Instruction Manual

Global Water
800-876-1172 • globalw.com
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I) Inspection
a) Your 378 TEMPERATURE CONTROLLER unit was carefully inspected and
certified by our Quality Assurance Team before shipping. If any damage has
occurred during shipping, please notify Global Water Instrumentation, Inc. and
file a claim with the carrier involved.
II) Specifications
Model Type Range Resolution Accuracy
378KC K 0 to 1000°C 1°C ± 0.50% ± 1 count
378KF K 0 to 1999°F 1°F ± 0.50% ± 1 count
378JC J 0 to 550°C 1°C ± 0.40% ± 1 count
378JF J 0 to 1000°F 1°F ± 0.40% ± 1 count
On/Off control
Hysteresis: °C model 6°C (± 3°C)
°F model 10°F (± 5°F)
Proportional control
Proportional band Adjustable from on/off to 100°C or 100°F with built in
hysteresis
Cycle time 20 ± 3 second
Reset Manual adjust
General
Operating temp. 0 to 40
Analog output 1 mV/count, ± 0.30% of span ± 1 mV
T/C burnout Upscale
Output relay 8 A at 115 VAC, 4A at 230 VAC, resistive load
Power source 115/230VAC , ± 10% 50/60 Hz
Dimension 96mm X 48mm X 105mm
Weight 0.38 kgs