Appendix A: Options and Accessories
TDS 620A, 640A & 644A User Manual AĆ3

Option 23: Additional Probes Ċ (TDS 620A only)

!+5* 5*+4 015+0/ ',530/+94*+14 580 #&&+5+0/#- 130$'4 +&'/5+%#- 50 5*' 580
45#/&#3&<#%%'4403:  130$'4 /03.#--: 4*+11'& 8+5* 5*' +/4536.'/5
*+4 1307+&'4 0/' 130$' (03 '#%* (30/5<1#/'- +/165

Option 24: Add Four Passive Probes

!+5* 5*+4 015+0/ ',530/+94*+14 (063 1#44+7' "  130$'4

Option 95: Calibration Data Report

!+5* 5*+4 015+0/ ',530/+94*+14 # %#-+$3#5+0/ &#5# 3'1035 8+5* 5*'
+/4536.'/5

Option 96: Calibration Certificate

!+5* 5*+4 015+0/ ',530/+94*+14 # '35+(+%#5' 0( #-+$3#5+0/ *+4 %'35+(+%#5'
45#5'4 5*' +/4536.'/5 .''54 03 '9%''&4 #-- 8#33#/5'& 41'%+(+%#5+0/4 #/& *#4
$''/ %#-+$3#5'& 64+/) 45#/&#3&4 #/& +/4536.'/54 8*04' #%%63#%+'4 #3'
53#%'#$-' 50 5*' #5+0/#- /45+565' 0( 5#/&#3&4 #/& '%*/0-0): #/ #%%'15'&
7#-6' 0( # /#563#- 1*:4+%#- %0/45#/5 03 # 3#5+0<%#-+$3#5+0/ 5'%*/+26' *'
%#-+$3#5+0/ +4 +/ %0.1-+#/%' 8+5*  << *+4 015+0/ +/%-6&'4 #
5'45 &#5# 3'1035 (03 5*' 04%+--04%01'
*' (0--08+/) 45#/&#3& #%%'4403+'4 #3' +/%-6&'& 8+5* 5*' &+)+5+;+/) 04%+--0<
4%01'
TableĂAĆ2:ăStandardAccessories
Accessory Part Number
4'3 #/6#- <<""
30)3#..'3 #/6#- <<""
'('3'/%' <<""
'3(03.#/%' '3+(+%#5+0/ <<""
30/5 07'3 <<
 08'3 03& <<
30$'4   26#/5+5: (063
" #44+7'  ;
 26#/5+5: 580 " %5+7'
 ;

 4+/)-' 6/+5
StandardAccessories