Measurement Computing USB-231 - Manual (Page 26)

USB-231 User's Guide Specifications
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Environmental
Table 12. Environmental specifications (Indoor use only)
Parameter Specification
Operating temperature range 0 °C to 45 C
Storage temperature range –40 °C to 85 °C
Operating humidity range 5% to 95% RH, non-condensing
Storage humidity range 5% to 90% RH, non-condensing
Pollution degree (IEC 60664) 2
Maximum altitude 2,000 m
Mechanical
Table 13. Mechanical specifications
Parameter Conditions Specification
Dimensions (L × W × H) With screw terminal connector plugs 93.2 × 86.2 × 23.6 mm
(3.67 ×3.40 × 0.93 in.)
Without screw terminals 75.4 × 86.2 × 23.6 mm
(2.97 ×3.40 × 0.93 in.)
Weight With screw terminal connector plugs 105 g (3.70 oz)
Without screw terminals 83 g (2.93 oz)
Screw terminal connector
Table 14. Screw terminal connector specifications
Parameter Specification
Connector type 16-position screw terminal plugs
Wire gauge range 16 AWG to 28 AWG (1.31 to 0.08 mm2)
Torque for screw terminals 0.22 - 0.25 N · m (2.0 - 2.2 lb. · in.)