Klein Tools CL440 Instruction Manual
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Klein Tools CL440 Instruction Manual

Hvac clamp meter
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1.800.561.8187
ENGLISH
INSTRUCTION MANUAL
HVAC Clamp Meter
HVAC Clamp Meter
HVAC Clamp Meter
HVAC Clamp Meter
True RMS
Measurement
Technology
-328° –
2462°F
-200° –
1350°C
• MICROAMP DC
• INRUSH CURRENT
• NON-CONTACT
VOLTAGE TESTING
• AUTO-RANGING
• TEMPERATURE
• AUDIBLE CONTINUITY
750V
600V
1 m
600A
60M
ESPAÑOL
pg. 19
FRANÇAIS
pg. 37
www.
.com
CL440
5001748
CAT IV
600V
information@itm.com

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Summary of Contents for Klein Tools CL440

  • Page 1 CL440 ENGLISH INSTRUCTION MANUAL HVAC Clamp Meter HVAC Clamp Meter HVAC Clamp Meter HVAC Clamp Meter True RMS Measurement Technology -328° – 2462°F -200° – 1350°C • MICROAMP DC • INRUSH CURRENT • NON-CONTACT VOLTAGE TESTING • AUTO-RANGING • TEMPERATURE •...

  • Page 2: General Specifications

    ENGLISH GENERAL SPECIFICATIONS Klein Tools CL440 is an automatically ranging true root mean square (TRMS) digital clamp meter that measures AC current and inrush via the clamp, AC/DC voltage, DC microamps, resistance, continuity, frequency, capacitance, and tests diodes via test-leads, and temperature via a thermocouple probe.

  • Page 3: Electrical Specifications

    ELECTRICAL SPECIFICATIONS Function Range Resolution Accuracy 600.0mV 0.1mV ±(1.8% + 5 digits) 6.000V ±(1.5% + 5 digits) AC Voltage 60.00V 10mV (V AC) ±(1.2% + 5 digits) 600.0V 100mV 750V ±(1.5% + 5 digits) 600.0mV 0.1mV ±(1.0% + 8 digits) 6.000V DC Voltage ±(0.8% + 3 digits)
  • Page 4 ENGLISH ELECTRICAL SPECIFICATIONS Function Range Resolution Accuracy 60.00nF 0.010nF ±(4% + 25 digits) 600.0nF 0.100nF 6.000 F 0.001 F Capacitance ±(4% + 8 digits) 60.00 F 0.010 F 600.0 F 0.100 F 6.000mF 0.001mF ±(5% + 9 digits) Maximum Input: 750V AC RMS or 600V DC -328°...

  • Page 5: Symbols On Lcd

    WARNINGS To ensure safe operation and service of the meter, follow these instructions. Failure to observe these warnings can result in severe injury or death. • Before each use verify meter operation by measuring a known voltage or current. • Never use the meter on a circuit with voltages that exceed the category based rating of this meter.

  • Page 6: Feature Details

    ENGLISH FEATURE DETAILS NOTE: There NOTE: There are no user- are no user- serviceable parts serviceable parts inside meter. inside meter. 6000 count LCD display Clamp trigger Function selector switch Arrow markings Clamp "SEL/NCV" button "COM" jack NCV Light "V µA" jack NCV Sensing Antenna Backlight button K-Type Thermocouple Inputs...

  • Page 7: Function Buttons

    FUNCTION BUTTONS ON/OFF To power ON the meter, rotate the Function Selector switch from the OFF setting to any measurement setting. To power OFF the meter, rotate the Function Selector switch to the OFF setting. By default, the meter will automatically power OFF after 10 minutes of inactivity. If the meter automatically powers-OFF while in a measurement setting, press any button to power the meter ON, or rotate Function Selector...
  • Page 8 ENGLISH FUNCTION BUTTONS 1. When measuring, press "MAX/MIN" button to toggle between the Maximum value (MAX), the Minimum value (MIN). If a new maximum or minimum occurs, the display updates with that new value. 2. Press "MAX/MIN" button for more than two seconds to return to normal measuring mode.
  • Page 9 OPERATING INSTRUCTIONS CONNECTING TEST LEADS Do not test if leads are improperly seated. Results could cause intermittent display readings. To ensure proper connection, firmly press leads into the input jack completely. INCORRECT CORRECT TESTING IN CAT III MEASUREMENT LOCATIONS Ensure the test lead shield is pressed firmly in place. Failure to use the CATIII / CATIV shield increases arc-flash risk.
  • Page 10 ENGLISH OPERATING INSTRUCTIONS AC CURRENT (LESS THAN 600A) AC Current is measured by pressing the clamp trigger to open the clamp and placing it around a current-carrying wire. When measuring, care should be taken to ensure that the clamp is completely closed with trigger fully released, and that the wire passes perpendicularly through the center of the clamp in line with...

  • Page 11: Inrush Current

    OPERATING INSTRUCTIONS Apply test leads to the circuit to be tested to measure voltage. The meter will auto-range to display the measurement in the most appropriate range. NOTE: If "–" appears on the LCD, the test leads are being applied to the circuit in reverse.
  • Page 12 ENGLISH OPERATING INSTRUCTIONS CONTINUITY 1. Insert RED test lead into V µA jack , and BLACK test lead into COM jack , and rotate function selector switch to the Continuity/Resistance/Capacitance/Diode-Test setting. NOTE: The meter defaults to Continuity testing in this mode. Ensure that the Continuity Testing icon is visible on the display.

  • Page 13: Resistance Measurements

    OPERATING INSTRUCTIONS RESISTANCE MEASUREMENTS 1. Insert RED test lead into V µA jack , and BLACK test lead into COM jack , and rotate function selector switch to the Continuity/Resistance/Capacitance/Diode-Test setting. NOTE: The meter defaults to Continuity testing in this mode. Press the "SELECT"...
  • Page 14 ENGLISH OPERATING INSTRUCTIONS CAPACITANCE 1. Insert RED test lead into V µA jack , and BLACK test lead into COM jack , and rotate function selector switch to the Continuity/Resistance/Capacitance/Diode-Test setting. NOTE: The meter defaults to Continuity testing in this mode. Press the "SELECT"...

  • Page 15: Diode Test

    OPERATING INSTRUCTIONS DIODE TEST 1. Insert RED test lead into V µA jack , and BLACK test lead into COM jack , and rotate function selector switch to the Continuity/Resistance/Capacitance/Diode-Test setting. NOTE: The meter defaults to Continuity testing in this mode. Press the "SELECT"...
  • Page 16 ENGLISH OPERATING INSTRUCTIONS TEMPERATURE 1. Remove leads from meter and slide the temperature probe input switch to close jacks and expose the K-Type thermocouple ports. 2. Insert K-type thermocouple into port ( and rotate function selector switch to the Temperature setting.

  • Page 17: Maintenance

    MAINTENANCE BATTERY REPLACEMENT When indicator is displayed on LCD, batteries must be replaced. 1. Loosen captive screw and remove battery cover. 2. Replace 3 × AAA batteries (note proper polarity). 3. Replace battery cover and fasten screw securely. Replace battery cover and fasten screw securely. To avoid risk of electric shock, disconnect leads from any voltage source before removing battery door.

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