# 503T California Instruments AC Source Used

**Additional Features:**

-   Adjustable Output Voltages 0-270V RMS
-   Variable Output frequency: 20 Hz to 20 kHz
-   Adjustable Phase Angle
-   Current Source Configurations
-   Sine-Wave or Square-Wave Output
-   Programmable Interface (IEEE-488 and BCD)
-   Multi-Unit and Multi-Phase Configurations

The California Instruments 503T is one of our power sources that offer precise control of amplitude, frequency, phase angle, and current. The 503T ranges from fixed frequency configurations for frequency conversion applications to fully programmable systems for complex ATE requirements.  
  
The California Instruments 503T features four output voltage ranges and delivers full power output down to 78% of the rated voltages. Common to all three-phase single-enclosure units, the Model 503T has a voltage meter with a selector switch for verifying all line-to-neutral and line-to-line voltages.

## Details

- **Price:** 0.0 USD - 172.5 USD
- **Vendor:** California Instruments
- **Type:** AC Sources
- **Tags:** AC Source, California Instruments, Manufacturers, Power Supplies & Loads, product_manual_group_1, Product_used

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| None | 0.00 USD | In stock |
| NIST Traceable | 127.50 USD | In stock |
| NIST Traceable with Full Data | 150.00 USD | In stock |
| ISO IEC 17025 Accredited | 172.50 USD | In stock |

## Images

- 503T California Instruments AC Source Used

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> Source: [ValueTronics](https://valuetronics.com/products/503t-california-instruments-ac-source-used)
> Updated: 2026-05-21