3-10 Model Series 2640
MODEL SERIES 2640
7/8” Diameter
Analog
Turns Counting Dial
MODEL SERIES 2646 2647 2641
2646S 2647S
Counting Capacity, Maximum Turns 20 15
For Shaft Diameter 1/4” 1/8”
For Bushing Diameter 3/8” 1/4”
Depth: Maximum, From Face of Panel 0.900” 0.82”
Shaft Extension: Maximum, From Face of Panel 0.781” 0.672”
Minimum, From Face of Panel 0.628” 0.469”
Bushing Extension: Maximum, From Face of Panel 0.300” 0.270”
Locking Mechanism Positive Action with Detent Positive Action
Weight, Nominal 0.60 oz.
Number of Set Screws 1 2 1
Numeral Height 0.050”
Knob Material Black Plastic
Dial Finish White Numerals on Black Matte
Housing Finish Satin Chrome
Operating Temperature Range –55°C to +71°C
Counting Capacity, Maximum Turns 15
For Shaft Diameter 1/4”
For Bushing Diameter 3/8”
Depth: Maximum, From Face of Panel 0.94”
Shaft Extension: Maximum, From Face of Panel 0.781”
Minimum, From Face of Panel 0.578”
Bushing Extension: Maximum, From Face of Panel 0.300”
Locking Mechanism Positive Action
Weight, Nominal 0.60 oz.
Number of Set Screws 1 2
Numeral Height 0.050”
Knob Material Black Plastic
Dial Finish White Numerals on Black Matte
Housing Finish Satin Chrome
Operating Temperature Range –55°C to +71°C
3-11 Model Series 2640
5 0
60
40
50
60
70
80
90
0
10
20
30
40
0
0
5 0
60
40
.875±.016
22.22±0.406
.58
14.7
9° Min.
.138
3.51
Max. Brake
Lever Travel
60°±5°
Max.
Mounting Surface
Mounting Surface
.90±.02
22.9±0.5
.496±.010
12.6±0.25 Dia.
Locating*
Plate
Adaptor
Plate
(if needed)
A Dia.
.078
1.98 Dia.
B
.94
23.88 Max.
.82
20.8
on 2601
Max.
+.0005
-.0000
+0.127
-0.000
.375
9.525
Dia.
.53±.02
13.46±0.51
Dia.
2641
2646S
2647S
.281
7.14
.406
10.3
.281
7.14
.375
9.53
2601
2606,2607,
2606S&2607S
MODEL Dim.A Dim.B
Nominal
Panel Hole Dimensions
2646
2647
*Model 2641 supplied with locating washer
instead of locating plate.
MODELS 2641, 2646, 2647, 2646S & 2647S
mm
INCH
3
