Laser Power Meter

  • Update:Sep 16, 2020
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The measurement of laser power is quick and simple with our power meter. The hand held power meter is a low cost light weight alternative to bulky two-piece thermopile power meters and probes.

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STCH Series Lasers Power Meters

A laser power meter consists of a laser power sensor (or called detector head) , display unit and relevant accessories. Our sensors can measure the laser beams at the laser wavelengths from 190nm to 25um and maximum laser power of 5000W. These power meters are used in the laser power measurement and monitoring.

laser power meter

1. Laser Power Sensors & Monitorslaser power meter

Detectable Spectral Range : 0.19 to 25μm

The sensors and monitors are sensitive and thus can be used to monitor laser power inside lasers and laser machines for on-time monitoring. Also can be used in compact & portable laser power meters.

General Specifications

Spectral range (μm)

0.19 - 25

Maximum power (W)

Reference radiator size and light spot size

Maximum detector aperture (mm)

≤ 50

Uniformity (±%)

< 1,< 3,< 5

Measurement uncertainty (±%)

< 1

Nonlinearity with power (±%)

< 1

Power accuracy (±%)

< 2.5

Detector type

MA

HQ

VG

Maximum average power density

20kW/cm²,40W,CW

0.5kW/cm²,40W,CW

0.05kW/cm²,40W,CW

Maximum energy density

0.15J/cm², 1064nm,1ns

0.25J/cm²,1064nm, 1ns

1.6J/cm²,1064nm,1ns

Specifications

Dimensions and types of sensor

(mm)

Dimensions of heat sink

(mm)

Cooling method

Response time  (sec.)

Maximum detector aperture (mm)

Power range

Φ32 x 3 sensor o

38x38x29

Air-cooled

< 1

19

10mW - 10W

Φ44 x 3 sensor a

57x57x44

Air-cooled

< 1

19

10mW - 20W

Φ44 x 3  sensor a

65x65x50

Air-cooled

< 1

19

10mW - 40W

Φ44 x 3 sensor b

6 x65x95

Fan-cooled

< 1

19

10mW - 150W

Φ72 x 3 sensor c

100x100x80

Air-cooled

< 2

40

100mW - 100W

Φ72 x 3 sensor d

125x125x95

Air-cooled

< 2.5

40

100mW - 200W

Φ72 x 4 sensor e

100x100x 09

Fan-cooled

< 2.5

40

100mW - 250W

Φ72 x 5 sensor f

125x125x136

Fan-cooled

< 3.5

40

300mW - 350W

2. OEM Laser Power Sensorslaser power meter

The sensors can be used for online monitoring laser power in laser machining systems. Various output signals and spectrum range are available upon request.

Part number

STCH-020-MA-19

STCH-050-MA-19

Output signal

Analog/RS232 digital/USB digital

Analog/RS232 digital/USB digital

Spectral range, μm

0.19 - 25

0.19 - 25

Minimum power, mW

10

30

Maximum power(W)  Standalone

10

15

Maximum power(W)  Heatsink

20

50

Measurement capability

 

 

Resolution, mW

0.2

0.5

Measurement uncertainty, ±%

< 1

< 1

Nonlinearity with power, ±%

< 1

< 1

Power accuracy, ±%

< 3

< 3

Response time, sec.

< 1

< 1

Detector type

MA

MA

Detector aperture, mm

19

19

Damage threshold

 

 

Maximum average power density

20kW/cm²,10W,CW

20kW/cm²,10W,CW

Maximum energy density

0.15J/cm², 1064ns, 1ns

0.15J/cm², 1064ns, 1ns

Physical characteristics

 

 

Dimensions, mm

50 × 50 × 29

60 × 60 × 29

Cooling method

Air-cooled

Air-cooled

Cable length, m

1.5

1.5

3. 10mW-40W Laser Power Sensorslaser power meter

Part number

STCH-20F-MA-10

STCH-20F-HQ-10

STCH-20F-VG-10

STCH-40F-MA-19

STCH-40F-HQ-19

STCH-40F-VG-19

Spectral range, μm

0.19 - 25

0.19 - 25

0.19 - 25

0.19 - 25

0.19 - 25

0.19 - 25

Power range

10mW - 20W (60W)

10mW - 20W (60W)

10mW - 20W (60W)

10mW - 40W (80W)

10mW - 40W (80W)

10mW - 40W (80W)

Intermittent measurement power

20W (Cont.), 40W (3min), 60W (2min)

20W (Cont.), 40W (3min), 60W (2min)

20W (Cont.), 40W (3min), 60W (2min)

40W (Cont.), 60W (3min), 80W (2min)

40W (Cont.), 60W (3min), 80W (2min)

40W (Cont.), 60W (3min), 80W (2min)

Resolution

0.5

0.5

0.5

0.5

0.5

0.5

Measurement uncertainty ±%

< 1

< 1

< 1

< 1

< 1

< 1

Nonlinearity with power±%

< 1

< 1

< 1

< 1

< 1

< 1

Power accuracy ±%

< 3

< 3

< 3

< 3

< 3

< 3

Response time, sec.

< 1

< 1.5

< 3

< 1

< 1.5

< 3

Detector type

MA

HQ

VG

MA

HQ

VG

Detector aperture(mm)

10 (19)

10 (19)

10 (19)

19

19

19

Maximum average power density

20kW/cm²,

10W, CW

0.5kW/cm²,

10W, CW

0.05kW/cm², 10W, CW

20kW/cm²,

10W, CW

0.5kW/cm²,

10W, CW

0.05kW/cm², 10W, CW

Maximum energy density

0.15J/cm², 1064nm, 1ns

0.25J/cm²,  1064nm, 1ns

1.6J/cm², 1064nm, 1ns

0.15J/cm², 1064nm, 1ns

0.25J/cm²,  1064nm, 1ns

1.6J/cm², 1064nm, 1ns

Dimensions(mm)

57 x 57 x 44

57 x 57 x 44

57 x 57 x 44

65 x 65 x 50

65 x 65 x 50

65 x 65 x 50

Cooling method

Air Cooled

Air Cooled

Air Cooled

Air Cooled

Air Cooled

Air Cooled

Cable type

DB-9M

DB-9M

DB-9M

DB-9M

DB-9M

DB-9M

Cable length(m)

1.5

1.5

1.5

1.5

1.5

1.5

4. 100mW-200W Laser Power Sensorslaser power meter

Part number

STCH-60F-CA-30

 STCH-100F-CA-40

 STCH-200F-CA-40

Spectral range, μm

0.19 – 25

0.19 – 25

0.19 – 25

Power range

50mW - 60W (100W)

100mW - 100W (200W)

100mW – 200W(400W)

Intermittent measurement power

60W (cont.)

80W (8min)

100W (3min)

100W (cont.)

150W (3min)

200W (1min)

200W (cont.)

300W (2min)

400W (1min)

Resolution

3.5

3

10

Measurement uncertainty, ±%

< 1

< 1

< 1

Nonlinearity with power, ±%

< 1

< 1

< 1

Power accuracy, ±%

< 3

< 3

< 3

Response time, sec

< 2

< 2

< 2.5

Detector type

CA

CA

CA

Detector aperture, mm

30

40

40

Maximum average power Density

20kW/cm², 10W, CW

20kW/cm², 10W, CW

20kW/cm2, 40W, CW

Maximum energy density

0.3J/cm², 1064nm, 1ns

0.3J/cm², 1064nm, 1ns

0.3J/cm2, 1064nm, 1ns

Dimensions, mm

80 × 80 × 70

100 × 100 × 80

125 × 125 × 95

Cooling method

Air Cooled

Air Cooled

Air Cooled

Cable type

DB-9M

DB-9M

DB-9M

Cable length(m)

1.5

1.5

1.5

5. 300mW-350W Fan-Cooled Laser Power Sensorslaser power meter

Part number

STCH-F150-CA-30

STCH-F250-CA-40

STCH-F350-CA-40

Spectral range, μm

0.19 - 25

0.19 - 25

0.19 - 25

Power range

50mW - 150W (300W)

100mW - 250W (400W)

300mW - 350W (600W)

Intermittent measurement power

150W (cont.)

200W (3min)

300W (1min)

250W (cont.)

300W (2min)

400W (1min)

350W (cont.)

500W (2min)

600W (1min)

Resolution, mW

5

10

20

Measurement uncertainty, ±%

< 1

< 1

< 1

Nonlinearity with power, ±%

< 1

< 1

< 1

Power accuracy,±%

< 3

< 3

< 3

Response time, sec

< 1

< 2.5

< 3.5

Detector type

CA

CA

CA

Detector aperture, mm

30

40

40

Maximum average power density

20kW/cm², 10W, CW      

20kW/cm², 10W, CW      

20kW/cm², 10W, CW      

Maximum energy density

0.3J/cm², 1064nm, 1ns

0.3J/cm², 1064nm, 1ns

0.3J/cm², 1064nm, 1ns

Dimensions, mm

65 × 65 × 95

100 × 100 × 109

125 × 125 × 136

Cooling method

Fan Cooled

Fan Cooled

Fan Cooled

Cable type

DB-9M

DB-9M

DB-9M

Cable length, m

1.5

1.5

1.5

6. 200mW-2000W Laser Power Sensorlaser power meter

Model

STCH-W150-CA-19

STCH-W300-CA-40

STCH-W500-CA-40

STCH-W1000-CA-40

STCH-W2000-CA-40

Spectral range, μm

0.19 - 25

0.19 - 25

0.19 - 25

0.19 - 25

0.19 - 25

Power range

0.2 - 150

0.3 - 300

0.5 - 500

2 - 1000

5 - 2000

Resolution, mW

10

15

20

100

200

Measurement uncertainty, ±%

< 1

< 1

< 1

< 1

< 1

Nonlinearity with power, ±%

< 1

< 1

< 1.5

< 2

< 2

Power accuracy,±%

< 3

< 3

< 3

< 3

< 3.5

Response time, sec

< 1

< 2.5

< 3

< 3

< 3

Detector type

CA

CA

CA

CA

CA

Detector aperture, mm

19

40

40

40

40

Maximum average power density

20kW/cm2,

10W, CW      

20kW/cm2,

10W, CW      

20kW/cm2,

10W, CW      

20kW/cm2,

10W, CW      

20kW/cm2,

10W, CW      

Maximum energy density

0.3J/cm2,

1064nm, 1ns

0.3J/cm2,

1064nm, 1ns

0.3J/cm2,

1064nm, 1ns

0.3J/cm2,

1064nm, 1ns

0.3J/cm2,

1064nm, 1ns

Dimensions, mm

50 × 50 × 20

85 × 85 × 20

85 × 85 × 35

Ф110 × 35

Ф136 × 40

Cooling method

Water Cooled

Water Cooled

Water Cooled

Water Cooled

Water Cooled

Cooling water flow, L/min

2 - 10

2 - 10

3 - 10

3.5 - 10

4.5 - 10

Cable type

DB-9M

DB-9M

DB-9M

DB-9M

DB-9M

Cable length, m

1.5

1.5

1.5

1.5

1.5

7. 20W-5000W Laser Power Sensorlaser power meter

The water-cooled laser power meter probe is suitable for measuring continuous and pulsed lasers with high power density. The maximum measuring power under the water-cooled model is 5000W and has a large detection aperture of 55mm.

Part number

STCH-W5000-CA-55

Spectral range(μm)

0.19 - 25

Power range(W)

20 - 5000

Measurement Capability

 

Resolution(W)

1

Measurement uncertainty(±%)

< 1

Nonliterary with power(±%)

< 2

Power accuracy(±%)

< 4

Response time(sec.)

< 3

Detector type

CA

Detector aperture(mm)

55

Damage threshold

 

Maximum average power density

20kW/cm2 ,10W, CW

Maximum energy density

0.3J/cm2, 1064nm, 1ns

Physical characteristics

 

Dimensions(mm)

Φ150 × 50

Cooling method

Water Cooled

Cooling water flow(L/min)

5 - 10

Cable type

DB-9M

Cable length(m)

1.5

8. Universal Laser Power Display Unitlaser power meter

The display unit STCH-P is compatible with all laser power sensors. It is the universal meter with professional edition, has the functions of "Digital display", "Data statistics" and "Data storage", and it can be connected to a PC via USB. The user software is configured. And acquiring and exporting data can be supported.

Model

STCH-P

Digital display

Data statistic

Data storage

Connecting to PC via USB

PC software

Data acquiring and exporting

Single pulse energy testing

Display format

Numerical, Columnar graph, Chart

Accuracy (±%)

0.25

Display type

240(RGB) × 320 pixels , TFT-LCD

Display dimensions

65.0mm x 48.8mm(2.56" x 1.92")

ADC sampling frequency

20 Hz

AD converter

24 bit

Connector type

DB-9M

Digital interface

USB 2.0

Battery

Li-Polymer, 3.7 V,4050 mAh

Battery life

> 40 h

Charger / DC input

5 V / 2 A

Dimensions(L x W x H)

165mm x 108mm x 25mm

Weight

< 0.25 kg

Operating temperature

0 to 40 °C

Storage temperature

-10 to 45 °C

Remarks:

STC Series Laser Power Meters

Laser power meter is used to measure laser power and power stability. We have designed several laser power measurement instruments with the features of accuracy testing, easy operation, etc., which could fully meet customer's practical needs of laser power and power stability measurement. They are widely used in the research, teaching, medical science, industry and other fields.

powermeter

 

Product

Part number

Power range

Main features

Thermopile Laser Power Meter

STC-TS series
(Wide Range)

STC-TS2+TP100

2mW-2W

1.Wavelength range: 0.19 -20µm
2. Damage threshold: 15kW/cm2
3. Power measurement range:2mW-15W
4. Sensitivity diameter: 14mm
5. Minimum measuring precision:0.1mW
6. SMA905/ FC fiber switch connector (Optional)

STC-TS5+TP100

5mW-5W

STC-TS15+TP100

10mW-15W

STC-TS35+TP100

10mW-35W

1. Wavelength range: 0.19 -25µm
2. Damage threshold: 40kW/cm2
3. Power measurement range: 10mW-50W
4. Sensitivity diameter: 22mm
5. Minimum measuring precision:    0.001W
6. SMA905/ FC fiber switch connector (Optional)

STC-TS50+TP100

10mW-50W

STC-TS100+TP100

0.5W-100W

1. Wavelength range: 0.19 -20µm
2. Damage threshold: 45kW/cm2
3. Power measurement range: 0.5W-100W
4. Sensitivity diameter: 25mm
5. Minimum measuring precision: 0.001W

STC-HS series
(High Precision)

STC-HS1+TP100

100µW-1W

1. Wavelength range: 0.19 -15µm
2. Damage threshold: 1.5kW/cm2
3. Power measurement range: 100µW-5W
4. Sensitivity diameter: 8.5mm
5. Minimum measuring precision: 0.01mW
6. SMA905/ FC  fiber switch connector (Optional)

STC-HS5+TP100

500µW-5W

USB series
(multi-channel)

STC-TS2/ TS5/ TS15-USB
STC-TS35/ TS50-USB
STC-TS100-USB
STC-HS1/ HS5-USB

100µW-100W

1. Wavelength range: 0.19 -25µm
2.Power measurement range: 100µW-100W
3.Single channel/multiple channel power measurement
4.PC upper computer software display measurement

Photoelectric Laser Power Meter

STC-PS100 series
(High Precision)

STC-PS100

2nW-100mW

1. Wavelength range: 320-1100nm
2. High precision: ±2%
3. Resolution: 2nW
4. Minimum measuring precision: 0.001nW

1. STC-TS+TP100 Series Laser Power Meter (2mW-15W)

Part number

STC-TS2+TP100

STC-TS5+TP100

STC-TS15+TP100

Header Model

STC-TP100

STC-TP100

STC-TP100

Probe Model

STC-TS2

STC-TS5

STC-TS15

Power Range

2 mW - 2 W

5 mW - 5 W

10 mW - 15 W

Sensitive Diameter

14 mm

14 mm

14 mm

Continuous Measurement Time (<5W)

Unlimited (<2W)

Unlimited

Unlimited

Continuous Measurement Time (5-15W)

/

/

≤8 min

Probe Coating Film

Broadband coating

Probe Material

Thermopile

Wavelength Range

0.19-20 μm

Max. Average Power Density

15 kW/cm2

Sensitivity

2 mW

5 mW

10 mW

Calibration Uncertainty (k=2)

±2%

Response Time (0-90%)

<1 sec.

Linearity

±1%

Power Supply

18650 (2 batteries)

Overall Weight

1.454 kg

Cooling Method

Air cooling

Computer Interface

USB 1.1 and  USB 2.0

Instrument Power

100-240 VAC, 50/60 Hz, DC 12V-3.34A

Temperature (Operating)

5°C - 45°C (41°F - 113°F)

Temperature (Storage)

-20°C - 70°C (-4°F - 158°F)

2. STC-TS+TP100 Series Laser Power Meter (10mW-50W)

Part Number

STC-TS35+TP100

STC-TS50+TP100

Header Model

STC-TP100

STC-TP100

Probe Model

STC-TS35

STC-TS50

Power Range

10 mW - 35 W

10 mW - 50 W

Sensitive Diameter

22 mm

22 mm

Continuous Measurement Time (<10 W)

Unlimited

Unlimited

Continuous Measurement Time (10-50W)

≤5 min (10-35W)

≤5 min (10-50W)

Probe Coating Film

Broadband coating

Probe Material

Thermopile

Wavelength Range

0.19-25 μm

Max. Average Power Density

40 kW/cm2

Sensitivity

10 mW

Calibration Uncertainty (k=2)

±2%

Response Time (0-90%)

<1 sec.

Linearity

±1%

Power Supply

18650 (2 batteries)

Overall Weight

1.926 kg

Cooling Method

Air cooling

Computer Interface

USB 1.1 and  USB 2.0

Instrument Power

100-240 VAC, 50/60 Hz, DC 12V-3.34A

Temperature (Operating)

5°C - 45°C (41°F - 113°F)

Temperature (Storage)

-20°C - 70°C (-4°F - 158°F)

3. STC-TS+TP100 Series Laser Power Meter (0.5W-100W)

Part Number

STC-TS100+TP100

Header Model

STC-TP100

Probe Model

STC-TS100

Power Range

0.5 W - 100 W

Sensitive Diameter

25 mm

Continuous Measurement Time (<80 W)

2 h

Continuous Measurement Time (80-100 W)

≤8 min

Probe Coating Film

Broadband coating

Probe Material

Thermopile

Wavelength Range

0.19-20 μm

Max. Average Power Density

45 kW/cm2

Sensitivity

0.1 W

Calibration Uncertainty (k=2)

±2%

Response Time (0-90%)

<7 sec.

Linearity

±1%

Power Supply

18650 (2 batteries)

Cooling Method

Fan cooling

Computer Interface

USB 1.1 and  USB 2.0

Instrument Power

100-240 VAC, 50/60 Hz, DC 12V-3.34A

Temperature (Operating)

5°C - 45°C (41°F - 113°F)

Temperature (Storage)

-20°C - 70°C (-4°F - 158°F)

4. STC-HS+TP100 Series Laser Power Meter (100uW-5W)

Part Number

STC-HS1+TP100

STC-HS5+TP100

Header Model

STC-TP100

STC-TP100

Probe Model

STC-HS1

STC-HS5

Power Range

100µW - 1 W

500µW - 5 W

Sensitive Diameter

8.5 mm

8.5 mm

Probe Coating Film

Broadband coating

Probe Material

Thermopile

Wavelength Range

0.19-15 μm

Max. Average Power Density

1.5 kW/cm2

Sensitivity

100µW

500µW

Calibration Uncertainty (k=2)

±2%

Response Time (0-90%)

<1 sec.

Linearity

±0.5%

Power Supply

18650 (2 batteries)

Overall Weight

1.434 kg

Cooling Method

Air cooling

Computer Interface

USB 1.1 and  USB 2.0

Instrument Power

100-240 VAC, 50/60 Hz, DC 12V-3.34A

Temperature (Operating)

5°C - 45°C (41°F - 113°F)

Temperature (Storage)

-20°C - 70°C (-4°F - 158°F)

5. STC-TS-USB Series Laser Power Meter (2mW-15W)

Model

STC-TS2-USB

STC-TS5-USB

STC-TS15-USB

Power Range

2 mW - 2 W

5 mW - 5 W

10 mW - 15 W

Sensitive Diameter

14 mm

14 mm

14 mm

Continuous Measurement Time (<5W)

Unlimited (<2W)

Unlimited

Unlimited

Continuous Measurement Time (5-15W)

/

/

≤8 min

Probe Coating Film

Broadband coating

Probe Material

Thermopile

Wavelength Range

0.19-20 μm

Max. Average Power Density

15 kW/cm2

Sensitivity

2 mW

5 mW

10 mW

Calibration Uncertainty (k=2)

±2%

Response Time (0-90%)

<1 sec.

Linearity

±1%

Cooling Method

Air cooling

Computer Interface

USB 1.1 and  USB 2.0

Temperature (Operating)

5°C - 45°C (41°F - 113°F)

Temperature (Storage)

-20°C - 70°C (-4°F - 158°F)

6. STC-TS-USB Series Laser Power Meter (10mW-50W)

Model

STC-TS35-USB

STC-TS50-USB

Power Range

10 mW - 35 W

10 mW - 50 W

Sensitive Diameter

22 mm

22 mm

Continuous Measurement Time (<10 W)

Unlimited

Unlimited

Continuous Measurement Time (10-50W)

≤5 min (10-35W)

≤5 min (10-50W)

Probe Coating Film

Broadband coating

Probe Material

Thermopile

Wavelength Range

0.19-25 μm

Max. Average Power Density

40 kW/cm2

Sensitivity

10 mW

Calibration Uncertainty (k=2)

±2%

Response Time (0-90%)

<1 sec.

Linearity

±1%

Cooling Method

Air cooling

Computer Interface

USB 1.1 and  USB 2.0

Temperature (Operating)

5°C - 45°C (41°F - 113°F)

Temperature (Storage)

-20°C - 70°C (-4°F - 158°F)

7. STC-TS-USB Series Laser Power Meter (0.5W-100W)

Part Number

STC-TS100-USB

Power Range

0.5 W - 100 W

Sensitive Diameter

25 mm

Continuous Measurement Time (<80 W)

2 h

Continuous Measurement Time (80-100 W)

≤8 min

Probe Coating Film

Broadband coating

Probe Material

Thermopile

Wavelength Range

0.19-20 μm

Max. Average Power Density

45 kW/cm2

Sensitivity

0.1 W

Calibration Uncertainty (k=2)

±2%

Response Time (0-90%)

<7 sec.

Linearity

±1%

Cooling Method

Fan cooling

Computer Interface

USB 1.1 and  USB 2.0

Temperature (Operating)

5°C - 45°C (41°F - 113°F)

Temperature (Storage)

-20°C - 70°C (-4°F - 158°F)

8. STC-HS-USB Series Laser Power Meter (100uW-5W)

Part Number

STC-HS1-USB

STC-HS5-USB

Probe Model

STC-HS1-USB

STC-HS5-USB

Power Range

100µW - 1 W

500µW - 5 W

Sensitive Diameter

8.5 mm

8.5 mm

Probe Coating Film

Broadband coating

Probe Material

Thermopile

Wavelength Range

0.19-15 μm

Max. Average Power Density

1.5 kW/cm2

Sensitivity

100µW

500µW

Calibration Uncertainty (k=2)

±2%

Response Time (0-90%)

<1 sec.

Linearity

±0.5%

Cooling Method

Air cooling

Computer Interface

USB 1.1 and  USB 2.0

Temperature (Operating)

5°C - 45°C (41°F - 113°F)

Temperature (Storage)

-20°C - 70°C (-4°F - 158°F)

9. STC-PS100 High Precision Photoelectric Laser Power Meter

Part Number

STC-PS100

Detector Model

STC-PD-MN-100

Power Range

2nW -100mW

Active Area Diameter

8mm

Receiving Element

Si Photo diode

Wavelength Range

320-1100 nm

Measurement Display

nW/ µW/ mW/ dBm/ dB

Calibration Uncertainty (k=2)

±2%

Response Time (0-90%)

0.2sec.

Total Weight

0.8kg

Instrument Power

100-240 VAC, 50/60 Hz, DC 9V-1.4A

Temperature (Operating)

5℃-45℃ (41℉-113℉)

Temperature (Storage)

-20℃-70℃ (-4℉-158℉)

Innovative Power Meter Offers Unbeatable Convenience

The measurement of laser power is quick and simple with our power meter. The hand held power meter is a low cost, lightweight alternative to bulky, two-piece thermopile power meters and probes, or traditional “meat thermometer” probes. Ideally suited for industrial, scientific, and medical applications, use it when setting up your systems, and as a service tool to ensure maximum performance of your laser system at any time.

Designed to measure power levels from 1 - 250W, the power meter measures output power from the ultraviolet to the far infrared. This makes it the perfect tool for checking the performance of your excimer, argon, diode, YAG, and CO2 lasers, to name just a few.

Automatic data hold and auto ranging make the power meter easy to use. Simply insert the sensor into the laser beam and hold in place for a few seconds. The easy-to-read LCD screen will then display an accurate measurement of average laser power. To take another reading, simply push the reset button, and the power meter is ready to go.

Part number PMS-250
Power range 1-250W
Resolution 0.1W
Wavelength range1 190nm – 11um
Inpidual calibrated wavelength1 10.6um
Target absorption1, 190nm – 1.1um & 9-11um 0.96-0.99
Target absorption1, 190nm – 1.1um 0.93-0.99
Accuracy ±5%
Target diameter 22mm
Setting time <4second
Max. allowable input power (single application) 300W
Max. average power density2 20kW/cm2
Max. peak energy density3 1J/cm2
Max. target temperature 180oC
Typical target temp. rise per measurement 0.4oC/W
Typical battery life 5 years (25,000 readings)
Battery type 3xCR2025 lithium
Auto shut-off time 25 seconds
Data hold time 15 seconds
Size 159x30x12mm
Weight 80g

Specifications subject to change without notice.

  1. Typical absorption curve supplied with each meter
  2. Damage to coating may cause above this value.
  3. For pulsed lasers and 50usec pulse width.

Features:

ST Series Laser Power Meters and Energy Meters

1. Laser Power Meters

Model 146 147 148 M-92A M-92B M-92C M-93
Range 200W 2000W 2uW- 20W 2W-200W 2mW-200mW 0.2W- 20W 2W-50W 2W- 200W 20mW 200mW
Resolution 0.1W 1nW 1064nm:1mW 633nm:1uW 0.1mW 1mW 1mW 0.01mW
Sensor diameter 20mm 18mm 18mm 25mm 10mm
Wavelength 400-1100nm 190nm-25um 400-1100nm
Calibration @ wavelength 1064nm 633nm 1064nm 633nm 10.6um 633nm
Max power density 15kW/cm2 350W/cm2  
Max energy density 70J/ cm2    
Display 3.5-digit LED
Un-stability 5%
Cooling water air water air
application High-power laser Low-power laser Medium laser CO2 laser Low-power laser

Remark: A power meter consists of a display and a detector. The power meter has been calibrated at a given wavelength before shipping.

2. Laser Energy Meters

Model M2000B M2000 145A 145B 145C
Range 2J-200J 2J-200J 200mJ-20J 2J-200J 20mJ-2J
Resolution 1mJ 1mJ 0.1mJ 1mJ 0.01mJ
Sensor diameter 11.3mm50mm 50mm 20mm 20mm 20mm
Wavelength 190nm-25um 190nm-25um 400nm-3um 400nm-3um 400nm-3um
Calibration @ wavelength 10.6um 10.6um 1064nm,532nm,694nm
Max power density 10GW/cm2 10GW/cm2 10GW/cm2 10GW/cm2 10GW/cm2
Max energy density 70J/ cm2 70J/ cm2 70J/ cm2 70J/ cm2 70J/ cm2
Display 3.5-digit LED
Un-stability 5%
Cooling air
Application CO2laser energy measure Long pulse width energy measure Pulse repetition rate 0-30Hz measure

► ► Laser Power Meter  Laser Beam Quality Measurement  Laser Beam Viewer  Laser Wavelength Meter

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