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Specifications
Operating temperatures
• Temperature: 40 to 170°C (104 to 338°F)
• Temperature uniformity:
• First pass uniformity equal to iterative custom systems
• Typical uniformity
• ±20°C (36°F) running open loop
• ±10°C (18°F) with simple feedback control
• As good as ±5°C (9°F) with short zone closed
loop control
• Typical uniformity performance represented in
below graph (results vary with applications)
Heated line fittings
• Fittings: elbow, tee and VCR
®
• Connectors: finger-proof rated
Control
• Open-loop
• Variable voltage
• Percent duty cycle (on)
• Thermocouple 0.062 in. (1.6 mm)
Product dimensions (straights)
• Min. length: 2 in. (51 mm)
• Max. length: 36 in. (914 mm)
• Line diameter: 0.25 in. (6.4 mm) and 0.50 in. (13 mm)
• Outside dimension:
0
20
40
60
80
100
120
140
160
180
Voltage
Weldment Temperature (°C)
20
40
60
80 100
120 140
160
180
200
220
240
RELIALINE Red
RELIALINE Black
0.25 in. (6.4 mm)
Tubing Dia.
0.5 in. (13 mm)
Tubing Dia.
Straight
1.12 (28.4) 1.39 (35.3)
Elbow/Tee
1.88 L x 2.03 H x 1.99 W
(47.8 L x 51.6 H x 50.5 W)
2.17 L x 2.14 H x 2.01 W
(55.1 L x 54.3 H x 51 W)
VCR
®
2.42 L x 2.20 H x 2.32 W
(61.4 L x 55.8 H x 58.9 W)
2.53 L x 2.57 H x 2.71 W
(64.2 L x 65.3 H x 68.8 W)
Temperature Coverage/Product Selection
140.0
150.0
160.0
170.0
180.0
190.0
200.0
210.0
220.0
Weldment Temperature (°C)
1
2
5
4
3
8
9
10
VCR2
VCR1
15
14
12
VCR2
T/C
#1
Elbow
#5
T/C
#2
T/C
#3
T/C
#4
T/C
#9
T/C
#10
T/C
#12
T/C
#14
T/C
#15
VCR1
Elbow
#8
Watlow RELIALINE Red
Competitor A
Competitor B
Electrical
• Voltage: as required to achieve temperature per
below chart-up to 240V max.
• Amperage: dependent on line length, up to 8A
max. for steady state, 15A max. start up (in-rush)
• Consult factory for exact in-rush current for
your system
Temperature Uniformity
Duty cycle vs. temperature
0
20
40
60
80
100
120
140
160
180
200
10 20 30 40 50 60 70 80 90 100
Percent Duty Cycle
Weldment Temperature (°C)
Red Power, 240V
Red Power, 120V
Black Power, 240V
Black Power, 120V
Average Weldment Temperatures at Duty Cycle
Outside Surface
Temperature at 170°C
Line Temperature
Line Temperature
Variation at 170°C
Operating Temperature
170.01
170
169.99
169.98
169.97
169.96
169.95
169.94
Min.:
169.937
110
105
100
95
90
85
80
75
70
65
Min.:
60.33
Max.:
113.14
Max.:
170.015
To be automatically connected to the nearest North American Technical Sales Office:
1-800-WATLOW2 • www.watlow.com • info@watlow.com
International Technical Sales Offices: Australia, +61-3-9335-6449 • China, +86-21-3950-9510 • France, +33 (0) 3073-2425 •
Germany, +49 (0) 7253-9400-0 • Italy, +39 (0) 2 458-8841 • Japan, +81-3-3518-6630 • Korea, +82-2-575-9804 • Malaysia, +60-3-7980-7741 •
Mexico, +52 (442) 217-6235 • Shanghai, +86-21-3950-9504 • Singapore, +65-6777-1266 • Spain, +34 91 675 1292 • Sweden, +46 35-27-11-66 •
Taiwan, +886-7-288-5168 • United Kingdom, +44 (0) 115-964-0777
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