Milwaukee 2216-20 vs 2217-20

Choose the Milwaukee 2217-20 if you need Lo-Z voltage troubleshooting, milliamp ranges or temperature; choose the 2216-20 when its core electrical functions cover your work. For HVAC work requiring a documented DC microamp range, choose neither on the available manual evidence: the 2217 sales page's flame-rectification claim conflicts with its exact-model manual.

Quick picks: buy the missing function

Compare specifications and all conditions

Ghost-voltage troubleshooting

Our choice

2217-20

Why

Adds Lo-Z; the 2216 manual lists no equivalent mode

Contact temperature and finer lead-based current readings

Our choice

2217-20

Why

K-type temperature input and milliamp ranges; thermocouple included

Voltage, resistance, continuity and capacitance without those extras

Our choice

2216-20

Why

Covers those functions with the same CAT III 600V rating

A specified DC µA function for flame rectification

Our choice

Neither without clarification

Why

Neither manual documents a dedicated µA range

Motor current measured through jaws

Our choice

Choose a clamp meter

Why

These handhelds measure current through leads

Full comparison table ↔

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Your requirement	Our choice	Why
Ghost-voltage troubleshooting	2217-20	Adds Lo-Z; the 2216 manual lists no equivalent mode
Contact temperature and finer lead-based current readings	2217-20	K-type temperature input and milliamp ranges; thermocouple included
Voltage, resistance, continuity and capacitance without those extras	2216-20	Covers those functions with the same CAT III 600V rating
A specified DC µA function for flame rectification	Neither without clarification	Neither manual documents a dedicated µA range
Motor current measured through jaws	Choose a clamp meter	These handhelds measure current through leads

Your requirement	Our choice	Why
Ghost-voltage troubleshooting	2217-20	Adds Lo-Z; the 2216 manual lists no equivalent mode
Contact temperature and finer lead-based current readings	2217-20	K-type temperature input and milliamp ranges; thermocouple included
Voltage, resistance, continuity and capacitance without those extras	2216-20	Covers those functions with the same CAT III 600V rating
A specified DC µA function for flame rectification	Neither without clarification	Neither manual documents a dedicated µA range
Motor current measured through jaws	Choose a clamp meter	These handhelds measure current through leads

The recommendations below use Milwaukee's 2216 manual and 2217 manual, with the US product pages used for box contents. For the wider shortlist, see our best multimeters guide.

Milwaukee 2216-20 vs 2217-20: the manual comparison

These are manufacturer specifications. Compare each range's resolution alongside its accuracy, minimum-input and duty limits.

Sources: the two manuals above, plus Milwaukee's 2216 product page and 2217 product page for display descriptions. The manuals' range tables are more useful here than an unconfirmed headline count: compare the actual step on the function you need.

Best for Lo-Z and temperature: Milwaukee 2217-20

The 2217-20 is our first choice between these two when any of its added functions solves a real job. Its manual documents a Lo-Z voltage position, temperature and milliamp ranges. Milwaukee's base-package inventory also includes the temperature probe, so this is more than a software or display difference.

The current-range improvement is substantial on paper: the smallest documented range is 60.00 mA with 0.01 mA steps, versus the 2216's 6 A range with 0.001 A steps. Choose it for finer milliamp readings, while checking the applicable accuracy specification and your equipment's service procedure.

The limitation: those milliamp specifications do not resolve the product page's separate microamp claim. Nor does the extra function set increase the marked safety category or improve the headline DC-voltage accuracy in the table.

See the exact 2217-20 package at Milwaukee.

Best when the core functions are enough: Milwaukee 2216-20

Choose the 2216-20 when your required list is voltage, resistance, continuity, capacitance, frequency and amp-range current. Its manual specifies those functions, True RMS AC and a backlight, with hold, min/max and a bar graph. There is little reason to choose functions you will not use, or to replace a suitable existing meter simply because the other model has a higher model number.

There is also a documented enclosure difference: the current 2216 manual lists IP64, while the 2217 manual lists IP54; both list a 1 m drop rating. Those are maker ratings, and both manuals specify indoor use. Keep the instrument within its operating instructions.

The limitation: the 2216 manual provides no temperature or Lo-Z function and only amp current ranges. Buying a thermocouple does not add a temperature function to a meter whose manual does not provide one.

See the exact 2216-20 package at Milwaukee.

Is the Milwaukee 2217 a good HVAC multimeter?

It fits an HVAC shopping list that calls for capacitance, contact temperature and milliamp readings. It is a poor purchase to make on the assumption that it has a verified flame-sensor µA mode.

Milwaukee's current 2217 product page says “600µa DC for Flame Rectification” and “Measures up to 600A AC.” However, the manual linked on that same page identifies 2217-20, lists current ranges ending at 10 A, and gives milliamp ranges without a dedicated µA range. Its current-input description uses test leads. We cannot reconcile those claims from the official documents; use the manual's documented functions for this comparison and seek model-specific clarification before buying for the disputed function.

For a concrete alternative, the Klein MM420 manual explicitly specifies a 400 µA DC range with 0.1 µA resolution. Its included thermocouple is limited to temperatures below 180°C, illustrating why the probe and meter need separate checks. See the MM420 selection in our multimeter guide and its official manual. Match those specifications to the equipment maker's requirements.

Need current measurement through a jaw? Start with clamp meter vs multimeter and our clamp-meter shortlist. A lead-based current function and a jaw-current function need separate specifications.

When Lo-Z justifies choosing the 2217

Milwaukee describes Lo-Z as a way to eliminate ghost-voltage readings. The 2217 manual gives approximately 4 kΩ input impedance in Lo-Z, versus 10 MΩ for ordinary DC-voltage measurement, and automatic AC/DC voltage detection in Lo-Z. The low-impedance function is the buying reason when ghost-voltage troubleshooting is on your required feature list.

It is not a default mode for every circuit. Milwaukee warns against using Lo-Z on circuits that could be damaged by the meter's low input impedance. Its Lo-Z range has 0.1 V resolution and ±(2.0% + 3 digits) accuracy, with the AC specification applying at 45–500 Hz. Use the function and range called for by the manual and the equipment service procedure; Lo-Z adds a troubleshooting option rather than a general accuracy upgrade.

Match the box, probe and calibration package

Milwaukee documents the following US packages. The standard 2217-20 includes a dual-banana thermocouple, while the standard 2216-20 does not list one. Both base packages list an electrical test-lead set, two AA batteries and a manual.

Sources: the standard product pages above and the official 2216-20NST and 2217-20NST inventories. Use the NST suffix to identify the calibration-document package. Its presence is not evidence of extra ranges. The 2217NST page also contains unrelated flashlight feature bullets; its box inventory and the exact meter manual are the useful references.

Probe limit remains unconfirmed. The 2217 manual specifies K-type measurement and expressly separates the meter's temperature range from the probe's specifications. Neither its standard box inventory nor that manual establishes a separate rating for the supplied dual-banana probe. Confirm its allowed temperature range and suitability for the surface or pipe you need to measure; do not transfer the meter's full range to the probe.

Replacement leads need more than a matching plug. Both manuals instruct owners to use Milwaukee test leads; the 2216 manual also requires CAT III 600V or better. Follow the exact meter and accessory instructions rather than assuming a generic banana-plug set is approved. Both meters have an accessory bay, but their base-package inventories do not list a case or mounting attachment; confirm any desired extras separately.

1. 1

   Match the functions

   Choose the base meter from its manual; resolve the disputed microamp claim before relying on it.

2. 2

   Match the accessories

   Confirm the supplied thermocouple's own limits and the specified replacement leads.

3. 3

   Match the paperwork

   Select the NST package when its calibration certificate and data meet your organization's requirements.

Input limits matter as much as functions

Both manuals limit 10 A measurements to one minute, followed by at least 20 minutes of rest. Their overload-protection figures are separate from the allowed measurement ranges. A maximum-current headline does not promise continuous operation at that current.

Both meters are marked CAT III 600V. The manuals prohibit voltage measurements above 600 V and warn against voltage measurement with a lead in the current input. They also prohibit resistance, continuity and capacitance measurements on energized circuits and require capacitors to be discharged. Follow the complete meter and accessory manuals; leave panel work to a licensed electrician. Our multimeter beginner guide explains the function choices.

How we choose

We compared Milwaukee's exact-model manuals, US package inventories, range tables and accessory instructions. Recommendations come from published specifications; we have no physical test results for these meters. Missing probe limits and conflicting sales-page claims remain identified.

Verdict

Buy the 2217-20 for Lo-Z, temperature or milliamp ranges. Buy the 2216-20 when its core electrical functions cover the job. For HVAC work requiring specified DC microamp performance, choose a meter with that range explicitly documented. Resolve the function first, then the thermocouple, leads and any calibration paperwork.