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Related Manuals for Digi-Sense 20250-57
Summary of Contents for Digi-Sense 20250-57
- Page 1 User Manual Autoranging Clamp Meters with NIST-Traceable Calibration Models 20250-57 (1000 A AC), 20250-58 (1000 A AC/DC, True RMS) THE STANDARD IN PRECISION MEASUREMENT 1065DGMAN_20250-57,-58 DS Clamp Meter Man.indd 1 8/8/2017 1:06:47 PM...
- Page 2 Introduction The Digi-Sense Autoranging Clamp Meters (1000 A AC Model 20250-57; 1000 A AC/DC True RMS Model 20250-58) offer all the basic features needed for measurement. The double-molded plastic housing and jaw are designed for use in tight places. A large backlit display provides easy-to- read measurements.
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Page 3: Input Limits
• Do not exceed the maximum rated input limits: Input Limits Maximum Input, Maximum Input, Function Model 20250-57 Model 20250-58 1000 A AC 1000 A AC/DC 600 V AC/DC 600 V AC/DC Frequency, Duty... - Page 4 CAUTIONS • Improper use of this meter can cause damage, shock, injury or death. Read and understand this user manual before operating the meter. • Always remove the test leads before replacing the battery. • Inspect the condition of the test leads and the meter itself for any damage before operating the meter.
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Page 5: Key Features
Unpacking Check individual parts against the list of items below. If anything is missing or damaged, please contact your instrument supplier immediately. 1. Meter 2. Test leads 3. Temperature probe (model 20250-58 only) 4. Carrying case 5. 9 V battery 6. - Page 6 Meter Description (Model 20250-57) 1. Current clamp 2. Clamp trigger 3. Data HOLD and Backlight button 4. MODE select button 5. RANGE select button 6. LCD 6 0 0A 6 0A 7. COM input jack 8. Rotary function switch 9. Hz% Hold button 10.
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Page 7: Display Layout
Max and Min readings 6. HOLD Data HOLD mode Diode test mode 8. •))) Audible continuity 9. µ,m,V,A,K, Units of measure list (20250-57); M,Ω; °C,°F, µ,m,V, Units of measure list (20250-58) A,K,M,Ω 1065DGMAN_20250-57,-58 DS Clamp Meter Man.indd 7 8/8/2017 1:06:49 PM... -
Page 8: Setup And Operation
Setup and Operation Note: Read and understand all warning and precaution statements listed in the safety section of this operation manual prior to using this meter. Set the rotary function switch to the OFF position when the meter is not in use. AC and AC/DC Current Measurements WARNING: Ensure that the test leads are disconnected from the meter before making current clamp measure-... -
Page 9: Ac/Dc Voltage Measurements
AC/DC Voltage Measurements 1. Insert the black test lead into the negative COM terminal and the red test lead into the positive V terminal. 2. Set the rotary function switch to the V position. 3. For model 20250-58, select AC or DC by pressing the MODE button. -
Page 10: Diode And Continuity Measurements
Diode and Continuity Measurements 1. Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the positive diode jack. •))) position. 2. Turn the rotary function switch to the 3. Press the MODE button until “ “... -
Page 11: Frequency Or % Duty Cycle Measurements
Frequency or % Duty Cycle Measurements For Model 0250-57: 1. Set the rotary function switch to the Hz% position. 2. Press the Hz% button to indicate “Hz” in the display. 3. Insert the black lead banana plug into the negative COM jack and the red test lead banana plug into the positive Hz jack. -
Page 12: Mode Button
Temperature Measurements (Model 20250-58 only) WARNING: To avoid electric shock, disconnect both test probes from any source of voltage before making a temperature measurement. 1. Set the function switch to TEMP. 2. Insert the temperature probe into the negative COM and the V jacks, making sure to observe the correct polarity. -
Page 13: Range Button
The backlight function illuminates the display and is used when the ambient light to too low to permit viewing of the displayed readings. Press the HOLD/backlight button for one second to turn the backlight on and press the button a second time to turn the backlight off. -
Page 14: Specifications
Specifications Model 20250-57 Model 20250-58 Range & Accuracy Range & Accuracy Function Resolution (% of reading) Resolution (% of reading) 60.00 AAC 60.00 AAC ±(2.5% + 10 digits) ±(3.0% + 10 digits) (True RMS) 600.0 AAC AC Current 600.0 AAC ±(3.0 % + 8 digits) - Page 15 Model 20250-57 Model 20250-58 Range & Accuracy Range & Accuracy Function Resolution (% of reading) Resolution (% of reading) ±(3.0% reading ±(5.0% reading 40.00 nF 40.00 nF + 50 digits) + 100 digits) ±(3.0% reading 400.0 nF 400.0 nF + 5 digits) ±(3.5% reading...
- Page 16 Opening 1 ⁄ " (30 mm) approximately Diode test Test current of 0.3 mA typical; Open circuit voltage 1.5V DC typical Threshold <30 Ω (20250-57), <100 Ω Continuity check (20250-58), Test current <1 mA Low-battery “ ” is displayed...
- Page 17 Storage 32,808 ft (10,000 meters) Overvoltage Category III 600 V Battery One 9 V battery Auto power-off 30 minutes approximately Weight 7.1 oz (200 g) model 20250-57; 10.7 oz (303 g) model 20250-58 Dimensions ⁄ " x 3 ⁄ " x 1 ⁄...
- Page 18 Maintenance, Recalibration, and Repair Cleaning and Storage • The meter should be cleaned with a damp cloth and mild detergent when necessary. Do not use solvents or abra- sives. • Store the meter in an area with moderate temperature and humidity. Battery Replacement 1.
- Page 19 It is recommended that Digi-Sense products are calibrated annually to ensure proper function and accurate measurements; however, your quality system or regulatory body may require more frequent calibrations. To schedule your recalibration, please contact InnoCal, an ISO 17025 calibration laboratory accredited by A2LA.
- Page 20 Tel: (281) 359-8538 Fax: (281) 359-0084 For Product and Ordering Information, Contact: Toll-Free: 1-800-358-5525 Toll-Free: 1-800-323-4340 Phone: 1-847-327-2000 Phone: 1-847-549-7600 Fax: 1-847-327-2700 Fax: 1-847-247-2929 Davis.com/Digi-Sense ColeParmer.com/Digi-Sense 1065DGMAN_20250-57,-58 Manual Part No. 00101-92 1065DGMAN_20250-57,-58 DS Clamp Meter Man.indd 20 8/8/2017 1:06:50 PM...
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