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Yokogawa UT37 UT37E Digital Indicating Controller 
comes with what you see in the pictures. If you don't see it, you probably won’t get it. 
Specifications are from manufacturer and may vary slightly due to upgrades, options, or revisions this unit may or may not have. 
Discontinued – Replaced by UT4501 or UT551-1 
Suggested List Price: 
$700.50 (OEM 04/30/09 MQF) 
Model Number: 
UT37E (w/ hardware) 
Serial Number : 
Electrical : 100-240VAC, 50/60Hz 
Includes Hardware 
Copy of User Manual & Calibration Instructions Included 
Product Description: 
The U37 digital indicating controller uses a universal input/output system. The UT37 is a highly accurate and sophisticated, easy-to-operate digital indicating controller with an input sampling period of 200ms and measurement accuracy of +0.2%. 
Universal input/output system 
Simple operations (using four keys) 
Compact Size (96 x 96 x 100mm) 
SUPER function 
Coordinated operation 


Input Sampling Period: 200ms 
Input Accuracy: ±0.2 (or ±0.25%) of F.S. ±1 digit 
Input Resistance: Thermocouple Input: 1M ohm or more; Voltage Input Approx: 1M ohms 
Permissible Signal Source Resistance: Thermocouple: 250 ohms or less; Voltage: 2K ohms or less 
Permissible Wiring Resistance: RTD Input: 10 ohms or less/wire 
Permissible Input Voltage: Thermocouple, DC Voltage/Current Input: Within ±10V 
Noise Rejection Ratio: Normal Mode: 40dB (50/60Hz) or more; Common Mode: 120dB (50/60Hz) or more 
Filter: OFF, 1 to 120 sec (first order lag. OFF: no filter) 
Measured Input Bias: -100.0 to 100% of measuring span 
Thermocouple Standards: IEC/DIN (U and L)/JIS 
RTD Standards: IEC/DIN/JIS ’89 JPT100, PT100 
Display Contents: Process Variable (PV), Setpoint/Parameter, Status Lamps (6) 
Process Variable Display: 4-digit, 7-segment LEDs (red) 
Setpoint or Parameter Display: 3-digit 4-digit, 7-segment LEDs (red) 
Deviation Monitor: Green LED lights when deviation is within ±1.0 of F.S. If deviation exceeds this range, Orange LED lights. 
Measured Input: Within instrument range 
Target Value (setpoint): 0 to 100% of the range 
Setpoint High and Low Limits: 0 to 100% of the range 
Proportional Band (P): 0.1 to 999.9% 
Integral Time (I): OFF, 1 to 6000sec (OFF: Integral action is OFF) 
Derivative Time (D): OFF, 1 to 6000sec (OFF: Derivative action is OFF) 
Thermocouple Input: 1°C to 0.1°C (1°F or 0.1°F) 
RTD Input: 0.1°C (0.1°F) 
Number of Selectable Setpoints: 2 
Number of PID Settings: 2 (to be set for each setpoint) 
Setpoint Selection: Voltage-free remote contact (External contact rating: 12VDC or more, 10mA or more) 
Output Type: Time proportional PID (relay output); Time proportional PID (voltage pulse output for driving external SSR); Continuous output PID (4 to 20mA DC output); ON/OFF (relay output) 
Relay Output Contact Rating: 250VAC, 3A (resistive load) 
Voltage Pulse Output: ON Voltage: Approx. 12VDC or more (load resistance: 60 ohms or more); OFF Voltage: 0.1VDC or less 
4 to 20mA DC Output: Load resistance of 600 ohms or less, accuracy of ±0.3% of F.S.; output updating period of 200ms 
Cycle Time: 1 to 240sec (relay and voltage pulse output) 
Output High and Low Limits: -5 to 105% 
Setting Alarm Function Content: Process variable high and low limits, deviation high and low limits, etc. (selectable for each point from among 20 types. Timer function can be specified) 
Alarm Value: 0 to 100% of the set range 
Number of Alarm Settings: 2 
Alarm Output: Relay output contact rating: 250VAC, 1 (resistive load) 
Display: LED lamp display on the front panel 
Operating Ambient Temperature: 0 to 50°C 
Operating Ambient Humidity: 20 to 90% R.H. (non-condensing) 
Operating Temperature Compensation Error: 0 to 50°C: ±1°C 
Magnetic Field: 400 AT/m or less 
Warm-Up Time: 30 min or more 
Ambient Temperature Effect: Input stability: within (±1uV/°C or ±0.01°C, whichever is greater); Output stability: within (4 to 20mA DC) ±0.05%/10V) 
Power Supply Variation: Input stability: within (±1uV/10V or ±0.01°C, whichever is greater); Output stability: within (4 to 20mA DC) ±0.05%/10V) 
Storage Temperature: -25 to 70°C 
Storage Humidity: 5 to 95% R.H. (non-condensing) 
Construction: Dustproof, drip-proof construction (front panel) 
Mounting: Flash mounting 
Case: Plastic molding (ABS resin) 
Dimensions: 96W x 96H x 100D mm 
Weight: Approx. 1kg 
Insulation Resistance: Between each terminal and ground: 20M ohms or more at 500VDC 
Withstand Voltage: Between power terminals and ground: 1500VAC for 1min; Between input terminals and ground: 1000VAC for 1min; Between output terminals and ground: 1500VAC for 1min 
Supply Voltage: 100 to 240VAC (universal power supply) (permissible supply voltage rang: 90 to 250VAC) 
Power Frequency: 50/60Hz common 
Power Consumption: Approx. 12A (100V) 
Memory Protection: Nonvolatile memory 

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