Jessen-ERMA-Electronic
Since 1975: panel meters – signal converters/transducers – PC cards

Discontinued Products

These products have been discontinued and are no longer offered. They are listed here for reference, together with the matching successor models, where available.

Even when a product is discontinued, we can usually still repair it. Please contact us directly if you need service – see also Repairs.

Successor models for older series

Signal Converters

DS 9000 → DS 9001:

  • Compatible successor model with extended functionality
  • Additional enable input

FA 9001 → FA 9002:

  • Compatible successor model with extended functionality
  • Processor-controlled
  • Max. input frequency 50 kHz (single-channel) or 25 kHz (two-channel)
  • Adjustable input voltages 5 V, 12 V or 24 V
  • Adjustable analogue output 0/4–20 mA

FT 9001 → FT 9002: Compatible successor model.

SSI 9001 → SSI 9005 and SSI 9002 → SSI 9006:

  • Compatible successor model with extended functionality
  • Clock frequency up to 1 MHz internal, up to 500 kHz external
  • Adjustable for encoders with 9–32 bit
  • LSBs and/or MSBs can be masked out

Panel Meters

CF 2700 – possible successor models:

  • CM 2510: 5-digit, 8 mm, −9999…99999, panel cutout 48×24 mm, mounting depth 70 mm incl. screw terminals, no limit-value output
  • CF 2610: 5-digit, −9999…99999, panel cutout 96×24 mm
  • CF 3011: 5-digit, −9999…99999, panel cutout 96×48 mm

DM 3102 → DM 3110: Compatible successor model with extended functionality, user calibration.

MT 270x – possible successor models:

  • MT 251x: 5-digit, 8 mm, panel cutout 48×24 mm, mounting depth 70 mm incl. screw terminals, no limit-value output
  • MT 261x: 5-digit, panel cutout 96×24 mm
  • MT 301x: 5-digit, panel cutout 96×48 mm

Series 35xLC – possible successor models:

  • UM 3010: 4-digit, 14 mm, −999…9999, standard signals 0–10 V DC / 0(4)–20 mA DC, 0.1 % ±1 digit, 4000-count, supply 5 VDC/12 VDC/18–36 VDC, programmable, user linearisation, 1 opto-coupler output as limit value or programmable serial output, mounting depth 72 mm incl. screw terminals
  • UM 3300: 4-digit, 14 mm, −999…9999, standard signals 0–10 V DC / 0(4)–20 mA DC, 0.05 % ±1 digit, 12-bit, supply 5–36 VDC, programmable, freely scalable, programmable front keys, mounting depth 72 mm incl. screw terminals
  • UM 3301: like UM 3300, supply 6–36 VDC or 230 VAC, mounting depth 78 mm incl. screw terminals
  • DM 3110: 6-digit, 14 mm, −99999…999999, mounting depth 148 mm incl. screw terminals, ranges ±10 V DC, ±20 mA DC, 4–20 mA DC, thermocouples, PT100, supply 18–36 VDC or 95–250 VAC, programmable, freely configurable, user linearisation, user calibration, sensor supply, 2 limit-value contacts, programmable front keys, optional analogue output, RS485/RS232/TTY interface
  • DM 3202: like DM 3110, ranges TRMS 0…500 V, TRMS 0…60 mV, TRMS 0…1 A, input signals DC…400 Hz regardless of waveform, optional analogue output or RS485 interface

SSI 3001 → SSI 3005 and SSI 3020 → SSI 3025:

  • Compatible successor model with extended functionality
  • Clock frequency up to 1 MHz internal, up to 500 kHz external
  • Adjustable for encoders with 9–32 bit
  • LSBs and/or MSBs can be masked out

UM 2700 – possible successor models:

  • UM 2550: 4-digit, 8 mm, panel cutout 48×24 mm, mounting depth 70 mm incl. screw terminals, no opto-coupler output
  • UM 2600: panel cutout 96×24 mm
  • UM 2701: 3.5-digit, 14 mm, −1999…1999, ranges ±199.9 mV up to ±500 V and 0–20 mA, not programmable, no opto-coupler output, no galvanic isolation at 5 VDC supply
  • UM 3010: panel cutout 96×48 mm
  • UM 3300: accuracy 0.05 % ±1 digit, 12-bit, supply 5–36 VDC, programmable, freely scalable, programmable front keys, no opto-coupler output

UM 3021 → UM 3022:

  • Max. resolution 64,000 counts
  • Voltage range: 0.01 % accuracy
  • Current range: 0.02 % accuracy
  • Analogue output: 16-bit resolution

There is no direct successor for FA 2511 – please contact us.

PC Cards

IO 1283 → IO 1388:

  • Not a direct replacement, neither software- nor connector-compatible
  • I/O card with PCI bus, PCI 2.2 compatible
  • 16/32 digital inputs, 5 or 24 V, opto-isolated
  • 16/32 digital outputs, 8–30 VDC, max. 1 A short-circuit-proof, opto-isolated

ZIB 1155 / ZIB 1155-OPTO / ZIB 1177 → PCI 1389-S01 or PCI 1389-S02:

  • Not a direct replacement, neither software- nor connector-compatible
  • Counter card with PCI bus, PCI 2.2 compatible
  • Two 32-bit incremental counters, one 16-bit reference counter
  • 4 digital inputs, 5 V, high-active; 4 digital outputs, 7–30 VDC, max. 1 A short-circuit-proof
  • 4 bidirectional and 8 unidirectional RS422 ports, opto-isolated
  • Time-based evaluation of the incremental signal with 5 or 10 MHz resolution
  • PCI 1389-S02 additionally with triggering on direction reversal to determine maximum rotation angles and their repeatability

There is no direct successor for the following older PC cards – please get in touch with us: AD 1199, AD 1285, DA 1250, DA 1256, and older revisions of DA 1326, FR 1215 and RS 1295.

There is also currently no direct successor for DA 1326, MM-232.xx, FR 1215, RL 1335, RL 1337 and RS 1295. Feel free to contact us if needed.

Converters

There is no direct successor for CNV 1318A – feel free to reach out to us.

Even older, discontinued series

If you have questions about products that have been out of our range for a long time, for example the models listed below, just get in touch with us. We're happy to help!

  • C: C 117, C 1001, C 254, C 265, C 266, C 323, C 324, C 326, C 3330, C 3340, C 3360, C 500, C 501, C 633, C 723, C 724
  • D: D 154, DA 1046, DTA 3.01
  • F: F 101, F 107, F 107Q, F 107QZ, F 107BM, FT 103Q, FT 171, F 253, F 254, F 323, F 324, F 326, F 507Q, FA 2511 (earlier revision), FT 971
  • I: I 146, I 253, I 257, I 265, I 267, I 273, I 274, I 275, I 335, I 345, I 353, I 354, I 355 (LC), I 356 (LC), I 357, I 359, IW 345, IW 354, IW 356, IW 357, INT 36, I 556, I 557, I 559, I 756, I 757, I 856, I 857, I 859
  • L: L 492, L 493, L 497, LB 200, LinBox
  • M: M 273, M 276, M 376, MT 302, MT 502, MT 702, MT 802
  • P: PM 172, PM 972
  • R: R 353, R 354, R 356, R 357
  • S: SE 280, SM 1251
  • T: T 100, T 157, TA 1003, TP 157, TTY 1241, TTY 1294, TTY 1316, T 252, T 257, TCA 254, TFK 253, TPT 250, TPT 254, TPT 273, T 322, T 324, T 325, T 326, TCA 360, TFK 360, TPT 300, TPT 359, TPT 360, T 557, T 724, T 757, TA 7731, TPT 759, T 857
  • U: U 146, U 253, U 254, U 265, U 2536, UM 255, UM 257, UM 259, UM 265, UW 273, U 345, U 353, U 354, U 355 (LC), U 356 (LC), U 357, U 359, UI 354, UI 355, UI 357, UI 359, UI 3355, UM 300, UM 301, UM 302, UW 345, UW 353, UW 354, UW 355 (LC), UW 356 (LC), UW 357, UW 359, U 555, U 558, U 559, U 568, UW 555, U 755, U 859, U 901, UW 901, UW 914
  • V: V 121, V 122, V 139, V 145, V 146
  • Z: ZIB 1255, ZIB 1277