The Nova is truly versatile for measuring power or energy from pJ and pW to hundreds of Joules and thousands of Watts. With the optional scope adapter, you can connect your pyro sensor to an oscilloscope and see every pulse up to the maximum frequency permitted by the sensor.
This section describes various ways to interface the Ophir meter to your PC as well as the software options available. Check out the datasheet for more details.
The StarCom application together with the Ophir meters that utilize the RS232 protocol turns your PC or laptop into a full-fledged Ophir laser power/energy meter. StarCom supports all major Ophir sensors. Supports the Nova, LaserStar, Nova-II, and Vega meters.
See how easy it is to setup an Ophir power meter and sensor to measure your laser's power and energy. Learn more at www.ophiropt.com/photonics.
Learn how to set the correct wavelength for your measurement, even when the wavelength you need is not one of the default wavelengths offered by the meter.
How does an energy meter measure above the maximum frequency at which it can record every pulse?
The energy meters will then sample at close to its maximum frequency. For instance measuring 10 KHz with a PD10 Sensor and Nova II where the maximum frequency for every pulse on the Nova II is 4 KHz: in this case, the Nova II will pick out pulses at a rate of close to 4 KHz and sample them, i.e. the Nova II will record 40% of the pulses.
I have multiple sensors. Do I need a specific meter for each sensor or can I use one meter for all of my sensors?
With Ophir's Smart Head technology sensors can be interchanged between different meters easily. The calibration and setting information is stored in the sensors Smart Head connector so it moves with the sensor to the new meter. It is recommended that you power off your Nova meter before removing the sensor, but the new Nova II and Vega meters detect that a sensor has been removed or attached and will power cycle themselves when doing this.
What is the Ophir meter zeroing and how often should I zero my power meter?
In all Ophir instruments, all adjustments, including zeroing internal circuits, are done from the software. This ensures simple and accurate realignment. The zeroing process helps eliminate internal biases in the unit which could affect accuracy and repeatablity of measurements. It is recommended to re-zero the instrument every month or two for best performance. Specific instructions for doing this can be found in the User Guide/Manual for each instrument.
Can I use a third party sensor with the Ophir power/energy meters?
No, only Ophir power/energy sensors with the Smart Head connection will work with the Ophir power/energy meters.
Do I need to recalibrate my instrument? How often must it be recalibrated?
Unless otherwise indicated, Ophir sensors and meters should be recalibrated within 18 months after initial purchase, and then once a year after that.
Why wasn’t the firmware upgraded to the latest version when the meter was sent in for recalibration?
Our recalibration process is to not automatically upgrade the firmware in meters when they are sent in for recalibration, unless specifically requested to upgrade it. The reason for this is that we support many companies, such as medical companies, that have equipment validation processes that don’t allow changing the firmware version from the currently validated version. If you do want the latest firmware version installed, we will do that at no additional charge (for meters which are upgraded electronically) if it is specifically requested on the RMA request checklist form. For older meters (such as the Nova) that are upgraded through changing the EEPROM, a nominal fee is added, if firmware upgrade is requested. Note that upgrading the firmware does not affect the calibration.
Can I buy a universal power adapter/charger for my Ophir display?
Yes. We now offer a switchable universal power adapter/charger P/N
$52
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My meter seems to be charging normally, but it lasts for less than an hour on battery power. Does the battery need to be replaced?
Yes, the battery needs to be replaced. A new battery should last 8 hours per charge. We recommend that you send the meter back for battery replacement and recalibration. User battery replacement is possible. For battery part numbers and ordering information, check out the Spare Parts.
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