Milwaukee 2236-20 Repair Service Instructions
Clamp meter calibration
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Also See for 2236-20:
- Operator's manual (16 pages) ,
- Operator's manual (21 pages) ,
- Operator's manual (21 pages)
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MILWAUKEE ELECTRIC TOOL CORPORATION – TEST & MEASUREMENT PRODUCT
REPAIR SERVICE INSTRUCTIONS — CALIBRATION
2236-20 Clamp Meter for HVAC/R
2237-20 Clamp Meter
Perform all calibration at an ambient temperature of 23°C ± 2°C / 73.4°F ± 3.6°F and relative
Environmental
humidity of 80% - allow the fork meter to sit at this temperature for a minimum of 30
Condition
minutes before proceeding.
MILWAUKEE ELECTRIC TOOL CORPORATION
13135 WEST LISBON ROAD ● BROOKFIELD, WISCONSIN 53005-2550 ● USA
REPAIR SERVICE
INSTRUCTIONS
Calibration
58-92-2236d2 06/2012
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Table of Contents
Related Manuals for Milwaukee 2236-20
Summary of Contents for Milwaukee 2236-20
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Page 1: Repair Service
MILWAUKEE ELECTRIC TOOL CORPORATION – TEST & MEASUREMENT PRODUCT REPAIR SERVICE INSTRUCTIONS — CALIBRATION 2236-20 Clamp Meter for HVAC/R 2237-20 Clamp Meter Perform all calibration at an ambient temperature of 23°C ± 2°C / 73.4°F ± 3.6°F and relative Environmental... -
Page 2: Table Of Contents
DC Voltage Adjustment AC Voltage Adjustment AC Current Adjustment Jaw Balance Adjustment Off-Set adjustment for DC Current (2237-20) Check for Accuracy at 600A Function DC uA Adjustment (2236-20) Electric Capacity Function Temperature Measurement Function (2236-20) Operation Check Resistance Function Continuity Function... -
Page 3: Introduction
The information provided in this document is for the use of qualified personnel only. CAUTION The 2236-20 and 2237-20 contain parts that can be damaged by static discharge. Follow the standard practices for handling static sensitive devices. Precautions and Safety Information Use the Meter only as described in the Operator’s Manual. -
Page 4: Safety
SAFETY Review the following safety precautions to avoid injury and prevent damage to this product or products connected to it. To avoid potential hazards, use the product only as specified. WARNING: These statements identify conditions or practices that could result in personal injury or loss of life. -
Page 5: Specifications
SPECIFICATIONS All specifications are warranted unless noted typical and apply to the 2236-20 and 2237-20. Stated accuracies are at 23°C±5°C at than 80% relative humidity and without the battery indicator displayed. General specifications c i r y t i c i t Display "OL"... -
Page 6: Voltage Specifications
Measurement Specifications Accuracy is ±(% reading + number of digits) at 23°C ± 5°C, less than 80% R.H. Temperature coefficient: 0.1 * (Specified accuracy)/°C, <18°C, >28°C (1) DC Voltage Range Resolution Accuracy 60.0V 0.01V ±(1% reading + 3 digits) 600V 0.1V (2) AC Voltage Range... -
Page 7: Temperature Specifications
(8) Temperature Range Resolution Accuracy -40ºC ~ 400ºC ±1% ±2.0ºC 0.1°C ±1.5% ±4.0ºF -40ºF ~ 20.0ºF 0.1ºF 20.1ºF ~ 752ºF ±1.5% ±2.0ºF (9) Volt Sense Volt Sense Light should be on at 90V @ 1 inch (2.54 cm). (10) Thermocouple K Type Class II Thermocouple with standard dual banana jack. -
Page 8: Physical And Environment Characteristics
Physical and Environmental Characteristics ° 0 ° 0 y t i < i t l ) . t Vibration & shock Operating MIL-PRF-28800F for Class 2 Instrument Indoor Use Certifications and compliances Safety Designed to IEC61010-1, UL61010-1 and CSA specifications Input rating Category Ill 600V. -
Page 9: Performance Tests
Press “HOLD” key while turning the Meter on from the “OFF” position to hold the display in the Display Test Mode. Compare the display with the example in Figure 2. Turn off the meter to escape the test mode. LCD Graphics 2236-20 Figure 2 Display Test... -
Page 10: Component Layout And Spare Parts List
1. Component Layout and Spare Parts List FIG. PART NO. DESCRIPTION OF PART NO. REQ. 22-06-0150 Main PCBA 31-50-1225 Bottom Case 05-81-0285 N3 x 12 Philips Hd. Self-Tapping Scr. (1) 05-81-0155 N3 x 16 Philips Hd. Self-Tapping Scr. (1) FIG. PART NO. DESCRIPTION OF PART NO. -
Page 11: Disassembly
2. Disassembly 2.1 Removal of Battery cover (1) Unscrew one Battery-cover-fixing screw and remove the Battery Cover 2.2 Removal of Panel to the “OFF” position. (1) Set the Range Knob on the Top Case (2) Loosen two Bottom Case Screws 10 &... -
Page 12: Current Value For Adjustment
3.3 Current value for adjustment Current value for adjustment should be set according to the product of output current of Current generator and Turns of Coil. That is: Current electric field for adjustment (A0T) = Output current of Current generator (A) x Number of turns of Coil (Turn) Example: Output current of Current generator (A) Number of turns of Coil... -
Page 13: Ac Current Adjustment
3.7 AC current adjustment 3.7.1 Jaw balance adjustment (1) Set the output of DC power supply to 3V and apply the voltage to the instrument. (2) Rotate and set the Switch axis on the PCB to “600A” position. (Then the indication on the LCD should be “AC_A.) (3) Measure a current of AC500A (A·T)/50 or 60Hz generated by the AC current generator mentioned at clause 3.3. -
Page 14: Temperature Measurement Function
(8) Adjust VR10 to indicate “199.8 to 200.2ºF”. (9) Apply a voltage equivalent to -40.0ºF to the instrument via a generator. (10) Adjust VR11 to indicate “-39.8 to 40.2ºF”. (11) Repeat the step from (6) to (10). 2236-20 2237-20 Bottom Bottom... -
Page 15: Current Function
4.4 Current function (1) Set the Function switch to “ACA” position and clamp the coil to 500AT AC. (2) Then check that the indication of the instrument is within the range of 492.5 – 507.5 A 4.5 DC Current function (2237) (1) Set the Function switch to “ACA”... -
Page 16: Trouble Shooting - Continued
5. Trouble shooting - continued Symptoms Possible Causes Remedies Buzzer doesn’t sound Defect of circuit Replace the PCB at Continuity component function Incapable Defect in Replace the Temperature Probe. measurement Temperature Probe at temperature Defect of circuit Replace the PCB. rang e component Insufficient capacity...