Watlow Model 26 User manual

Watlow
Brand
Watlow
Model
Model 26
Category
Cable network testers
Type
User manual

Watlow Model 26 is a temperature controller designed to fit into a plastic track and operate with other identical units for controlling a hot melt machine. The control operates from a 100-ohm platinum sensor, has an On/Off control mode, and a relay output rated 2 amperes AC. The set point can range from 150°F to 450°F using an integral set pot and calibrated scale, giving users precise temperature control within this range. Additionally, the Watlow Model 26 offers a sensitivity of 1°F ± 0.5°F, ensuring accurate temperature regulation.

Watlow Model 26 is a temperature controller designed to fit into a plastic track and operate with other identical units for controlling a hot melt machine. The control operates from a 100-ohm platinum sensor, has an On/Off control mode, and a relay output rated 2 amperes AC. The set point can range from 150°F to 450°F using an integral set pot and calibrated scale, giving users precise temperature control within this range. Additionally, the Watlow Model 26 offers a sensitivity of 1°F ± 0.5°F, ensuring accurate temperature regulation.

TEMPERATURE
CONTROLLER
~--
1
.500
(
(38,1
mm)
3
.000
(76,2
mm)
GE
NERAL
:
The
Model
26-O1-AA
temperature
control
is
designed
to
fit
into
a
plastic
track
and
operate
with
other
identical
units
for
controlling
a
hot
melt
machine
.
The
control
operates
from
a
100-ohm
platinum
sensor
.
The
output
is a
relay
contact
closure
to
signal
a
require-
ment
for
heat
.
SPECIFICATION
S
:
PG~ER
:
230 volts,
50/60
Hz
.,
+
10%
.
POWER
REQUIREMEN
T
:
4 V.A
.
maximum
.
SET
POINT
RANGE
:
_SE
NSOR
:
Platinum
sensor,
100
ohms
at 32°F
.
RT
=
125
.37
ohms
@
150°F
.
RT
=
156
.90
ohms
@
300°F
.
RT
=
187
.63
ohms
@
450°F
.
Set
pointrange
150°F
to
450°F using
calibrated
scale
.
QLD
NU
.
C
o
-
C
-
7
/-
f%,Pt
'~W
R°
MOB
am
(~
o
WINONA,
MINNESOTA
55987
1265
EAST
SANBORN
STREET
DATA
SHEET
MODEL
26-O1-AA
10-26-78
an
integral
set
pot and
Page
l
of
2
PHONE
507
454-5300
TEMPERATURE
CONTROLLER
GE
NERAL
:
The
Model
26-O1-AA
temperature
control
is
designed
to
fit
into
a
plastic
track
and
operate
with
other
identical
units
for
controlling
a
hot
melt
machine
.
The
control
operates
from
a
100-ohm
platinum
sensor
.
The
output
is a
relay
contact
closure
to
signal
a
require-
ment
for
heat
.
SPECIFICATION
S
:
PGdER
:
230 volts,
50/60
Hz
.,
+
10%
.
POWER
REQUIREMEN
T
:
4 V.A
.
maximum
.
SET
POINT
RANGE
:
_SE
NSOR
:
Platinum
sensor,
10
;0
ohms
at 32°F
.
RT
=
125
.37
ohms
@
150°F
.
RT
=
156
.90
ohms
@
300°F
.
RT
=
187
.63
ohms
@
450°F
.
OLD
NU
.
2Co
-
C)
I
-
f~,k
CJR°
MOB
HUH©
WINONA,
MINNESOTA
55987
Set
pointrange
150°F
to
450°F using
calibrated
scale
.
r
Z2
.
,v
om
(~
n
1265
EAST
SANBORN
STREET
DATA
SHEET
MODEL
26-O1-AA
10-26-78
1
.625
-
(41,2
mm)
-
.062
I
(1,5
mm)
an
integral
set
pot and
Page
1
of
2
PHONE
507
454-5300
TEMPERATURE
CONTROLLER
CONTROL
MODE
:
The
control
mode
is
On/Off
.
Sensitivity
is
1°F
+ 0
.5°F
between
power
on
and
power
off
.
OUTPUT
:
Relay
output,
rated
2
amperes
A
.C
. ;
resistance
load
on
240
volts
A
.C
.
OPERATING
AMBIENT
TEMPERATURE
:
50°F
to
140°F
.
SENSOR
BREAK
CONDITION
:
If
sensor
leadsopen
output
relay
will
de-energize
removing
power
from
heater
load
.
CONNECTION
DIAGRAM
:
240
VAC
Q
L
FJ
p
.~
U
:1
1
,
_
.
~~
_
t
2-26
-
79
WgMlyLa
n~
~w
0H
(D
HQ
v
0[mC~
.
Page
2
of
2
WINONA,
MINNESOTA
55987
1265
EAST
SANBORN
STREET
PHONE
507
454-5300
EQUI
_
:
1
.
Tester
# 111
2
.
100a
Decade
Do
;-,
,
3
.
Range
4
.
230
VAC
transformer
(check
paperwork
for
operating
voltage)
1
.
Hook
decade
box
to
sensor
terminals
.
2
.
If
needed,
plug
tester
into
230 VAC
.
TEST
_PROCEDURE
:
1
.
Place
unit
on
jig
.
Turn
power
ON
.
Set
decade
box
to MID
.
Turn
set pot
until
relaymonitor
just
turns
ON
.
2
.
Apply
stick-on
scale
as
illustrated
.
Mid
scale
mark
shculd
be
centered
on
screwdriver
adjust
.
Mark
slot with
red
varnish
.
June
25,
1986
eet
3
.
Check
switchingsensitivity
.
Should
be
.2
±
.1(l^F
±
.5)
.
WINONA,
MINNESOTA
55987
1265
iA
-
ST
~SANBORN
STREET
MODEL 26-01-AA
Test
Procedure
4
.
Set
decade
box
to
Lo End
.
Relay
monitor
-should
turn
OFF
at
Lo
End
±
10%
of
span
.
PHONE
50454-530O
A007-907-0000
150°F
-
450°F
/
230 VAC
2/2-o1,J-
Lo
150°F
125.80
%'
:`"%Z
-'>-
C?
2
(
'
"
-c
=-
o,=
;
Mid
300°F
157.88
Hi
450°F
189.14
A007-907-100
50°F
-
250°F
/
115
VAC
Lo
50°F
103.97
Mid
150°F
125.80
Hi
250°F
147.28
A007-907-200
50
0
F -
250°F
/
230
VAC
Lo 50°F
103
.97
Mid
150°F
125
.80
Hi
250°F
147
.28
~02CIFLC~w
%WUHoma
'p
UVAQo
RANGE
SHEET
26-01-AA
11-17-82
WINONA,
MINNESOTA
55987
1265
EAST
SANBORN
STREET
PHONE
507
454-5300
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Watlow Model 26 User manual

Watlow
Brand
Watlow
Model
Model 26
Category
Cable network testers
Type
User manual

Watlow Model 26 is a temperature controller designed to fit into a plastic track and operate with other identical units for controlling a hot melt machine. The control operates from a 100-ohm platinum sensor, has an On/Off control mode, and a relay output rated 2 amperes AC. The set point can range from 150°F to 450°F using an integral set pot and calibrated scale, giving users precise temperature control within this range. Additionally, the Watlow Model 26 offers a sensitivity of 1°F ± 0.5°F, ensuring accurate temperature regulation.

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