# 228 Keithley Current Source Used

**Additional Features:**

-   Capacity to sink or source up to:100 Watts
-   Constant voltage source has ranges of:1 V, 10 V, and 100 V
-   Constant current source has ranges of:0.1 AMP, 1 AMP, and 10 AMPs
-   Actual output voltage and current are continuously monitored and displayed on the front panel.
-   These values can also be read back over the IEEE bus.
-   Dual 3-digit LED displays indicate programmed values in Standby and output values in Operate.

## Details

- **Price:** 995.0 USD - 1445.0 USD
- **Vendor:** Keithley
- **Type:** Curr Source
- **Tags:** Current Source, Keithley, Manufacturers, Power Supplies & Loads, product_manual_group_1, Product_used

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| None | 995.00 USD | In stock |
| NIST Traceable | 1332.50 USD | In stock |
| NIST Traceable with Full Data | 1388.75 USD | In stock |
| ISO IEC 17025 Accredited | 1445.00 USD | In stock |

## Images

- 228 Keithley Current Source Used

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> Source: [ValueTronics](https://valuetronics.com/products/228-keithley-current-source-used)
> Updated: 2026-05-21