NEWPORT 325 CALIBRATION and NEWPORT 325 REPAIR
 
A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the NEWPORT 325 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   NEWPORT 325   Description / Specification:    
NEWPORT 325 2.5 A Temperature Controller

The Newport 325 Temperature Controller provides superior temperature stability and a wide range of power output. It has a fast settling, hybrid P-I control loop that delivers a low noise, bipolar current output in three operating modes: 1) constant R (thermistor), 2) constant T (IC sensors), or 3) constant ITE . A user adjustable ITE current limit setting unconditionally protects the TE modules from damage by excessive drive current independent of the operating mode. The Model 325 is compatible with thermistors, and AD590 and LM335 Series IC temperature sensors. Temperature readings (°C) are displayed when using one of these IC sensors. Specifications. Output Type: Bipolar, constant current source. TEC Control Loop Type: Hybrid P-I. Maximum Current: ±2.5 A. Compliance Voltage: >6 V. Available Output Power: 15 W. Current Limit Range: 0 to 2.5 A. Current Limit Accuracy: ±10 mA. Ripple/Noise (rms): <1 mA. Short-Term Stability (10 to 30 min.)): 0.005°C. Long-Term Stability (24 h): 0.01°C. Display Range Temperature (°C): -50.0 to +150.0°C. Display Range Resistance (10 µA): 0.1 to 199.9 k-ohm. Display Range Resistance (100 µA): 0.01 to 19.99 k-ohm. Display Range TE Current: -2.50 to +2.50 A. Resolution Temperature: 0.1°C. Resolution Resistance (10 µA): 100 ohm. Resolution Resistance: (100 µA): 10 ohm. Resolution TE Current: 10 mA. Accuracy Temperature: ±0.2°C. Accuracy Resistance (10 µA): ±200 ohm. Accuracy Resistance (100 µA): ±20 ohm. Accuracy TE Current: ±10 mA.



 

Standard Calibration $285.00 *
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*This is a Web introductory price for one calibration of the NEWPORT 325. Price does not in most cases include measurement performance data. Pricing does include NIST traceable calibration and issue of a calibration certificate and calibration label. Pricing may vary slightly due to volume and location of laboratory supporting calibration. Volume pricing may apply. On-site fees may apply depending on logistics, location and volume of work to be completed during the visit.


Related Optical Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

Coherence Time
Average time for the wave train to lose its phase realtionships

Fiber Bragg Grating (FBG)
A fiber Bragg grating (FBG) is a type of distributed Bragg reflector constructed in a short segment of optical fiber that reflects particular wavelengths of light and transmits all others. This is achieved by adding a periodic variation to the refractive index of the fiber core, which generates a wavelength specific dielectric mirror. A fiber Bragg grating can therefore be used as an inline optical filter to block certain wavelengths, or as a wavelength-specific reflector.

Modulation
Modulation is the process by which the characteristic of one wave (the carrier) is modified by another. Adding information into pulses of light.

Power Linearity
When changing the power level and measuring the differences (in dB) between actual and displayed power levels, the power linearity is ± half the span (in dB) between the maximum and the minimum value of all differences.

Stability
Stability is the extent to which a specified property, characteristic, or parameter of a substance, device, or apparatus, such as a fiber optic transmission system, remains fixed with the passage of time or with varying environmental conditions.

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