THORLABS PM10-3 User manual

Operation Manual

Thorlabs Instrumentation

Optical Power Meter System

PM10-3

PM10-10

2006

Version: 1.04 M0009-510-405

Date: 12.05.2006

Contents Page

1Safety 1

2Description 3

2.1 Parts List – Accessories 3

2.2 Operating Elements 4

2.3 Operating Instruction 5

1. Connect the Thermal Sensor 5

2. Connect the PM10 to a DVM 5

3. Switch on the PM10 5

4. Zero the Meter 6

5. Measure the Optical Power 6

2.4 Technical Data 7

2.4.1 PM10 Thermal Head Interface 7

2.4.2 S210A 3W Thermal Sensor 8

2.4.3 S212A 10W Thermal Sensor 9

3Calibration and Warranty 10

3.1 Calibration 10

3.2 Warranty 10

4Service and maintenance 12

4.1 General Care 12

4.2 Cleaning 12

4.3 Battery replacement 12

4.4 Repair 13

4.5 Certifications and Compliances 14

4.6 Thorlabs “End of Life” policy (WEEE) 15

4.6.1 Waste treatment on your own responsibility 15

4.6.2 Ecological background 16

4.7 Addresses 17

We aim to develop and produce the best solution for your application in the

field of optical measurement technique. To help us to come up to your

expectations and develop our products permanently we need your ideas and

suggestions. Therefore, please let us know about possible criticism or ideas.

We and our international partners are looking forward to hearing from you.

Thorlabs

Attention

This manual contains “WARNINGS” and “ATTENTION” label in this

form, to indicate danger for persons or possible damage of equip-

ment.

Please read these advises carefully!

NOTE

This manual also contains “NOTES” and “HINTS” written in this form.

2.1 Parts List – Accessories

PM10 / page 1

1 Safety

Attention 

All statements regarding safety of operation and technical data in

this instruction manual will only apply when the unit is operated

correctly.

Use only the power cord specified for the unit.

Do not operate the power meter if its panels are removed or any of

the interior circuitry is exposed

Do not operate the power meter in wet or damp conditions, or in an

explosive atmosphere.

Operate the power meter only within the specified voltage range

Do not apply voltage outside the specified range of the input connec-

tions

Do not operate the power meter if there are suspected failures. Refer

damaged units to qualified Thorlabs service personnel

2.1 Parts List – Accessories

PM10 / page 2

Attention 

This equipment has been tested and found to comply with the limits

for a Class A digital device, pursuant to part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against

harmful interference when the equipment is operated in a commer-

cial environment. This equipment generates, uses, and can radiate

radio frequency energy and, if not installed and used in accordance

with the instruction manual, may cause harmful interference to radio

communications. Operation of this equipment in a residential area is

likely to cause harmful interference in which case the user will be

required to correct the interference at his own expense.

Standard shielding and filtering measures have to be undertaken to

avoid interferences with other electronic equipment!

NOTE

Please check prior to operation, if the line voltage range, indicated on the

power supply agrees with your local supply

2.1 Parts List – Accessories

PM10 / page 3

2 Description

The Thorlabs PM10 Power Meter system is an easy to use, flexible optical power

measurement system with thermal sensor in combination with any Digital Voltmeter

(DVM) with 19mm connector distance. All operating elements are designed for

easiest use. The circuitry is designed for fast response time.

The Thorlabs’ thermal power meter sensors feature a broad wavelength range with a

flat spectral response from 0.25 to 10.6µm. Please refer to www.thorlabs.com for

new sensors that will enhance the PM10 system.

The unit is powered by a 6V photo battery for long life operating times.

2.1 Parts List – Accessories

The power meter system consists of the following items:

•PM10 thermal head interface

•Operation manual

Depending on the order code the power meter system comes with one of the sensors

given below:

PM10-3: S210A – Thermal Power Head; 20mW – 3W; 250nm – 10.6µm

PM10-10: S212A – Thermal Power Head; 20mW – 10W; 250nm – 10.6µm

When unpacking the PM10 system the first time, please check if all items are present

and in good condition. If any items are missing or damaged please advise Thorlabs

immediately for issuing a Returned Material Authorization (RMA) for this instrument.

2.2 Operating Elements

PM10 / page 4

2.2 Operating Elements

Figure 1 PM10 Front Panel

Figure 2 PM10 Side Panel

On Switch and

Gain Selector

Probe Zero Adjust

Low Battery

Indicator

DB9 Sensor Jack

Analog Output

(DVM in)

GND V+

2.3 Operating Instruction

PM10 / page 5

OFF/Gain Switch Switches the unit on and sets the gain to multiply the

voltage from the thermal sensor by a factor of 100 or 1000.

Model Sensor

Responsivity Gain x100

Resp. – Pmax (UDVM) Gain x1000

Resp. – Pmax (UDVM)

PM10-3 1mV/W 0.1V/W - 3W (0.3V) 1V/W - 2W (2V)

PM10-10 1mV/W 0.1V/W - 10W (1V) 1V/W - 2W (2V)

Probe Zero Adjust Is used to compensate ambient thermal effects by adjusting

the meter to zero.

The adjusting range is about +/- 25 % of each power range.

Low Battery Indicator The red LED lights up when the battery voltage gets under

a level where the measurement gets influenced. When the

LED is flashing it is time to replace the battery.

DB9 Sensor Jack Accepts all Thorlabs S2xxA series detectors.

Analog Output These two banana connectors output a voltage from 0.0 to

2.0V corresponding to the gain setting.

2.3 Operating Instruction

1. Connect the Thermal Sensor

Plug the DB-9 connector of the optical head into the jack located on the side of

the box and secure the two screws.

2. Connect the PM10 to a DVM

Plug the PM10 box into the voltage inputs of a DVM.

3. Switch on the PM10

Switch from the off position to the desired gain setting (x100, x1000)

2.3 Operating Instruction

PM10 / page 6

4. Zero the Meter

Set the gain according the power to be measured and zero the voltage reading

of the DVM with the Zero Adjust potentiometer.

5. Measure the Optical Power

Place the sensor in the path of the laser beam and read the optical power on

the display of the connected DVM. Note: The decimal point of the voltage

reading may not correspondent to the decimal point of the optical power.

Attention 

Refer to the sensor data sheet and pay attention to the optical

damage threshold!

Exceeding these values will permanently destroy the sensor!

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