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The ATP 4200 is designed for precise temperature measurements as demanded in laboratory use and quality assurance (ISO 9000, etc.). The conversion of the resistance measuring value into a temperature measuring value is practised by use of calibration tables in the measuring device depending on the different probe specifications. It is not necessary that the user enters the calibration data after each exchange of the probe using the keyboard built-in the measuring device. As the calibration data of several probes can be stored in the measuring device, in a lot of cases it will be sufficient to relate the corresponding calibration data to that channel to which a new probe had been connected. If the calibration data of a newly connected prove are not yet stored in the measuring device, the user can draw up the calibration data easily on a PC by use of a software included in the scope of supply. The complete drawing up and maintenance of the calibration tables is done on the PC. If required new calibration data can be loaded from the PC into ATP 4200 by use of this PC-software.

Product features

- uncertainty 0,005C
  - resolution: 0,001C
  - range: -200C up to +962C
  - excellent long-term stability - 2 channels (up to 81 with MUX)
  - display of both measuring channels
  - measuring current only about 0,5 mA for lowest heating-up of sensor
  - fast measuring: up to 10/sec
  - serial interface as standard
  - 4-conductor-technology, Lemo-plugs
  - highly interference-proof
  - comfortable input and highest safety of sensor data
  - controllable from your PC

Available accessoires

- external multiplexers with 8 or 16 channels (up to 5 switches may be   cascade-connected)
  - PC software for operation of instrument and measuring data acquisition
  - temperature sensors

Technical data

The following specifications are only valid for a nominal operating   voltage and a environmental temperature of 23C.

Measuring range

-200C up to 962C (according to ITS-90)
  -200C up to 850C (according to DIN EN60751)


1 mK

Measuring uncertainty

10 mK (optionally 5 mK in the range of -50C up to 250C)

Measuring channels

2 (optionally up to 81 with external multiplexers)


Pt-100 (optionally Pt-25) in a four-conductor-technology


Lemo 1S, quadripolar, in front panel

Measuring current

about 0,5 mA switched DC (about 1 mA for Pt-25)

Measuring time

about 1 sec. per channel, about 0,1 sec. per channel with
  reduced resolution

Long-term stability

5 mK / year

Temperature coeff.

1 mK / C


LCD, LED backlight, 2 lines ¨¤ 16 characters, 9 mm height


C, F, K, ohm


RS-232, isolated


menu orientated, alternatively controllable by your PC


128 KB (optionally 512 KB)


230 V, 50 Hz / 115 V, 60 Hz about 15 VA


260 x 80 x 240 (width x height x depth in mm)


about 2,5 kg

Order No.


suitable for

Pt100, Kl. 1/10 DIN -200...+450 °C 300 x 3,0 mm
  Pt100, Kl. 1/10 DIN -200...+450 °C 300 x 6,0 mm


Get in Touch

Unit W4A
Ladytown Business Park
Co. Kildare
W91 XEX5

(00353) 045 408164