Klein Tools Digital Clamp Meters

A comparison of features and specifications for various Klein Tools digital clamp meter models.

Product Overview

Klein Tools offers a range of digital clamp meters designed for various electrical measurement needs. The following table outlines the key features and specifications for models CL120, CL220, CL320, CL390, CL490, CL445, CL710, CL810, and CL900.

FEATURES	CL120	CL220	CL320	CL390	CL490	CL445	CL710	CL810	CL900
✔️ Drop Protection	6.6 ft. (2 m)	6.6 ft. (2 m)	6.6 ft. (2 m)	6.6 ft. (2 m)	6.6 ft. (2 m)	6.6 ft. (2 m)	6.6 ft. (2 m)	6.6 ft. (2 m)	6.6 ft. (2 m)
? Ingress Protection							IP40	IP40	IP40
⚠️ Safety	CAT III 600V	CAT III 600V	CAT III 600V	CAT III 600V	CAT III 600V	CAT III 750V	CAT III 1000V	CAT III 1000V	CAT IV 600V
⚡ AC Voltage (Volts)	600V	600V	600V	600V	600V	750V	1000V	1000V	1000V
⚡ DC Voltage (Volts)	600V	600V	600V	600V	600V	600V	1000V	1000V	1000V
Ⓐ AC Current (Amps)	400A	400A	400A	400A	400A	600A	600A	600A	2000A
Ⓐ DC Current (Amps)	400A	400A	600A	600A					2000A
Ω Ohms (Resistance)	20MΩ	20MΩ	40MΩ	40MΩ	40MΩ	60MΩ	60MΩ	60MΩ	60MΩ
mV AC Millivolts	✔	✔	✔	✔	✔	✔	✔	✔	✔
mV DC Millivolts	-	-	-	-	-	-	-	-	-
μA DC Microamps	✔	✔	✔	✔	✔	✔	✔	✔	✔
∿ TRMS True RMS	✔	✔	✔	✔	✔	✔	✔	✔	✔
? Audible Continuity	✔	✔	✔	✔	✔	✔	✔	✔	✔
? LCD Backlight			Backlit Reverse Contrast	Backlit Dual Hi-Vis Reverse Contrast	Backlit Hi-Vis Reverse Contrast	Backlit Hi-Vis Reverse Contrast	Backlit Hi-Vis Reverse Contrast	Backlit Hi-Vis Reverse Contrast	Backlit Hi-Vis Reverse Contrast
? Lighted Dial
?️ Temperature	-40°–1832°F (-40°–1000°C)	-40°–1832°F (-40°–1000°C)	-40°–1832°F (-40°–1000°C)	-40°–1832°F (-40°–1000°C)	-40°–1832°F (-40°–1000°C)	-148°-1832°F (-100°–1000°C)	-40°-1832°F (-40°–1000°C)	-	-
⚡ Inrush Current						600A	600A		2000A
⚡ NCV Non-Contact Voltage Testing	✔	✔	✔	✔	✔	✔	✔	✔	✔
⚙️ AUTO Auto Ranging	✔	✔	✔	✔	✔	✔	✔	✔	✔
↔️ RANGE Range Hold	✔	✔	✔	✔	✔	✔	✔	✔	✔
? HOLD Data Hold	✔	✔	✔	✔	✔	✔	✔	✔	✔
⚡ Diode Test	-	-	-	-	-	-	-	-	-
?️ Capacitance Test	-	-	4000 μF	4000 μF	6000 μF	6000 μF	6000 μF	6000 μF	6000 μF
Hz Frequency/Duty Cycle	10Hz-60kHz	10Hz-60kHz	10Hz - 60kHz	10Hz - 60kHz	1Hz - 500kHz	1Hz - 500kHz	1Hz - 500kHz	1Hz - 500kHz	1Hz - 500kHz
? MAX/MIN	Max Only	Max Only	Max Only	Max Only	Max Only	Max Only	Max Only	Max Only	Max Only
⚖️ Relative/Zero	✔	✔	✔	✔	✔	✔	✔	✔	✔
? Magnet	Available As Accessory	Available As Accessory	Available As Accessory	Available As Accessory	Available As Accessory	Available As Accessory	Available As Accessory	Available As Accessory	Available As Accessory
? Worklight	✔	✔	✔	✔	✔	✔	✔	✔	✔
? Lead holder	✔	✔	✔	✔	✔	✔	✔	✔	✔
? APO Auto-Power Off	✔	✔	✔	✔	✔	✔	✔	✔	✔
? Low Battery Indicator	✔	✔	✔	✔	✔	✔	✔	✔	✔
? LCD Display Count	2000	2000	4000	4000	4000	6000	6000	6000	6000
? Batteries	3 x AAA	3 x AAA	3 x AAA	3 x AAA	2 x AA	3 x AAA	3 x AAA	3 x AAA	2 x AAA
? Case Included	✔	✔	✔	✔	✔	✔	✔	✔	✔
?️ Dual Display	-	-	-	-	-	-	-	-	-

	Klein Tools CL445 HVAC Clamp Meter Instruction Manual \| Specifications & Operation Comprehensive instruction manual for the Klein Tools CL445 HVAC Clamp Meter. Learn about its features, specifications, operating procedures, safety warnings, and maintenance.
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	Klein Tools MM320 Manual-Ranging Digital Multimeter Instruction Manual This document provides detailed instructions for the Klein Tools MM320 Manual-Ranging Digital Multimeter, covering its features, specifications, operating instructions, and maintenance. It explains how to measure AC/DC voltage, DC current, resistance, test batteries, diodes, and continuity. Safety warnings and troubleshooting tips are also included.
	Klein Tools MM400 Digital Multimeter - Auto-Ranging, 600V Discover the Klein Tools MM400, an auto-ranging digital multimeter designed for electricians. This device measures AC/DC voltage, current, resistance, temperature, capacitance, frequency, and duty-cycle, with test diode and continuity functions. Learn about its specifications and features.
	Klein Tools CL810 Instruction Manual: 600A AC/DC Auto-Ranging TRMS Clamp Meter with Work Light Instruction manual for the Klein Tools CL810 clamp meter, detailing its features, specifications, and operating procedures for electrical measurements including AC/DC current, voltage, resistance, continuity, frequency, capacitance, diode testing, NCV detection, and work light functionality.
	Klein Tools CL390 400A AC/DC Auto-Ranging Digital Clamp Meter Instruction Manual Comprehensive instruction manual for the Klein Tools CL390 digital clamp meter, detailing its features, specifications, and safe operating procedures for AC/DC current, voltage, resistance, and temperature measurements.
	Klein Tools CL220 400A AC Auto-Ranging Digital Clamp Meter Instruction Manual Comprehensive instruction manual for the Klein Tools CL220, a 400A AC auto-ranging digital clamp meter featuring True RMS measurement technology, non-contact voltage testing, data hold, temperature measurement, and audible continuity. Includes general and electrical specifications, operating instructions, safety warnings, and maintenance details.

Product Overview

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