# 1551A-20-DL Fluke Thermometer New

**Features:**

-   Intrinsically safe (ATEX and IECEx compliant)
-   Stainless steel probe and digital readout are fixed together and calibrated as a system
-   Accuracy of ±0.05°C (±0.09°F) over full range
-   Large backlit LCD display rotates 90° making it easy to read from any angle
-   User-configurable temperature trend/stability indicator lets you know when your temperature is stable enough to record an accurate measurement
-   Display temperature in °C or °F
-   User-selectable resolution (0.1, 0.01, 0.001)
-   Max/Min/Trend/Up key allows you to see the maximum or minimum temperature since the most recent power up
-   Simple three-point calibration function allows you to easily and accurately calibrate the thermometer
-   Requires a minimum immersion depth of only 7cm (2.8"), with no appreciable effect on the measured temperature due to heat loss through stem conduction
-   Data logging to internal memory of up to 10,000 time-stamped measurements is optionally available
-   300-hour battery life
-   Percent battery-life and low-battery indicator
-   NVLAP-accredited, NIST-traceable calibration included

**Specifications:**

-   Temperature Range: -50 °C to 160 °C (-58 °F to 320 °F)
-   Accuracy: ±0.05°C (±0.09°F)
-   Probe Temperature Coefficient: 0.00385 Ω/Ω/°C nominal
-   Response Time: 4.8mm (3/16") diameter probe: 14 sec
-   Probe Hysteresis: ±0.01°C
-   Temperature Resolution: Selectable: 0.1, 0.01, 0.001
-   Sample Rate Selectable: 0.5, 1, 2 seconds
-   Data Logging: Up to 10,000 time-stamped readings stored to internal memory
-   Logging Intervals: 2, 5, 10, 30, or 60 seconds; 2, 5, 10, 30, or 60 minutes
-   Damping: Moving average of the most recent 2 to 10 readings (ON/OFF, 2, 5, 10)
-   Communications: RS-232 stereo jack

An intrinsically-safe, battery-operated, stick reference thermometer with large backlit LCD display that rotates up to 90°. Measures from -50 to 160°C with optional data logging of up to 10,000 readings.

## Details

- **Price:** 1114.0 USD
- **Vendor:** Fluke
- **Type:** Therm Met
- **Tags:** Fluke, Manufacturers, Meters & DAQ, product_manual_group_2, Product_new, Thermometer

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1114.00 USD | In stock |

## Images

- 1551A-20-DL Fluke Thermometer

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> Source: [ValueTronics](https://valuetronics.com/products/1551a-20-dl-fluke-thermometer-new)
> Updated: 2026-05-21