KEITHLEY 244-2441 High Voltage Supply Photometer Filter Discriminator

( Brand: Keithley ), ( Part Type: Voltage Supply Discriminator Filter ), ( Unit Type: Unit ), ( Manufacturer Part Number: 244-2441 ), ( Country Of Origin: United States )

Review KEITHLEY 244 2441 High Voltage Supply And Photometer Discriminator Filter

The Keithley Instruments Model 244-2441 High Voltage Supply Photometer Discriminator Filter is a versatile and precise instrument designed for use in a variety of applications within the scientific and industrial sectors. This product is an essential tool for researchers and engineers working in the fields of material science, semiconductor testing, electrochemistry, and plasma diagnostics, among others.

At its core, the 244-2441 is a high voltage supply that can generate voltages up to 2500 volts with an accuracy of 1% and a stability of 0.05% over a temperature range of 20 C to 40 C. This makes it an ideal power source for photomultiplier tubes and other photodetectors that require high voltage biasing.

The photometer aspect of the instrument allows for the measurement of photocurrents with a sensitivity of 1 pA and a bandwidth of up to 1 MHz. This feature enables users to accurately measure the response of their photodetectors to various light sources and wavelengths.

The discriminator filter component of the 244-2441 provides a simple yet effective means of setting a threshold voltage level for the photocurrent signal. This threshold can be adjusted from 0 to 5 volts with a resolution of 10 mV, allowing users to easily distinguish between signal and noise levels.

Additionally, the 244-2441 is equipped with a built-in current source that can provide up to 100 mA of output current. This current source can be used to compensate for dark current or leakage current in the photodetector, ensuring that accurate measurements are obtained even in low light conditions.

The instrument includes a user-friendly front panel interface that allows for easy setup and operation. It features a digital display that shows real-time measurements of voltage, current, and threshold level, as well as a keypad for entering commands and adjusting settings.

The 244-2441 also includes a number of built-in safety features, such as overvoltage protection, overcurrent protection, and a safety interlock input that can be used to disable the high voltage output when the cover is removed. These features help to ensure safe and reliable operation of the instrument.

Overall, the Keithley Instruments Model 244-2441 High Voltage Supply Photometer Discriminator Filter is a powerful and versatile instrument that offers a high degree of precision and flexibility for researchers and engineers working in various scientific and industrial applications. Its ability to generate high voltages, measure photocurrents, and provide a discriminator filter all in one package makes it an indispensable tool for those seeking to explore the world of photodetection and high voltage measurements.

Buying a Keithley 244-2441 High Voltage Supply Photometer Discriminator Filter: Pros, Cons, and Conclusion

The Keithley 244-2441 is a high voltage supply photometer discriminator filter designed for use in various applications, including photovoltaic testing, high voltage measurements, and medical equipment calibration. In this analysis, we will discuss the pros and cons of purchasing this particular instrument.

1. Versatile: This high voltage supply photometer discriminator filter supports a wide range of input voltages (up to 1000V) and can be used with various types of detectors, including photodiodes and phototransistors.

2. Reliable: Keithley is a well-known and reputable brand in the test and measurement industry, ensuring the product's high quality and durability.

3. Easy to Use: The instrument features a user-friendly interface and can be controlled via software, making it easier to set up and operate.

4. Precise: The Keithley 244-2441 offers high accuracy and stability, making it suitable for applications that require precise measurements.

5. Robust: The design is rugged and can withstand harsh environments, making it suitable for industrial applications.

1. Expensive: Compared to other options in the market, the Keithley 244-2441 is relatively more expensive, which may be a significant barrier for some buyers.

2. Complexity: The instrument's features and capabilities can be overwhelming for users with limited experience in high voltage measurements or photometry.

3. Size: The Keithley 244-2441 is larger than some alternatives, which can make it less portable for users who require a compact solution.

In conclusion, the Keithley 244-2441 high voltage supply photometer discriminator filter is a robust, precise, and versatile instrument suitable for various applications in the test and measurement industry. However, its high cost and complexity may be a concern for some buyers. Ultimately, the decision to purchase this instrument depends on the specific requirements and budget of the user.

If you are in need of a high-performance, reliable, and versatile high voltage supply photometer discriminator filter and have the budget to accommodate it, the Keithley 244-2441 is an excellent choice. However, if you are looking for a more affordable or compact solution, you may want to consider other options in the market. It's important to carefully evaluate your requirements and budget before making a purchase decision.

Details:

The 2441 option provides automatic current limiting when used with a compatible commuter/recorder output. KEITHLEY 2442441 High voltage Supply And Photometer with Discriminator Filter. See attached photos. The Keithley model 244 is a regulated negative-polarity high- voltage supply designed for stable output from 200 VDC to 2200 at up 10 MA, with front-panel voltage dials, meter, low ripple/noise, electronic current limiting, and rear MHV.

Keithley 244 / 2441 high- voltage negative DC power supply with included photometer discriminator filter assembly, useful for photo multiplier tube biasing, low-light photometer, photocell testing, ion chamber work, radiation optical detector experiments, high-resistance measurements, R D, spectroscopy systems, and legacy physics analytical instrumentation setups.

part #: 2442441 price

• $299.00

specifications strialpower:

• brand: Keithley
• part type: Voltage Supply Discriminator Filter
• unit type: Unit
• manufacturer part number: 244-2441
• country of origin: United States

payments strialpower:

• credit card: Diners-club
• other
• wallet: Google-pay

offer strialpower:

• quantity: 1
• sold: 0
• options: Ship-to-home
• best offers: True
• started: May 18, 2026
• availability: In Stock

returns strialpower:

• method: Money back
• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

shipping strialpower:

• cost: $0.00
• type: Fixed
• transit: 2-4 Days
• service: Standard
• class: Standard

seller strialpower:

• city: Fargo, North Dakota
• rating: 99.9%
• # reviews: 3435

general strialpower:

• Electrical Equipment Supplies > Power Supplies > Switching Mode Power Supplies
• condition: Used

Keithley 244-2441 Is Similar To:

• Keithley 2304a 2308 Dc Power Supply Portable Device Battery Charger Simulator (49.7% similar) See above for the specific warranty period of this item. Manufacturer. Our high-quality, refurbished and used test equipment is carefully packaged to meet the highest standards shipped via FedEx, ups, DHL, USPS. All test equipment products are 100% re-certified...(September 12th, 2024)
• Keithley 2260b-80-13 Kiethley Programmable Multi Range Dc Power Supply 360w (36.8% similar) When operating under constant current control. Max output power: 360W. Programming a current rise time puts the 2260B-80-13 power supplies in constant control priority mode which slew rate limits at voltage rises across device under test duet. In addition to controlling time, fall can also be...(September 30th, 2025)