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400A AC/DC Dual-Display Auto-Ranging Digital Clamp Meter
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Klein Tools · CL490
400A AC/DC Dual-Display Auto-Ranging Digital Clamp Meter
1 / 6
KLEIN TOOLSMODEL CL490

400A AC/DC Dual-Display Auto-Ranging Digital Clamp Meter

ELECTRICAL TESTER
COMMUNITY RATING
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TESTER TYPEDual Screen AC/DC Current TRMS Clamp
MAX. VOLTAGE600V
FUNCTIONSTRMS, AC/DC Current, NCVT, AC/DC Voltage, Resistance, DC microamp, Frequency, Capacitance, Continuity, Duty Cycle, Diode Test, and Temperature
WORK & TRADES
Electrician
ALERT

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WHERE TO BUY

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Recorded Sep 11, 2026 · not a live quote

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SPECIFICATIONS

PRODUCT

Model / SKU
CL490
Category
Testers & Diagnostics
Product type
Electrical Tester
RECORDED PRICES

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SIMILAR TOOLS

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TECHNICAL DETAILS
gtin14
00092644694271 · Source ↗
Type
Dual Screen AC/DC Current TRMS Clamp · Source ↗
Application
Measures AC/DC Current and NCVT via the Clamp and AC/DC voltage, DC Microamp Current, Resistance, Continuity, Frequency, Duty-Cycle, Capacitance and Tests Diodes via the Test Leads, and Temperature with Thermocouple · Source ↗
Special Features
Bottom Display; Automatically Ranging; TRMS Measurement; AC/DC Current Measurement; High Visibility Reverse Contrast LCD; NCVT · Source ↗
Material
ABS/Electronics · Source ↗
Batteries
2 x AA · Source ↗
Auto-Power Off
Yes · Source ↗
Jaw Size (Inch)
1.6 · Source ↗
Jaw Size (cm)
4.1 · Source ↗
Drop Protection
6.6' (2 m) · Source ↗
Display
4000 Count Backlit, Hi-Viz · Source ↗
Functions
TRMS, AC/DC Current, NCVT, AC/DC Voltage, Resistance, DC microamp, Frequency, Capacitance, Continuity, Duty Cycle, Diode Test, and Temperature · Source ↗
Auto Ranging
Yes · Source ↗
TRMS
Yes · Source ↗
Voltage
600V AC/DC · Source ↗
Frequency
10Hz - 60kHz · Source ↗
Current
400A AC/DC · Source ↗
Capacitance
4000µF · Source ↗
Ohms (Resistance)
40MΩ · Source ↗
AC Voltage
600V · Source ↗
DC Voltage
600V · Source ↗
DC Polarity Indicator
Yes · Source ↗
DC Micro-Amp
200µA · Source ↗
Temperature Range
-40° to 1832°F (-40° to 1000°C) · Source ↗
Accuracy
± (% of Reading + # of Least Significant Digits) Refer to Manual for Accuracy Depending on Active Function Selection Values Stated at 65° to 83°F (18° to 28°C) · Source ↗
Standard
CATIII 600V, Class 2, Double Insulation Safety Rating IEC EN 61010-1, 61010-2-032. IEC EN 61326-1, 61326-2-2.Conforms to UL STD.61010-1, 61010-2-032;Certified to CSA STD.C22.2 NO. 61010-1, 61010-2-032 · Source ↗
Included
Clamp Meter; Carrying Case; Instructions; Test Leads; Thermocouple; 2 x AA Batteries · Source ↗
Overall Length (Inch)
3.54 · Source ↗
Overall Length (cm)
9 · Source ↗
Overall Height (Inch)
8.46 · Source ↗
Overall Height (cm)
21.5 · Source ↗
Overall Width (Inch)
1.5 · Source ↗
Overall Width (cm)
3.8 · Source ↗
UPC
092644694271 · Source ↗
ABOUT THIS RECORD

RELEASE & SOURCE DATA

Release evidence
No explicit official release date found
Release confidence
Unknown
Source category
Test & Measurement
Source subcategory
Clamp Meters; Test & Measurement
Source product type
Clamp Meters; Test & Measurement

Type classification: inferred from product name. Original category names are retained in the specifications.

Last catalog observation: 2026-09-11

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Battery platform and system labels describe the source listing. Check the manufacturer’s compatibility notes before combining products. A listing status is not a live stock check.

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Klein Tools · CL490400A AC/DC Dual-Display Auto-Ranging Digital Clamp Meter

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Product reference: Klein Tools CL490

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