Item #	TED4015
Temperature Stability	0.002 °C (24 hrs)
TEC Output	±15 A
Compliance Voltage	>15 V
Temperature Control Range	-55 to 150 °C
Resistance Measurement Range (2 Ranges)	100 Ω to 100 kΩ or 1kΩ to 1MΩ
Temperature Resolution	0.001 °C (0.1 Ω/1 Ω for Thermistors)

Applications

Precise Temperature Stabilization of Laser Diodes for Interferometry and Spectroscopy
Control Temperature Set Point via External Input (Active Laser Wavelength Stabilization)
Cooling of Detectors for Noise Reduction
Temperature Stabilization of Nonlinear Crystals
Temperature Stabilization of Industrial Systems

Features

Excellent Temperature Stability: 0.002 °C (24 hrs)
Digital PID Control with Separate P, I, and D Settings
Automatic PID Setting Function
Temperature Display in °C, °F, K
Adjustable Temperature Sensor Offset
Active Power Management for Efficient Power Use
Compatible Sensors:
- NTC Thermistors
- Current Temperature Sensors
- Voltage Temperature Sensors
- Platinum RTD Temperature Sensors
Control Modes:
- Constant Temperature
- Constant Current
Enhanced Security Features:
- Adjustable TEC Current Limit
- Adjustable Temperature Limits
- Temperature Window Protection
- Sensor Fault Protection
Interface and Drivers:
- USB Interface (SCPI Compliant)
- VXIpnp/VISA Drivers for Common Programming Environments like LabWindows/CVI™, LabVIEW™, and MS Visual Studio™

The TED4015 is a high-performance digital temperature controller designed to drive thermoelectric cooler (TEC) elements with currents up to ±15 A. It supports most common temperature sensors and can be adapted to different thermal loads. The TED4015 can be fully controlled via its robust, SCPI-compatible USB interface. The digital PID control offers an auto PID setting function or separate control of the P, I, and D parameters. The TED4015 boasts excellent temperature stability of 0.002 °C within 24 hrs, enhanced safeguard features, and error indicators, making this device ideal for cooling very sensitive devices where high stability, reliability, and precision is required.

Compared to our TED200C Temperature Controller, the TED4015 offers a wider TEC current range plus additional features like full digital control, easy auto PID setting, constant TEC current mode, set temperature protection, TEC voltage measurement, and adjustable temperature window protection. The TED4015 also offers silent operation.

Adaptability to Different Thermal Loads

The TED4015 can easily be adapted to different thermal loads by a digital PID loop. The P (proportional) gain, the I (integral) offset control, and the D (derivative or differential) rates can be individually adjusted by the user or by the auto PID function. With optimum PID parameters, the settling time for a temperature change of 1 °C for a laser mounted in our LM14S2 Laser Diode Mount is less than 2 seconds.

Supported Temperature Sensors

The TED4015 temperature controller supports almost all common temperature sensors. A sensor selection in the Temperature Control Menu allows the use of thermistors up to 1000 kΩ, the use of a temperature sensing IC (such as the AD590) or the use of platinum RTD sensors. The temperature can be displayed in Celsius, Fahrenheit or Kelvin. For thermistors, two temperature calculation methods can be selected: Steinhart-Hart or exponential. The maximum control range is -55 to 150 °C, limited by the rated temperature range of the connected sensor and thermal setup.

Enhanced Security Features

The TED4015 is designed for maximum TEC element protection and stable as well as reliable operation. An adjustable TEC output current limit prevents the controller from overdriving the TEC element. This limit can be set from 0.1 A to the current range of the controller. Adjustable temperature limits and the temperature window protection provide alerts if the temperature of the TEC element exceed certain values.

The system indicates the presence of an incorrect or missing temperature sensor and a bad connection between sensor and controller by an LED on the TEC "On" key and an audible warning signal. The TEC current is automatically switched off if an error occurs.

Temperature Monitor Output

The TED4015 provides a monitoring signal proportional to the difference between actual and set temperature. An oscilloscope or an analog data acquisition card can be connected directly to the rear panel BNC connector to monitor the settling behavior with different thermal loads.

Companion Products

Our LDC200C Laser Diode Controllers are ideal companions for the TED4015. When combined with our TEC laser mounts, the TED4015 can achieve a thermal stability of 0.001 °C. This temperature stability is required for applications like laser diode wavelength tuning and atomic absorption cell spectroscopy.

The TED4015 Ships with the Following Parts:

Laser Mount Cable for TED4015: 5 A, 17W2, D-Sub-9 (Item Number CAB4000, Also Sold Below)
DB-9 Connectors: 17W2, Male and Female, with Two High-Current 20 A Contacts (Item Number CON4001, Also Sold Below)
USB Cable A-B, 2 m
Driver CD
Certificate of Calibration
Operating Manual

Item #	TED4015
	Front Panel*	Remote Control*
TEC Current Output
Control Range	-15 A to +15 A
Compliance Voltage	>15 V
Maximum Output Power	>225 W
Resolution (Constant Current Mode)	1 mA	0.1 mA
Accuracy	±(0.2% + 20 mA)
Noise and Ripple (Typical)	<10 mA rms
TEC Current Limit
Setting Range	0.1 A to 15 A
Resolution	1 mA	0.1 mA
Accuracy	±(0.2% + 10 mA)
NTC Thermistor Sensors
Resistance Measurement Range	100 Ω to 100 kΩ / 1 kΩ to 1 MΩ (2 Ranges)
Control Range (Max)**	-55 to 150 °C
Resolution (Temperature)	0.001 °C
Resolution (Resistance, 100 kΩ/1 MΩ Range)	0.1 Ω / 1 Ω	0.03 Ω / 0.3 Ω
Accuracy (100 kΩ/1 MΩ Range)	±(0.06% + 1 Ω / 5 Ω)
Temperature Stability 24 hours (Typical)**	<0.002 °C
Temperture Coefficient	<5 mK/°C
IC Sensors
Supported Current Temperature Sensors	AD590, AD592
Supported Voltage Temperature Sensors	LM335, LM235, LM135, LM35
Control Range with AD590	-55 to 150 °C
Control Range with AD592	-25 to 105 °C
Control Range with LM335	-40 to 100 °C
Control Range with LM235	-40 to 125 °C
Control Range with LM135	-55 to 150 °C
Control Range with LM35	-55 to 150 °C
Resolution	0.001 °C	0.0001 °C
Accuracy AD590 Current	± (0.04% + 0.08 µA)
Accuracy LM335/LM35 Voltage	± (0.03% + 1.5 mV)
Temperature Stability 24 hours	<0.002 °C
Temperature Coefficient	<5 mK/°C
PT100/PT1000 RTD Sensors
Temperature Control Range	-55 to 150 °C
Resolution	0.001 °C	0.0003 °C
Accuracy PT100/PT1000 (4-Wire Measurement)	±0.3 °C/±0.1 °C
Temperature Stability 24 hours	<0.005 °C
Temperture Coefficient	<20 mK/°C
Temperature Window Protection
Setting Range T_win	0.01 to 100.0 °C
Protection Reset Delay	0 to 600 sec
Window Protection Output	BNC, TTL
Temperature Control Output
Load Resistance	>10 kΩ
Transmission Coefficient	ΔT x 5 V / T_win ± 0.2 % (Temperature Deviation, Scaled to Temperature Window)
TEC Voltage Measurement
Measurement Principle	4-Wire / 2-Wire
Resolution	100 mV	40 mV
Accuracy (with 4-wire Measurement)	±50 mV
Digital I/O Port
Number of I/O Lines	4 (Separately Configurable)
Input Level	TTL, Voltage Tolerant up to 24 V
Output Level (Source Operation)	TTL, Max 2 mA
Output Level (Sink Operation)	Open Collector, up to 24 V, Max 400 mA
Interface
USB 2.0	According USBTMC/USBTMC-USB488 Specification Rev. 1.0
Protocol	SCPI-Compliant Command Set
Drivers	VISA VXI pnp™, MS Visual Studio™, MS Visual Studio.net™, LabView™, Labwindos/CVI™
General Data
Safety Features	TEC Current Limit, Sensor Fault Protection, Short Circuit when TEC Off, Open Circuit Protection, Temperature Setpoint Limit, Window Protection, Over Temperature Protection
Display	LCD 320 x 240 pixels
Connector for Sensor, TE Cooler, TEC On Signal	17W2 Mixed D-sub Jack (female)
Connectors for Deviation Out / Window Protection Out	BNC
Connector for USB Interface	USB Type B
Chassis Ground Connector	4 mm Banana Jack
Line Voltage / Frequency	100 to120 V and 200 to 240 V ± 10%, 50 to 60 Hz
Maximum Power Consumption	600 VA
Operating Temperature	0 to 40 °C
Storage Temperature	-40 to 70 °C
Warm-Up Time for Rated Accuracy	30 min
Weight	5.3 kg
Dimensions (W x H x D) w/o Operating Elements	263 mm x 122 mm x 307 mm
Dimensions (W x H x D) with Operating Elements	263 mm x 122 mm x 345 mm

*Via front panel the resolution is limited by the display. Via Remote Control a higher resolution is offered.
**Control range and thermal stability depend on thermistor parameters.

All technical data valid at 23 ± 5 °C and 45 ± 15% relative humidity

TED4015 Front Panel

Click to Enlarge

Callout	Connection	Callout	Connection
1	Supply Power Switch	4	Escape Key
2	LC Display	5	TEC Status Indicator
3	Softkeys for Menu Navigation	6	Adjustment Knob

TED4015 Back Panel

Click to Enlarge

Callout	Connection	Callout	Connection
1	Actual Temperature Deviation Output "Deviation Out" -5 to 5 V	6	USB Connector
2	TTL Temperature Monitor Output "Temp OK Out" 5 V	7	4 mm Banana Jack for Chassis Ground
3	Serial Number of the Unit	8	MiniDin-6 Jack "Digital I/O"
4	Cooling Fan	8	MiniDin-6 Jack "Digital I/O"
5	TEC Element Output and Temperature Sensor Input "TEC Output"	9	Power Connector and Fuse Holder "Line In"

TEC Output

17W2 Mixed D-Sub Jack

Pin	Connection	Pin	Connection
1	Interlock, TEC ON LED (+)	10	PT100/1000 (-), AD590/592 (-), LM35 Out, LM135/235/335 (+)
2	Voltage Measurement TEC Element (+)	11	PT100/1000 (+), AD590/592 (+), LM35/135/235/335 (+)
3	Thermistor (-), PT100/1000 (-), Analog Ground	12	Analog Ground, LM35/135/235/335 (-)
4	Thermistor (+), PT100/1000 (+)	13	Not Connected
5	Analog Ground, LM35/135/235/335 (-)	14	I/O 1-wire (Currently Not Used)
6	Digital Ground for I/O 1-wire	15	Ground for 12 V Output and Interlock, TEC ON LED (-)
7	12 V Output (for External Fan, max. current = 500 mA)	S1	TEC Element (+) (Peltier Element)
8	Not Connected	S2	TEC Element (-)(Peltier Element)
9	Voltage Measurement TEC Element (-)	S2	TEC Element (-)(Peltier Element)

Digital I/O Ports

Digital I/O

Pin	Connection
1	I/O 1
2	I/O 2
3	I/O 3
4	I/O 4
5	GND
6	I/O Supply Voltage (+12 V from internal or higher external voltage up to +24 V)

Deviation Out

BNC Female

Actual temperature deviation output, -5 ... +5 V

Temp OK Out

BNC Female

Temperature OK output (high if inside temperature window), TTL 5 V

Computer Connection

USB Type B

USB Type B to Type A Cable Included

Ground

Banana Plug

4 mm banana jack for chassis ground

CAB4000 TEC Element Cable

This cable contains a DB-9 female connector on one side and a 17W2 male connector on the other side. Both views shown below are looking into the connector.

DB-9 Female Connector

17W2 Male Connector

Pin Matching
DB-9 Pin	17W2 Pin(s)
1	1, 15
2	4
3	3
4	2, S1
5	9, S2
6	No Connection
7	10
8	5, 12
9	11
Shield	Shield

DB-9 Connector Colors
Pin	Color
1	White
2	Pink and Gray
3	Red and Blue
4	Pink, Red, and Purple
5	Black, Gray, and Blue
6	No Connection
7	Yellow
8	Brown
9	Green

17W2 Connector Colors
Pin	Color	Pin	Color
1	White	10	Yellow
2	Red	11	Green
3	Red and Blue	12	Brown
4	Pink and Gray	13	No Connection
5	Brown	14	No Connection
6	No Connection	15	White
7	No Connection	S1	Purple and Pink
8	No Connection	S2	Black and Gray
9	Blue	S2	Black and Gray

Sample Screens of the TED4000

Measurement Screen		Menu Screen
	The top of this screen shows the Temperature Setpoint: temperature in Constant Temperature Mode and current in Constant Current Mode. At the bottom the actual measured value is shown. The units depend on the attached sensor. Peltier Current, Peltier Voltage and Peltier Power can be shown as well. A status line shows warnings and error-messages.		The menu screen allows selecting different operation modes and options.
Temperature Controller Screen		Temperature Mode Settings Screen
	Via the Temperature Controller Screen all parameters for the temperature controller are entered: Operation Mode, Current Limit, Current Control Mode Settings, Temperature Sensor Settings.		This Screen offers access to the PID and Temperature Limit Settings.
PID Auto-Tune Screen		Preference Screen
	Via this Screen the PID auto parameter function is started. The TED4000 selects optimal PID parameters for the current settings.		This Screen offers access to the device preferences, i.e. operation and display modes.

Software for the TED4000 Series

Use this link to download the below software packages:

The available software is organized into the following categories:

Drivers: Instrument drivers to directly operate the device via external software to extend or adapt the functionality to user specific requirements.
Utility Module: Thorlabs Device Firmware Upgrade Wizard to install new firmware.
Utility Module: Thorlabs Instrument Communicator 2 for instrument communication functionality.

The TED4015 ships with the following Parts:

TED4015	Part
x	Benchtop Temperature Controller, ±15 A/225 W (TED4015)
x	Cable TED4000 to laser mount, 5 A, 17W2, D-Sub-9 (CAB4000)
x	USB Cable A-B, 2 m
x	Operation Manual TED4015
x	Distribution CD 4000 Series
x	Mixed D-Sub connector 17W2, male & female with 2 high current contacts each, 20 A (CON4001)

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225 W TEC Controller

Applications

Features

Adaptability to Different Thermal Loads

Supported Temperature Sensors

Enhanced Security Features

Temperature Monitor Output

Companion Products

The TED4015 Ships with the Following Parts:

TED4015 Front Panel

TED4015 Back Panel

TEC Output

17W2 Mixed D-Sub Jack

Digital I/O Ports

Deviation Out

BNC Female

Temp OK Out

BNC Female

Computer Connection

USB Type B

Ground

CAB4000 TEC Element Cable

Sample Screens of the TED4000

The TED4015 ships with the following Parts: