Ordering information – Watlow Series 142 User Manual
Page 6
6
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User’s Manual
Watlow Series 142
(2071)
To order, complete the code number
to the right with the information below:
1 4 2 A - _ _ _ _ - _ _ 0 0
Series 142 = Temperature safety limit,
limit, latching 3A relay, environmentally sealed
controller, or basic on-off temperature controller
Output Type
A =
Electromechanical relay
1
, Form C, 3A, with RC
suppression on on-off temperature controller, without
contact suppression on limit controller
Set Point
2 =
Remote/Adjustable
2
3 =
Fixed (See below for available factory-fixed set points)
Input (Thermocouple)
ANSI Type E
669 =
110°C
(230°F)
679 =
185°C
(365°F)
682 =
302°C
(575°F)
685 =
129°C
(265°F)
684 =
232°C
(450°F)
664 =
566°C
(1050°F)
670 =
150°C
(302°F)
675 =
260°C
(500°F)
668 =
155°C
(311°F)
678 =
296°C
(565°F)
Ordering Information
1 Electromechanical relays war-
ranted for 100,000 closures
only.
2 User selectable range. Consult
factory for details. Setpot
required, sold separately.
3 CSA
US
Gas Appliance
Thermostat approved.
4 Not within calibration toler-
ance range per ANSI circular
MC96.1.
Note: User documentation may
be available in French, German,
Spanish, Italian, and Dutch, as
well as English. Check Watlow’s
website (www.watlow.com/) for
availability. Specify language at
time of order.
ANSI Type J
706 =
0 to 315°C
(32 to 600°F)
626 =
10°C
(50°F)
718 =
16°C
(61°F)
653 =
46°C
(115°F)
666 =
63°C
(145°F)
686 =
65°C
(149°F)
609
3
=
68°C
(155°F)
681 =
79°C
(175°F)
672 =
85°C
(185°F)
600
3
=
93°C
(200°F)
688 =
102°C
(215°F)
601
3
=
107°C
(225°F)
719 =
110°C
(230°F)
602
3
=
121°C
(250°F)
715 =
129°C
(265°F)
603
3
=
275°F
(135°C)
604
3
=
300°F
(149°C)
605
3
=
325°F
(163°C)
606
3
=
350°F
(177°C)
707 =
360°F
(182°C)
607
3
=
375°F
(191°C)
608
3
=
400°F
(204°C)
699
3
=
425°F
218°C()
689 =
444°F
(229°C)
704 =
465°F
(240°C)
698
3
=
450°F
(232°C)
612
3
=
475°F
(246°C)
613
3
=
500°F
(260°C)
614 =
525°F
(274°C)
615 =
550°F
(288°C)
616 =
575°F
(302°C)
617 =
316°C
(600°F)
618 =
329°C
(625°F)
693 =
343°C
(650°F)
620 =
357°C
(675°F)
621 =
371°C
(700°F)
622 =
385°C
(725°F)
623 =
399°C
(750°F)
624 =
413°C
(775°F)
625 =
427°C
(800°F)
627 =
454°C
(850°F)
628 =
468°C
(875°F)
696 =
482°C
(900°F)
630 =
496°C
(925°F)
631 =
510°C
(950°F)
632 =
524°C
(975°F)
633 =
538°C (1000°F)
ANSI Type K
716 =
50°C
(122°F)
711 =
52°C
(125°F)
125 =
125°C
(257°F)
619 =
149°C
(300°F)
667 =
238°C
(460°F)
671 =
288°C
(550°F)
695 =
300°C
(572°F)
690 =
315°C
(600°F)
674 =
700°C
(700°F)
677 =
420°C
(788°F)
629 =
427°C
(800°F)
691 =
468°C
(875°F)
634 =
565°C (1050°F)
635 =
593°C (1100°F)
636 =
621°C (1150°F)
673 =
648°C (1198°F)
637 =
649°C (1200°F)
638 =
677°C (1250°F)
639 =
704°C (1300°F)
640 =
732°C (1350°F)
687 =
750°C (1382°F)
717 =
399°C
(750°F)
641 =
760°C (1400°F)
642 =
788°C (1450°F)
643 =
816°C (1500°F)
644 =
843°C (1550°F)
645 =
871°C (1600°F)
646 =
899°C (1650°F)
647 =
927°C (1700°F)
648 =
954°C (1750°F)
649 =
982°C (1800°F)
650 = 1010°C (1850°F)
651 = 1038°C (1900°F)
652 = 1066°C (1950°F)
692 = 1093°C (2000°F)
654 = 1121°C (2050°F)
655 = 1149°C (2100°F)
656 = 1177°C (2150°F)
657 = 1204°C (2200°F)
658 = 1232°C (2250°F)
659 = 1260°C (2300°F)
660 = 1288°C (2350°F)
661
4
= 1316°C (2400°F)
662
4
= 1343°C (2450°F)
663
4
= 1371°C (2500°F)
ANSI Type T
708 =
-20°C
(-4°F)
705 = -200 to 350°C (-328 to 662°F)
680 =
16°C
(60°F)
714 =
79°C
(175°F)
694 =
135°C
(275°F)
712 =
175°C
(347°F)
713 =
200°C
(392°F)
710 =
250°C
(482°F)
Line Voltage/Power
1 = 120V~
2 = 208/240V~
Control Operation
2 = High Limit Control—Manual reset on power loss and overtemperature
3 = High Limit Control—Auto reset on power loss/manual reset on
overtemperature
4 = Temperature Control—on-off heat