Internet #305415014

Model # CL450

0092644690631

HVAC Clamp Meter with Differential Temperature

  • Digital clamp meter measures 600A AC, 1000V AC/DC, 60MΩ
  • 2 K-type thermocouple ports for differential temperature
  • Automatically ranging TRMS measurement technology for accuracy
$ 159 77
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Frequently Bought Together

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Product Overview

  • Digital clamp meter measures 600A AC, 1000V AC/DC, 60MΩ
  • 2 K-type thermocouple ports for differential temperature
  • Automatically ranging TRMS measurement technology for accuracy
The dual display CL450 Clamp Meter is a "game changer" for the HVAC professional. This True RMS CAT IV 600V meter offers DC Microamps, differential temperature, digital temperature calibration, inrush current and many other functions for HVAC applications. Includes a carrying case, test leads, thermocouples and batteries.
  • Measures AC/DC voltage up to 1,000-Volt, 600 Amp AC current, 60 m resistance, DC millivolts and micro amps
  • Automatically ranging True Root Mean Squared (TRMS) measurement technology for accuracy CAT IV 600-Volt, CAT III 1,000-Volt, class 2, double insulation safety rating
  • Clamp measures AC current and inrush current
  • 2 K-Type thermocouple ports for differential temperature measurements
  • Test leads measure AC/DC voltage, DC micro amp, resistance, continuity, frequency, duty-cycle, capacitance and diodes
  • Dedicated mode for capturing DC micro amp and inrush current
  • Low-pass filter and low impedance (LoZ) mode for identifying and eliminating ghost or stray voltages
  • Dual backlit 6000 LCD display for clear visibility in environments with low ambient lighting
  • Rugged design with a 6.6 ft. (2 m) drop protection and a CAT IV 600-Volt safety rating
  • Includes carrying case, instruction manual, straight input test leads, two K-type thermocouples and 3 x AAA batteries
  • Can be used with Magnetic Hanger Cat. No. 69417 (sold separately)
  • Click here for more information on Electronic Recycling Programs
  • California residents see Prop 65 WARNINGS

Product Overview

  • Digital clamp meter measures 600A AC, 1000V AC/DC, 60MΩ
  • 2 K-type thermocouple ports for differential temperature
  • Automatically ranging TRMS measurement technology for accuracy
Model #: CL450
Internet #: 305415014

The dual display CL450 Clamp Meter is a "game changer" for the HVAC professional. This True RMS CAT IV 600V meter offers DC Microamps, differential temperature, digital temperature calibration, inrush current and many other functions for HVAC applications. Includes a carrying case, test leads, thermocouples and batteries.

  • Measures AC/DC voltage up to 1,000-Volt, 600 Amp AC current, 60 m resistance, DC millivolts and micro amps
  • Automatically ranging True Root Mean Squared (TRMS) measurement technology for accuracy CAT IV 600-Volt, CAT III 1,000-Volt, class 2, double insulation safety rating
  • Clamp measures AC current and inrush current
  • 2 K-Type thermocouple ports for differential temperature measurements
  • Test leads measure AC/DC voltage, DC micro amp, resistance, continuity, frequency, duty-cycle, capacitance and diodes
  • Dedicated mode for capturing DC micro amp and inrush current
  • Low-pass filter and low impedance (LoZ) mode for identifying and eliminating ghost or stray voltages
  • Dual backlit 6000 LCD display for clear visibility in environments with low ambient lighting
  • Rugged design with a 6.6 ft. (2 m) drop protection and a CAT IV 600-Volt safety rating
  • Includes carrying case, instruction manual, straight input test leads, two K-type thermocouples and 3 x AAA batteries
  • Can be used with Magnetic Hanger Cat. No. 69417 (sold separately)
  • Click here for more information on Electronic Recycling Programs
  • California residents see Prop 65 WARNINGS

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.

Key Features

Product Overview
Key Features
  • Digital clamp meter measures 600A AC, 1000V AC/DC, 60MΩ
  • 2 K-type thermocouple ports for differential temperature
  • Automatically ranging TRMS measurement technology for accuracy
The dual display CL450 Clamp Meter is a "game changer" for the HVAC professional. This True RMS CAT IV 600V meter offers DC Microamps, differential temperature, digital temperature calibration, inrush current and many other functions for HVAC applications. Includes a carrying case, test leads, thermocouples and batteries.
  • Measures AC/DC voltage up to 1,000-Volt, 600 Amp AC current, 60 m resistance, DC millivolts and micro amps
  • Automatically ranging True Root Mean Squared (TRMS) measurement technology for accuracy CAT IV 600-Volt, CAT III 1,000-Volt, class 2, double insulation safety rating
  • Clamp measures AC current and inrush current
  • 2 K-Type thermocouple ports for differential temperature measurements
  • Test leads measure AC/DC voltage, DC micro amp, resistance, continuity, frequency, duty-cycle, capacitance and diodes
  • Dedicated mode for capturing DC micro amp and inrush current
  • Low-pass filter and low impedance (LoZ) mode for identifying and eliminating ghost or stray voltages
  • Dual backlit 6000 LCD display for clear visibility in environments with low ambient lighting
  • Rugged design with a 6.6 ft. (2 m) drop protection and a CAT IV 600-Volt safety rating
  • Includes carrying case, instruction manual, straight input test leads, two K-type thermocouples and 3 x AAA batteries
  • Can be used with Magnetic Hanger Cat. No. 69417 (sold separately)
  • Click here for more information on Electronic Recycling Programs
  • California residents see Prop 65 WARNINGS

Product Overview

  • Digital clamp meter measures 600A AC, 1000V AC/DC, 60MΩ
  • 2 K-type thermocouple ports for differential temperature
  • Automatically ranging TRMS measurement technology for accuracy
Model #: CL450
Internet #: 305415014

The dual display CL450 Clamp Meter is a "game changer" for the HVAC professional. This True RMS CAT IV 600V meter offers DC Microamps, differential temperature, digital temperature calibration, inrush current and many other functions for HVAC applications. Includes a carrying case, test leads, thermocouples and batteries.

  • Measures AC/DC voltage up to 1,000-Volt, 600 Amp AC current, 60 m resistance, DC millivolts and micro amps
  • Automatically ranging True Root Mean Squared (TRMS) measurement technology for accuracy CAT IV 600-Volt, CAT III 1,000-Volt, class 2, double insulation safety rating
  • Clamp measures AC current and inrush current
  • 2 K-Type thermocouple ports for differential temperature measurements
  • Test leads measure AC/DC voltage, DC micro amp, resistance, continuity, frequency, duty-cycle, capacitance and diodes
  • Dedicated mode for capturing DC micro amp and inrush current
  • Low-pass filter and low impedance (LoZ) mode for identifying and eliminating ghost or stray voltages
  • Dual backlit 6000 LCD display for clear visibility in environments with low ambient lighting
  • Rugged design with a 6.6 ft. (2 m) drop protection and a CAT IV 600-Volt safety rating
  • Includes carrying case, instruction manual, straight input test leads, two K-type thermocouples and 3 x AAA batteries
  • Can be used with Magnetic Hanger Cat. No. 69417 (sold separately)
  • Click here for more information on Electronic Recycling Programs
  • California residents see Prop 65 WARNINGS

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.

Compare Similar

Compare Similar Products
Brand Klein Tools Klein Tools Sperry Milwaukee
Name 2,000 Amp Digital Clamp Meter HVAC Clamp Meter with Differential Temperature True RMS 6-Function Digisnap Digital Snap-Around 600 Amp AC/DC Digital Clamp Meter
Price See Lower Price in Cart
$159.77
$212.09
$239.00
Ratings (9) (18) (0) (15)
Test Meter Type Clamp/Multimeter Clamp/Multimeter Clamp/Multimeter Clamp/Multimeter
View Product View Product View Product View Product

Specifications

Dimensions

Product Depth (in.)
10 in
Product Height (in.)
1.59 in
Product Width (in.)
3.77 in

Details

Battery Power Type
Alkaline
Battery Size
AAA
Category Rating
IV
Control Type
Digital
Display Type
LCD
Electrical Tools Features
Auto Ranging,Backlit,Built-in Clamp,Data Hold,Handheld,Impact Resistant,Interchangeable Leads,Noncontact Detection,RMS,Tests Continuity,Tests Resistance
Measures/Detects
Amperage,Capacitance,Continuity,Diodes,Duty cycle,Frequency,Polarity,Resistance,Temperature,Voltage
Number of Batteries Required
3
Number of Functions
20
Number of Ranges
42
Product Weight (lb.)
0.787 lb
Returnable
90-Day
Test Meter Type
Clamp/Multimeter
Tools Product Type
Test Meter
Type
Clamp
Voltage (volts)
1000

Warranty / Certifications

Manufacturer Warranty
Please refer to the attached warranty document in the Product Overview section above under Info & Guides.

Specifications

Dimensions

Product Depth (in.)
10 in
Product Height (in.)
1.59 in
Product Width (in.)
3.77 in

Details

Battery Power Type
Alkaline
Battery Size
AAA
Category Rating
IV
Control Type
Digital
Display Type
LCD
Electrical Tools Features
Auto Ranging,Backlit,Built-in Clamp,Data Hold,Handheld,Impact Resistant,Interchangeable Leads,Noncontact Detection,RMS,Tests Continuity,Tests Resistance
Measures/Detects
Amperage,Capacitance,Continuity,Diodes,Duty cycle,Frequency,Polarity,Resistance,Temperature,Voltage
Number of Batteries Required
3
Number of Functions
20
Number of Ranges
42
Product Weight (lb.)
0.787 lb
Returnable
90-Day
Test Meter Type
Clamp/Multimeter
Tools Product Type
Test Meter
Type
Clamp
Voltage (volts)
1000

Warranty / Certifications

Manufacturer Warranty
Please refer to the attached warranty document in the Product Overview section above under Info & Guides.

Questions & Answers

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Customer Reviews

Klein Tools HVAC Clamp Meter with Differential Temperature is rated 4.7 out of 5 by 18.
Rated 5 out of 5 by from Seems to be a good meter for the price but... Seems to be a good meter for the price but really haven’t used it much. Purchased mainly for the rush current measurement feature.
Date published: 2019-08-06
Rated 5 out of 5 by from I have the skills to service my air conditioning system and recently obtained the new Klein Tools... I have the skills to service my air conditioning system and recently obtained the new Klein Tools HVAC Clamp Meter (CL450) to supplement my equipment. This multimeter has everything needed for an HVAC Technician, and is very intuitive and easy to use. It comes with test leads, nylon case, batteries and two K-Type thermocouples for measuring differential temperature across a heat exchanger or cooling coil. After using the Klein Tools CL450 for several weeks, I am very impressed with the features and performance. This is a true RMS Cat IV 600 Volt meter with Clamp for measuring AC current and inrush current. However, it also has the ability of measuring DC Microamps for sensitive electronics, and resistance, continuity, frequency, duty-cycle capacitance and diodes. It includes a backlit LCD display for use in low lighting, and heavy duty plastic case, designed to withstand a drop from 2 meters. I highly recommend this tool for the professional HVAC Technician and Do-It-Yourself Handyman.
Date published: 2018-08-01
Rated 5 out of 5 by from Gosh!!! Where do I start. This HVAC Clamp Meter has all the bells and whistles you would ever ne... Gosh!!! Where do I start. This HVAC Clamp Meter has all the bells and whistles you would ever need to do just about any job that goes with that profession. I am overwhelmed at all of the things this tool can do and it comes from a company that has a long line of success in the professional electrical tool line. This tool is easy to use and if you have a problem, the directions manual can answer most of them. If you need additional guidance you can go to Klein tool customer service by phone or computer and they are more than willing to help out. This tool has so many functions, I can tell you of 18 for sure and I am sure that there are more than that in the right hands. I am a novice so I just stick to the directions in the manual. It is awesome to use. Its easy to understand and if you follow the manual its easy to use if you dont let it overwhelm you. This is a very good tool to have in the bag but not something everyone should have unless you know what you are doing.
Date published: 2018-07-31
Rated 5 out of 5 by from This versatile multi-meter adds non contact in circuit clamp measurements as well as temperature ... This versatile multi-meter adds non contact in circuit clamp measurements as well as temperature probes. While designed for HVAC work it can be used for all manner of electrical and electronic measurements. It comes with temperature probes so I will not have to rely on my fingers for checking for overheating. It measures currents down to micro amps and voltages to millivolts so I will use it while designing circuits. Although sensitive, this measuring tool is rugged, they claim it can survive a six foot fall, but I will not deliberately put this to a test. Surprisingly this meter did not come with a line splitter which is needed whenever you want to measure the current of an appliance coming though a cable or power cord. I made one with a plug and socket from my scrap box, but I could also have sacrificed a short extension cord by separating the three lines. Since I do all kinds of electrical and electronic projects as well as household repairs this is one meter that should meet all my needs.
Date published: 2018-08-06
Rated 5 out of 5 by from Excellent product. Works Perfectly. Especially appreciate the inrush current feature and the dual... Excellent product. Works Perfectly. Especially appreciate the inrush current feature and the dual temperature probes.
Date published: 2019-07-02
Rated 5 out of 5 by from This is a nice little multi-meter with K-type thermo-couples that immediately allows you to preci... This is a nice little multi-meter with K-type thermo-couples that immediately allows you to precisely measure differential temperature of high and low pressure pipes. The inrush feature is excellent way of determining the proper function of the capacitor, plus it allows the installer to provide some information to the homeowner when selecting a generator for backup. Usually AC units are the largest power consumer so everything has to comply with the sum of at least AC inrush and refrigerator combined. There are not many alternatives on the market in this price range. There is a Non-Contact Voltage Testing Sensor at the top of the clamp, which makes it very functional when trying to determine between live and neutral wires. I certainly liked the functionality to flip between F and C. I like to work with C due to a more linear differential measurement under different ambient temperatures and I feel more pros out there are using the same approach. Actually, you don't need any other electrical diagnostic tool to perform any work on AC or central air heating units. Comes with all electrodes and therm-couples, detailed usage manual and a nice zipper pouch to keep it clean. Certainly another great and versatile product from Klein!
Date published: 2018-08-03
Rated 5 out of 5 by from If you are planning to buy a clamp meter this is the one to get. I have a few of them but this ha... If you are planning to buy a clamp meter this is the one to get. I have a few of them but this has many features built into one unit and it is sold at an excellent price point. It has a simple eight position dial used in conjunction with a select switch to change modes within the function. It also auto ranges but you can override into manual mode with a button. It accepts two K-Type probes for dual temperature readings. It has standard probes for measurement and also has a clamp function for measurement of amperage. Additionally there is a non-contact voltage sensor in the tip of the unit. The display also features a bar graph that is an analog representation of the measurement which displays three to five times faster than the main display. Measuring options: AC / DC Voltage (up to 1000V) AC current [clamp] (up to 600 Amps) AC inrush current [clamp] Microamps DC current (up to 200 micro Amps) AC / DC low impedence (LoZ) Voltage AC + DC Voltage AC Voltage + AC Amperage Continuity (including audible mode) / Resistance (up to 60 Mega Ohms) Capacitance (up to 6000 micro farads) Diode test Frequency / Duty Cycle (up to 1000 kHz) Temperature (-40F to 1832F) Differential Temperature I performed Voltage, Amperage, Frequency, Diode, Resistor, Continuity and temperature tests (see pictures). It performed accurately for each of the test. The package includes a soft case, the meter, standard probes, two K-Type probes, batteries and a manual.
Date published: 2018-08-06
Rated 1 out of 5 by from Not worth it Hvac -techs Not worth the money originally $153. When I put my eyes on it turn around price went up to $169.99. So I thought it has to be good if price is going up more people must want it . The reading never zeros out the non contact voltage is way to sensitive I’m in the middle of a room with now electricity with in 3ft and red led light turn on indicating there’s power . The hertz jump up with the non contact voltage . Professionals please stick with fieldpiece or fluke . No wonder I’ve never seen a Klein’s tools multimeter in a true Hvac pros bag .
Date published: 2019-03-23
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