Premium Electrical Test Kit
69355 - spec sheet
Features
- GFCI Receptacle Tester RT250 features a large backlit LCD readout of voltage, and clear indication of wiring conditions, including patent pending detection of Open Neutral / Open Ground wiring faults
- Digital Multimeter MM320 includes right-angle test leads and all required batteries
- MM320 is CAT III safety rated for 600V
- LCD readout on receptacle tester shows the time required to trip a GFCI device; for use on 3-wire, North American 120V electrical outlets only
- Auto Power-Off on MM320 Multimeter
- Electrical Kit with Premium Testers solve various electrical applications; Manual-Ranging Digital Multimeter, Dual Range Non-Contact Voltage Tester with Flashlight, and GFCI Receptacle Tester with LCD
- Bright flashlight illuminates work area and may be used independent of voltage detection function
- Digital Multimeter MM320 measures up to 600V AC/DC voltage, 10A DC current and 2MOhms resistance; also tests batteries, diodes, and continuity
- Voltage Tester NCVT3P has dual-range capabilities to detect from 12 to 1000 VAC or 70 to 1000 VAC for a broad variety of low-voltage or standard voltage applications
Warnings
- Do not attempt to measure resistance or continuity on live circuits.
- Do not use the meter during electrical storms or in wet weather, and do not use the meter or test leads if they appear to be damaged.
- Read, understand and follow all instructions, cautions and warnings attached to and /or packed with all test and measurement devices before each use.
- Before each use verify meter operation by measuring a known voltage or current.
69355 - spec sheet
Manufacturer Resources
Spec Sheet
Product Specs
- Batteries:
- MM320 - 2 x AAA
- Current:
- 10A
- Display:
- MM320 - 2000 Count LCD
- Drop Protection:
- MM320 - 3.3' (1 m)
- Ohms Resistance:
- 2MΩ
- Overall Height:
- 1.80" (45.7 cm)
- Overall Length:
- 6.39" (162.4 cm)
- Overall Width:
- 3.12" (79.4 cm)
- Standards:
- MM320: CAT III 600V; CE; UKCA
- Department:
- Electrical
- Product Group:
- Test & Measurement
- Product Subgroup:
- Electrical Testers
- Product Type:
- Electrical Test Kit
- Product Voltage:
- MM320 - 600V AC/DC
- Product Function:
- Hold
- Product Details:
- Electrical Test Kit
- Product Height:
- 3.3500 in
- Product Material:
- ABS/Electronics
- Product Weight:
- 1.1500 lbs
- Product Width:
- 6.6900 in
- Product Depth:
- 11.4200 in
Klein Tools 69355 – Frequently Asked Questions
1) What three testers come in the Klein Tools 69355 electrical test kit?
The 69355 kit pairs three instruments: the MM320 manual-ranging digital multimeter, the NCVT3P dual-range non-contact voltage tester with a built-in flashlight, and the RT250 GFCI receptacle tester with an LCD readout. Between them you can take voltage, current and resistance readings, check a circuit is dead without contact, and verify outlet wiring and GFCI trip time.
2) Is the multimeter in the Klein 69355 kit rated for commercial panel work?
The MM320 multimeter carries a CAT III 600V safety rating, along with CE and UKCA marks. CAT III covers distribution-level circuits such as panelboards, branch circuits and fixed installation wiring. It is not rated CAT IV, so service entrance and utility connection work is outside its rating.
3) Will the RT250 receptacle tester in this kit work on 240V or two-wire outlets?
No. The RT250 is for 3-wire, North American 120V outlets only, so it will not test 240V receptacles or ungrounded two-wire outlets. On a proper 3-wire outlet it shows voltage on a backlit LCD, flags wiring faults including open neutral and open ground, and times how long a GFCI takes to trip.
4) Can the non-contact voltage tester in the Klein 69355 kit pick up low-voltage control and alarm wiring?
Yes. The NCVT3P is dual range: 12 to 1000 VAC on the low setting for thermostat, doorbell, alarm and other low-voltage circuits, or 70 to 1000 VAC on the standard setting to avoid false triggering on normal line voltage work. Its flashlight also runs independently of the voltage detection function, which helps in a dark panel room or crawlspace.
5) What can the MM320 multimeter actually measure?
Up to 600V AC and DC voltage, 10A DC current, and resistance to 2 megohms. It also tests batteries, diodes and continuity, and reads out on a 2000-count LCD. It is manual-ranging, so you select the range rather than letting the meter pick it.
6) Do I need to buy batteries or test leads separately for this Klein test kit?
No. The MM320 ships with right-angle test leads and all required batteries, which are 2 x AAA for the meter. You can put the kit to work out of the box.
7) Is this kit enough for an apartment maintenance tech doing outlet and circuit troubleshooting?
For routine multi-family and MRO troubleshooting, yes. The RT250 verifies outlet wiring and GFCI trip time on 120V 3-wire receptacles, the NCVT3P confirms a circuit is dead before you open a device, and the MM320 gives you actual voltage, continuity and resistance readings up to 600V. What it does not do is AC clamp current measurement; the meter's current range is 10A DC only, so motor and feeder load readings need a separate clamp meter.
8) How well does the MM320 meter hold up if it gets dropped off a ladder?
The MM320 is rated for drop protection to 3.3 feet (1 m). The housing is ABS with the electronics inside. That covers a bench or step-stool height fall, not a drop from a tall ladder or scaffold.
9) What is the Klein part number to order for this premium electrical test kit?
Order Klein Tools 69355. That single model number covers the complete kit with the MM320 multimeter, NCVT3P voltage tester and RT250 GFCI receptacle tester.
10) What does the Klein 69355 kit weigh and how big is it to carry in a tool bag?
The kit weighs 1.15 lbs. The meter itself measures 6.39 inches, 3.12 inches and 1.80 inches across its three stated dimensions, so all three testers drop into a pouch or bag without taking a dedicated case slot.
11) Does the multimeter in this kit shut itself off to save the batteries?
Yes, the MM320 has auto power-off, so a meter left on in the bag will not drain its 2 AAA cells overnight.
How fast can I get the Klein Tools 69355 delivered?
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reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Klein Tools 69355 come with a warranty?
Absolutely. The Klein Tools 69355 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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