20
Introduction
3.5.1 Receptacle caps
Interface receptacles are covered with push-on receptacle caps. These caps protect the
connector pins from dirt and moisture and should be attached to any receptacle not in
use.
3.6 Front panel
The front panel of the sampler consists of the keypad, liquid crystal display, and the
internal case humidity indicator.
Figure 4 Controller housing connectors
1
12 VDC
3
Thermal
2
RS232
4
Auxiliary
12 V dc
RS232
Thermal
AUX
2
4
3
1
Goodnal STP ST041 Pre Treatment (Sigma 900 MAX All Weather Refrigerated Sampler) Vendor Manual
Q-Pulse Id VM373
Active 29/10/2013
Page 20 of 122
