The Anritsu HD Series is discontinued. The HR Series provides replacements for the main HD handheld thermometer models.
The Anritsu HD Series is discontinued. For new purchases, see the Anritsu HR Series handheld thermometers. This page helps identify older HD instruments and select the appropriate replacement.
HD-1200 and HD-1250 were standard models within a wider range that included basic, alarm, LED-display and memory instruments. The full model number matters when replacing an existing unit.
Anritsu lists December 2022 as the discontinuation date for the HD models below. Keep the existing K or E thermocouple type when selecting the replacement.
| Discontinued model | Listed replacement |
|---|---|
| HD-1100 | HR-1100 |
| HD-1150 | HR-1150 |
| HD-1200 | HR-1200 |
| HD-1250 | HR-1250 |
| HD-1300 | HR-1300 |
| HD-1301 / HD-1302 | HR-1301 |
| HD-1350 | HR-1350 |
| HD-1351 / HD-1352 | HR-1351 |
| HD-1400 | HR-1400 |
| HD-1500 | HR-1500 |
| HD-1550 | HR-1550 |
| HD-1201 / HD-1202 | No substitute listed |
| HD-1251 / HD-1252 | No substitute listed |
| HD Series °F versions | HR-1650 / HR-1750 |
For HD-1450, HD-1650 and HD-1750 references shown in the original product range, confirm the exact replacement with Seacom. A matching number alone does not establish an official replacement or identical functionality.
| Selection point | Existing HD instrument | HR replacement |
|---|---|---|
| Model choice | Identify the complete model and suffix | Use the replacement table, then check required functions |
| Probe connection | Check ASP or ANP connector | Select the corresponding input connector |
| Thermocouple type | Check K or E on the nameplate | Match the probe and instrument input type |
| Water protection | Depends on the original model | IPX5-equivalent protection on selected models only |
| Recording or output | Check existing software, cable and output requirements | Verify memory, transfer method and output specification before changing instruments |
Compare HR Series specifications and model options.
Check the probe before replacing the thermometer. Provide its complete order code and a photograph of the connector so Seacom can assess compatibility.
These photographs identify the discontinued HD range.

| Original product | Legacy references |
|---|---|
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HD-1100E / HD-1100K; HD-1150E / HD-1150K |
| Original product | Legacy references |
|---|---|
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HD-1200E / HD-1200K; HD-1250E / HD-1250K |
| Original product | Legacy references |
|---|---|
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HD-1300E / HD-1300K; HD-1350E / HD-1350K |
| Original product | Legacy references |
|---|---|
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HD-1400E / HD-1400K; HD-1450E / HD-1450K |
| Original product | Legacy references |
|---|---|
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HD-1500E / HD-1500K; HD-1550E / HD-1550K |
| Original product | Legacy references |
|---|---|
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HD-1650E / HD-1650K |
| Original product | Legacy references |
|---|---|
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HD-1750E / HD-1750K |
Probe links are provided for selection; confirm the thermocouple type, connector and operating range for the chosen instrument.
Contact Seacom with the complete HD model number, existing probe code, temperature range and required functions. Include photographs of the nameplate and probe connector so we can help select the appropriate HR configuration.
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