Martel Electronics SP300 - Manual (Page 2)

20.5
(0.81)
2.54 (0.1)
33.0 (1.30)
27.9 (1.10) a b c
35.1 (1.38)
22.4
(0.88)
Panel thickness: 1.0 - 3.0
(0.04 - 0.12)
34 (1.34)
21.3
(0.84)
DIMENSIONS
All dimensions in mm (inches)
PANEL FITTING
PIN CONFIGURATION
(rear view)
CAL
LCOM
V+ 0V DP1 DP2 DP3 IL IH COM
FUNCTIONAL BLOCK DIAGRAM
Module Seal
1
Panel
2
Fixing Clip
3 4
Page 2 of 4 Page 2 of 4
Page 2 of 4
SP 300
3½ Digit LED Voltmeter Module
1 8
A/D +
_
IH
IL
DP3 2 1 0V
COM
V+
CAL
Vref
RA
LA
RB
a. 0.75 (0.03)
b. 10.00 (0.39)
c.
6.00 (0.24)
www.lascarelectronics.com
1 8
PO Box 770, Londonderry, NH 03053 1-800-821-0023
www.martelcorp.com