National Instruments NI 9944 - Manual (Page 2)

NI 9944/9945 Accessory User Guide 2 ni.com
NI 9944/9945 Dimensions
The NI 9944/9945 has outer dimensions of 66 Ч 21.6 Ч 22.96 mm
(2.6 Ч 0.85 Ч 0.90 in.), as shown in Figures 2 and 3.
Figure 2. NI 9944/9945 Dimensions
Figure 3. NI 9944/9945 Dimensions and Hole Clearance
Specifications
The following specifications are typical for the range – 40 to 70 °C, unless
otherwise noted.
Weight ....................................................32 g (1.1 oz)
Operating temperature ............................–40 to 70 °C
Resistor value
NI 9944............................................120
Ω
NI 9945............................................350
Ω
Resistance drift
NI 9944............................................0.012
Ω/°C
NI 9945............................................0.035
Ω/°C
Resistor tolerance (at 25 °C)...................0.1% max
Resistor power ........................................0.25 W max
21.6 mm
(0.85 in.)
3 Shield
2 QTR
1 IN+
0 EX+
66 mm (2.6 in.)
Ø 4.57 mm (0.180 in.)
Ø 8.89 mm (0.350 in.)
22.86 mm
(0.90 in.)
Holes for
Tie Strap