National Instruments 1128 Manuale Utente

© National Instruments Corporation

Maximum operating speed..................... 1200 cycles/s

Relay operate time (at 20 

°C) ................ 0.25 ms typical, 0.5 ms max

Relay release time (at 20

 °C)................. 0.08 ms typical, 0.2 ms max

Scanner advanced pulsewidth ................ 1.1 

µs

External trigger input pulsewidth........... 500 ns (min)

Recommended warm-up time ................ 5 minutes

Dimensions............................................. 3.0 by 17.2 by 20.3 cm

(1.2 by 6.9 by 8.0 in.)

Operating temperature ..........................0 to 50 

°C

Storage temperature..............................–20 to 70 

°C

Relative humidity ................................... 10% to 90% noncondensing

Electromagnetic compatibility (EMC)
emissions ................................................ Refer to the document supplied 

with the chassis for compliance to 
relevant directives.

EMI ........................................................ FCC Class A compliant

Designed in accordance with IEC-61010-1, UL 3111-1, and 
CAN/CSA C22.2 No. 1010.1 for electrical measuring and test equipment

Approved at altitudes up to 2000 m.

Installation Category II