Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

FLUKE Insulation Tester: 0.1 megaohm to 600 megaohm, CAT III 1000V/CAT IV 600V - Standard Feature Megohmmeters
FLUKEStandard Feature Megohmmeters

FLUKE Insulation Tester: 0.1 megaohm to 600 megaohm, CAT III 1000V/CAT IV 600V

The FLUKE-1577 is a standard-feature megohmmeter from FLUKE, designed for insulation testing with a measurement range of 0.1 megaohm to 600 megaohm. It operates at a test voltage of 500V DC and carries safety ratings…

SKU 3G-OTH-173073

Also listed as: FLUKE1577 · FLUKE 1577

Brand
FLUKE
Item
Insulation Tester: 0.1 megaohm to 600 megaohm, CAT III 1000V/CAT IV 600V
Category
Standard Feature Megohmmeters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

FLUKE
Manufacturer Part Number
FLUKE-1577
Type
CAT III 1000V/CAT IV 600V, IP40, Digital, 1 mA
IP Rating
IP40
Test Voltage
500V DC

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

FLUKE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The FLUKE-1577 is a standard-feature megohmmeter from FLUKE, designed for insulation testing with a measurement range of 0.1 megaohm to 600 megaohm. It operates at a test voltage of 500V DC and carries safety ratings of CAT III 1000V and CAT IV 600V. The unit is digital, has an IP40 rating, and delivers a test current of 1 mA.

Frequently Asked Questions

What is the FLUKE-1577 insulation tester used for?

The FLUKE-1577 is used for insulation resistance testing on motors, cables, switchgear, and industrial electrical systems. It measures from 0.1 megaohm to 600 megaohm at 500V DC, helping maintenance technicians detect degraded insulation before equipment fails.

What are the specifications of the FLUKE-1577 megohmmeter?

The FLUKE-1577 is a digital megohmmeter with a measurement range of 0.1 megaohm to 600 megaohm, test voltage of 500V DC, and test current of 1 mA. It carries safety ratings CAT III 1000V and CAT IV 600V, with an IP40 rating for indoor use.

Where to buy the FLUKE-1577 insulation tester worldwide?

3G Electric supplies the FLUKE-1577 insulation tester to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this FLUKE megohmmeter.

How to select the right test voltage for insulation testing?

Select test voltage based on equipment rating: 500V DC is standard for 600V class motors and cables, as used on the FLUKE-1577. Always follow manufacturer guidelines and use a meter with appropriate CAT rating, such as CAT III 1000V/CAT IV 600V, for safe measurements.

Used in

Common applications for FLUKE
Industrial process calibration — Fluke FLK-729PRO 4M automatic pressure calibrator for verifying pressure transmitters and switches
Electrical maintenance — Fluke-77 IV digital multimeter for measuring AC/DC voltage and current in control panels
HVAC diagnostics — Fluke-59 MAX infrared thermometer for non-contact temperature measurement of ducts and equipment
Rotating equipment alignment — Fluke 832 NA laser shaft alignment tool for aligning pump and motor shafts
Temperature sensor calibration — Fluke 9144-E-P-156 drywell for calibrating RTDs and thermocouples in field metrology
Electrical safety testing — Fluke FTP-1 test probe for making voltage measurements in CAT III and CAT IV environments

FLUKE Products

3G Electric supplies FLUKE standard feature megohmmeters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
FLUKE Insulation Tester: 200 kiloohm to 1 teraohm, CAT II/CAT III 1000V/CAT IV 600V, IP40, Digital (MPN FLUKE-1550C FC)
FLUKE
FLUKE Insulation Tester: 200 kiloohm to 1 teraohm, CAT II/CAT III 1000V/CAT IV 600V, IP40, Digital (MPN FLUKE-1550C FC)
FLUKE Insulation Tester: 200 kiloohm to 2 teraohm, CAT II/CAT III 1000V/CAT IV 600V, IP40, Digital (MPN FLUKE-1555 FC)
FLUKE
FLUKE Insulation Tester: 200 kiloohm to 2 teraohm, CAT II/CAT III 1000V/CAT IV 600V, IP40, Digital (MPN FLUKE-1555 FC)
FLUKE Insulation Multimeter: 0.01 megaohm to 2 gigohm, CAT III 1000V/CAT IV 600V, IP40, Digital (MPN FLUKE-1587 FC/WWG)
FLUKE
FLUKE Insulation Multimeter: 0.01 megaohm to 2 gigohm, CAT III 1000V/CAT IV 600V, IP40, Digital (MPN FLUKE-1587 FC/WWG)
FLUKE Insulation Tester: 200 kiloohm to 500 gigohm, CAT IV 600V, IP40, Digital, No Output, >2 mA (MPN FLUKE-1535)
FLUKE
FLUKE Insulation Tester: 200 kiloohm to 500 gigohm, CAT IV 600V, IP40, Digital, No Output, >2 mA (MPN FLUKE-1535)
FLUKE Megohmmeter: 5 megaohm to 100 gigohm, CAT III 1000V/CAT IV 600V, IP40, Digital, USB (MPN FLUKE-1550C)
FLUKE
FLUKE Megohmmeter: 5 megaohm to 100 gigohm, CAT III 1000V/CAT IV 600V, IP40, Digital, USB (MPN FLUKE-1550C)
FLUKE Megohmmeter: 5 megaohm to 100 gigohm, CAT III 1000V/CAT IV 600V, IP40, Digital, USB (MPN FLUKE-1555)
FLUKE
FLUKE Megohmmeter: 5 megaohm to 100 gigohm, CAT III 1000V/CAT IV 600V, IP40, Digital, USB (MPN FLUKE-1555)

More from FLUKE

View all FLUKE parts
FLUKE Megohmmeter: 0.01 kiloohm to 20 kiloohm, CAT IV 600V, IP40, Digital, No Output, 1 mA (MPN FLUKE-1503)
FLUKE
FLUKE Megohmmeter: 0.01 kiloohm to 20 kiloohm, CAT IV 600V, IP40, Digital, No Output, 1 mA (MPN FLUKE-1503)
FLUKE Megohmmeter: 0.01 megaohm to 10 gigohm, CAT IV 600V, IP40, Digital, No Output, > 200 mA (MPN FLUKE-1507)
FLUKE
FLUKE Megohmmeter: 0.01 megaohm to 10 gigohm, CAT IV 600V, IP40, Digital, No Output, > 200 mA (MPN FLUKE-1507)