exterior of the pipe
  • DK6ML-: Insertion valve mounting component DK6ML, For insertion sensors. Retraction of sensor at atmospheric pressure. Process isolation with ball valve. Max. process pressure: 20 bar / 290 psi
  • DK6HT-: t-mass 65I inline installation accessory, Usage: t-mass 65I. For insertion version. For mounting and extracting the device under operating conditions.

Transmitters and Cables

Transmitter model 65XXX and remote cable DK6CA must be selected according to specific configuration.

  • 65XXX-: **Thermal gas mass flowmeter transmitter 65XXX, t-mass 65, transmitter
  • DK6CA-: **T-mass 65 remote cable DK6CA

The above spare parts list covers the main maintenance components of the t-mass 65I. When purchasing, please be sure to verify the order number and specifications to ensure compatibility with existing equipment. If in doubt, refer to the official catalog or contact technical support.