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Handheld Thermometer Instruction Manual HR-1650 / HR-1750 AE-100291 Second edition (Sep 2022) Anritsu Meter Co., Ltd. 2-4-5, Shimomeguro, Meguro-ku, Tokyo, 153-0064, Japan TEL: +81-3-3491-9181 FAX: +81-3-3493-6729...
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Safety information Caution To safely operate and service the thermometer and to prevent any product damage and/or maintain the precise temperature measurement results, please carefully follow the instructions below: Do not use this product for any purpose other than taking temperature measurements.
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In no event is Anritsu Meter liable to anyone for any indirect, special, or consequential damages as a result of using this product. Warranty and After-sales Service ...
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- Failure due to misuse, abuse, and/or modification. (Please note that if the case of the product is opened or the screws are loosened, such an act will be regarded as a modification.) Note: Our thermocouple probes are consumables and are not covered by the warranty. ...
Table of Contents General ....................1 Unpacking ..................1 2.1. Unpacking ....................1 2.2. Repacking ....................1 Name and Explanation of Each Part ..........2 3.1. External View ..................... 2 3.2. LCD Display ....................3 Preparations Before Taking Measurements ........4 4.1.
1. General This product is a handheld thermometer for high precision, reliability, and usability. It has a high-precision analog technology and a microcomputer to digitally correct measured data, making highly stable and high-precision temperature measuring possible. 2. Unpacking 2.1. Unpacking Please check if the following items are present when unpacking.
3. Name and Explanation of Each Part 3.1. External View (HR-1750) ① Probe input connector ② LCD display ③ Key switch panel ④ Battery housing ⑤ Hand strap...
3.2. LCD Display ② ① ③ ⑤ ④ ⑥ ⑦ ⑩ ⑨ ⑧ Description HR-1650 HR-1750 HOLD segment ● ● ① ② A-OFF segment ● ● Battery segment ● ● ③ Main display ● ● ④ ゚ F segment ●...
Note: To maintain the waterproofing performance, firmly tighten the screws on the battery cover. Applicable models: HR-1650/HR-1750 4.2. How to Use the Hand Strap Place the enclosed hand strap on your wrist to prevent the instrument from dropping.
4.3. How to Set the Probe Set the probe to the main unit as shown in the illustration below. It is designed so that if the probe orientation is incorrect, it cannot be fully inserted. If the probe is forcefully inserted, failure may result. Please check the probe’s orientation before inserting it.
5. Operations and Functions This instruction manual covers the HR-1650 Series, and the HR-1750 Series. Depending on the model purchased, some functions may not be available. Please refer to the table below. Table of functions supported by individual series Function...
5.1. Power ON/OFF Pressing the POWER key will illuminate all the indicators for about three seconds and start the measurements. Press the POWER key again to turn the instrument off. All illuminated (HR-1750) Normal measurement 5.2. HOLD Function Press the HOLD key to maintain the indicated values during measurements. HOLD will illuminate on the screen while HOLD is on.
5.3. Automatic Power OFF Function When the AUTO OFF key is pressed, “AUTO OFF” symbol will illuminate on the screen. If no key operation is performed for a certain period of time (about five minutes), the power will automatically be turned off, preventing the unit from remaining turned on.
5.4. Resolution Change [Applicable Models: HR-1750] Press the RESO key to switch the resolution. 0.1°C resolution indication: A range between -104.9 and 504.9°C is displayed with a 0.1°C resolution. If a temperature is out of this range, the instrument will automatically indicate it at a 1°C resolution.
P/V Hold Function 5.5. [Applicable Models: HR-1750] Press the P/V-HOLD key to enter the P/V Hold function. The lowest and highest values will be displayed in the sub-screens. Press the P/V-HOLD again to return to normal measurements. Normal measurement P/V mode P/V-HOLD Current Max.
Retention of Setup Data Some settings will be released when the batteries are exchanged or when the instrument is turned off. Please check the details in the following table: Function HOLD Released Automatic power OFF Retained P/V hold Released Resolution/Analog output rate Retained Backlight Released...
8. Error Messages 8.1. Indication of a Broken Element of the Probe If the probe has a broken element or is disconnected, the burnout (broken element) indication is displayed. If this indication is displayed, replace the probe with a new one or connect the probe. 8.2.
Do not use alcohol, thinner, benzine, or other chemicals. Otherwise, the case or keyboard may become discolored or deformed. * About waterproofing [Applicable models: HR-1650/HR-1750] The simple water resistance specifications of this product are equivalent to IPX5. It can be washed with a small amount of water. However, do not directly spray water on the air hole near the battery housing.
10. Troubleshooting: Before Contacting Support If you find any abnormalities or become unable to operate the instrument, first check for the following items. If you still cannot solve the issue, please contact your retailer or our company. (1) The instrument does not operate when power is turned on: - Is the orientation of the batteries in the correct manner? Reset the batteries.
HR Series Specifications ANP specifications (common) Model (HR-) 1650, 1750 Operation switches Membrane keyboard (with clicking function) ANP connector (thermocouple homogeneous Input connector metals) Input Thermocouple Type E or K No. of input Signal source resistance 1 kΩ or less -200 to 800°C [-328 to 1472°F] 1°C -200 to 1370°C [-328 to 2498°F]...
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Digital linearizer method Linearizer method (compliant with JIS C 1602-2015) 82.1 × 166 × 36 mm (W × H × D) Dimensions (Excluding connector extrusion) Weight About 350 g (including batteries) Power supply 4 x Alkaline AA battery (LR6) Battery life About 900 hours (continuous operation time) Instruction manual, Test report, Warranty sheet,...
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Specifications (power supply) Model (HR-) 1650 1750 Batteries 4 x Alkaline AA battery (LR6) Battery life About 900h (continuous operation time) Specifications (accessories) Instruction manual Test report Warranty sheet Common Soft case Hand strap 4 x Alkaline AA battery (LR6)
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