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Advancing the World of Fiber Optics™
The OP740 offers a state-of-the-art solution for high-speed optical power measurement applications where multiple channels are needed. Unlike many other systems, this instrument is comprised of individual power meters allowing for simultaneous data acquisition over all channels with unparalleled speed.
The OP740 is available with 4 to 24 channels and can be configured for an assortment of detector adapter options.
Product Features
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Up to 24 individual detectors in a 2U rack mountable mainframe
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Able to read from all 24 channels simultaneously
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Variable sample rate (up to 125,000 samples/second, 8μs sampling rate)
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Full color touchscreen display
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Single channel and user-configurable multichannel display
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Color-coded Pass/Fail results
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USB 3.1 communication
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Universal adapter interface
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Measurement range
InGaAs: +6dBm to -72dBm
Silicon: +3dBm to -65dBm -
Broad wavelength spectrum
InGaAs: 830nm to 1700nm
Silicon: 400nm to 1100nm -
Relative accuracy of 0.02dB
Product Specs
| OP740 High Speed Multichannel OPM | 1mm InGaAs | 3mm Silicon |
| Sampling Speed | variable, max 125,000 samples/second | |
| Measurement Range | +6dBm to -72dBm at 1490nm |
+3dBm to -65dBm at 980nm |
| Wavelength Spectrum | 830nm to 1700nm | 400nm to 1100nm |
| Relative Accuracy | ±0.02dB | |
| Channel Count | Up to 24 in one enclosure | |
| Return Loss | Single Mode | FTTX | Multimode |
| Source Wavelength | 1310nm, 1550nm | 1310nm, 1550nm, 1490nm, 1625nm | 850nm, 1300nm |
| Calibrated Measurement Range |
-10dB to -80dB | -10dB to -80dB | -10dB to -58dB |
| Measurement Linearity | ±1dB (-12dB to -72dB) | ±1dB (-12dB to -72dB) | ±1dB (-10dB to -45dB) |
| Distance Range | up to 2500 meters | ||
| Mandrel-free minimum distance | 1.7 meters (both reflections <-45dB) | ||
| Insertion Loss | Single Mode | FTTX | Multimode |
| Source Center Wavelength | ±30nm from nominal | ±30nm from nominal | ±30nm from nominal |
| Source Bandwidth | <10nm | <10nm | <140nm (850nm) <200nm (1300nm) |
| Internal Fiber | 9/125μm (SMF28) | 9/125μm (SMF28) | 50/125μm, 62.5/125μm, 105/125μm |
| Launch Condition | N/A | N/A | Available upon request |
| Output Power* (typical) | -1.5dBm | -2.5dBm | -18dBm(850nm) -20dBm(1300nm): 62.5/125μm |
| Insertion Loss Stability** | ±0.02dB | ±0.02dB | ±0.02dB |
| Deviation ± 0.05dB | 0dBm to -65dBm at 1490nm | ||
| Deviation ± 0.01dB | <10dB power variation | ||
*For single channel systems. **Over 1 hour with a max. change of 1ºC. ***For 1, 2, and 3mm detectors.
| Optical Power Meter | 1mm InGaAs | 3mm InGaAS | 5mm InGaAs | 10mm InGaAs | 3mm Silicon |
| Measurement Range | +6dBm to -72dBm at 1490nm |
+3dBm to -72dBm at 1490nm |
0dBm to -65dBm at 1490nm |
0dBm to -55dBm at 1490nm |
0dBm to -65dBm at 980nm |
| Wavelength Range | 850nm to 1650nm | 400nm to 1100nm | |||
| Selectable Wavelength | Standard wavelengths (850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm) | Standard wavelengths (650nm, 850nm, 980nm) |
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| Measurement Resolution (Display) | 0.001dB | ||||
| Absolute Accuracy | ±0.25 dB at calibration conditions for all NIST traceable wavelengths | ||||
| Deviation ± 0.05dB | +3dBm to -65m at 1490nm |
0dBm to -65dBm at 1490nm |
0dBm to -55dBm at 1490nm |
0dBm to -45dBm at 1490nm |
0dBm to -55dBm at 980nm |
| Deviation ± 0.01dB | <10dB power variation |
<10dB power variation |
<10dB power variation |
<10dB power variation |
<10dB power variation |
| Source | 1310nm/1550nm LASER | 1310nm/1490nm/1550nm/1625nm LASER | 850nm/1300nm LED |
| Source Center Wavelength | ±30nm from nominal | ±30nm from nominal | ±30nm from nominal |
| Source Bandwidth | <10nm | <10nm | <140nm (850nm) <200nm (1300nm) |
| Internal Fiber | 9/125μm (SMF28) | 9/125μm (SMF28) | 50/125μm, 62.5/125μm, 105/125μm |
| Launch Condition | N/A | N/A | Available upon request |
| Output Power (typical) | -1.5dBm | -2.5dBm | -18dBm(850nm) -20dBm(1300nm): 62.5/125μm |
| Source Stability* | ±0.02dB | ±0.02dB | ±0.02dB |
* Over 1 hour with a max. change of 1ºC.
| Measurement Timing | Single Mode | FTTX | Multimode |
| IL and RL, Dual Wavelength | 3s* | 6s | 3s* |
| Switching Time (Multichannel) | 100ms | ||
* Using the front panel in Dual ILRL mode or running OPL-Pro with real-time update enabled.
| Mainframe | Half-Rack Units | Full-Rack Units | OP710s/OP740s | OP940-SWs |
| Dimensions | 8 ⅜” x 3.5” x 12” | 16 ¾” x 3.5” x 12” | 16 ¾” x 3.5” x 8” | 16 ¾” x 3.5” x 1 |
| Power Supply | 90VAC ... 264VAC; 47Hz to 63Hz; 0.7Amps (115VAC) 0.4Amps (230VAC); Fuse: T1A, 250V | Warm-up time | 5-15 minutes | |
| Operating Temperature | 5℃ to 40℃ | Maximum Relative humidity* | 80% | |
* For temperatures up to 31°C, decreasing linearly to 50% relative humidity at 40°C.
Specifications are subject to change, please confirm specific performance characteristics of the product at the time of ordering. All specifications are valid within temperature range of 18ºC to 24ºC unless otherwise noted. For additional specifications please contact OptoTest.