# B-1000 Protek Frequency Counter Used

**Features:**

-   Form Factor: Benchtop
-   Number of Channels: 3
-   Minimum Frequency, Ch. 1: 0.1 Hz
-   Maximum Frequency, Ch. 1: 1 GHz
-   Sensitivity, Channel 1: 25 mVrms
-   Maximum Input Voltage: 1250 V
-   Input Impedance, Ch.1: 1 MOhm
-   Input Attenuation, Ch 1: x1,x10
-   Input Coupling, Ch 1: AC,DC
-   Minimum Frequency, Ch. 2: 0.1 Hz
-   Maximum Frequency, Ch. 2: 10 MHz
-   Sensitivity, Channel 2: 25 mV
-   Maximum Input Voltage: 2250 V
-   Input Impedance, Ch. 2: 1 MOhm
-   Input Coupling, Ch 2: AC,DC
-   Time base stability: 3E-7 /mo
-   Trigger Level Adjust: 0 to ±350MV
-   Period Measure, Totalize, Time interval, Ratio

## Details

- **Price:** 0.0 USD - 300.0 USD
- **Vendor:** Protek
- **Type:** Freq Coun
- **Tags:** Frequency Counter, Manufacturers, Other Equipment, product_manual_group_1, Product_used, Protek

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| None | 0.00 USD | In stock |
| NIST Traceable | 225.00 USD | In stock |
| NIST Traceable with Full Data | 262.50 USD | In stock |
| ISO IEC 17025 Accredited | 300.00 USD | In stock |

## Images

- B-1000 Protek Frequency Counter Used

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> Source: [ValueTronics](https://valuetronics.com/products/b-1000-protek-frequency-counter-used)
> Updated: 2026-05-21