Sigma SQM-160 Introduction, Fuse Replacement, Chapter, Maintenance, M a n u f a c t u r e d B y

Chapter 5 Maintenance

5.0Introduction

WARNING: There are no user adjustments, or serviceable parts, inside the SQM-160. For maintenance or repair, contact

Sigma Instruments 1318 Duff Drive

Fort Collins, CO 80524 USA 970-416-9660

5.1Fuse Replacement

WARNING: Remove the power cable before replacing the fuse.

	Option A Card				Option B Card	Ground
						0	2
							2	0	1
						1	0
						1
3	4	5	6	Rate		Thick
Sensor 1	Sensor 2		RS-232		Relay I/O	Line Fuse
						Fuse 1/2 A SB at 120VAC
M a n u f a c t u r e d B y				Model No . SQM - 160		Fuse 1/4 A SB at 240VAC
S i g m a				Ser No .	80901
Σ instruments

The SQM-160 is shipped with a ½ A Fuse for use with 90–120 VAC. If your line voltage is 180–240 VAC, replace the fuse with the ¼A fuse included with your SQM-160.

WARNING: Always replace the Line Fuse with the same size and type fuse specified above.

5-1