# Rosemount 644HI1Q4 Temperature Transmitter - Accurate Measurement

The **Rosemount 644HI1Q4 Temperature Transmitter** is engineered for precise temperature monitoring in industrial environments. This instrument, essential for maintaining optimal process control, offers reliable performance across various applications. With its robust design and advanced technology, the **Rosemount 644HI1Q4** ensures accurate readings, enhancing efficiency and safety.

This temperature transmitter features an input range of PT100/4-leiter/0...300°C, providing accurate data capture. The 4-20 mA output signal ensures seamless integration with control systems. Certified for hazardous areas, the **Rosemount 644HI1Q4** guarantees safe operation, even in potentially explosive environments. Its lightweight design and easy installation make it a practical solution for any setup.

Key Features:

-   **Precise Temperature Measurement:** Accurate readings for optimal process control.
-   **Wide Input Range:** Supports PT100/4-leiter/0...300°C for versatile applications.
-   **Hazardous Area Certified:** Ensures safe operation in explosive environments.
-   **Reliable Performance:** Consistent 4-20 mA output for dependable data transmission.
-   **Easy Installation:** Lightweight design simplifies setup and maintenance.

Specifications:

-   Supply Voltage: 12-42.4 VDC
-   Output: 4-20 mA
-   Weight: 140 grams

Trust the **Rosemount 644HI1Q4** for dependable temperature monitoring. Its robust construction and precise measurement capabilities make it an ideal choice for manufacturing plants, refineries, and laboratories. Enhance your industrial or automation systems with the reliability of **Rosemount** instrumentation. For any inquiries, contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Rosemount
- **Type:** Industrial Automation > Temperature Sensors > Temperature Transmitter
- **Tags:** 644HI1Q4, industrial automation, PT100 transmitter, Rosemount, temperature measurement, temperature transmitter

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New | 999.00 USD | In stock |

## Images

- Rosemount 644HI1Q4 Temperature Transmitter - Accurate Measurement-Ram Automations

---

> Source: [Ram Automations](https://ramautomations.com/products/rosemount-644hi1q4-temperature-transmitter)
> Updated: 2026-10-02