Need help?Do you have a question about the Radio Shack 22-218 and is the answer not in the manual?
General| Display | LCD |
|---|---|
| Display Digits | 3.5 |
| Diode Test | Yes |
| Continuity Test | Yes |
| Battery Type | 9V |
| Auto Power Off | No |
| Low Battery Indicator | Yes |
| Weight | 0.5 lbs |
| Type | Digital |
| AC Voltage Range | 200V |
| DC Current Range | 200µA |
| Resistance Range | 200Ω |
| Dimensions | 1.5 inches |
Adhere to voltage limits to prevent meter damage and electric shock.
Exercise extreme caution when working with voltages above 40V and disconnect power before connecting probes.
Avoid connecting probes to voltage sources when using Rx1K W or 150mA DC functions.
Discharge filter capacitors before attaching test probes for measurements.
Turn off power and disconnect test leads before replacing batteries.
Ensure the battery cover is in place and fully closed before operating the meter.
Use non-conductive materials for workbenches and floors when working with AC/DC sets.
Do not self-service; take to authorized service centers to maintain warranty.
Caution to be extra careful during high voltage measurements and avoid touching probe ends.
Details the available measurement ranges for voltage, current, and resistance.
Specifies the accuracy for DC, AC, and resistance measurements.
Provides sensitivity, operating conditions, and physical specifications for the multimeter.
Reminder to follow the operating instructions provided in the manual.
Warning against connecting the ground terminal to sources exceeding 500V with respect to earth ground.
Recommends using an alkaline AA battery, providing a specific catalog number.
Crucial warnings for safe battery removal and operation after replacement.
Step-by-step instructions for removing the meter's back cover and preparing for battery replacement.
Instructions for inserting a fresh battery with correct polarity and reassembling the meter.
Indicates battery replacement is needed if the resistance scale cannot be zeroed.
States that the meter is protected by a 315 mA fuse.
Critical warnings for safe fuse removal and operation after replacement.
Specifies the exact type and rating of the replacement fuse required for safety.
Detailed steps for replacing a blown fuse, including meter preparation and reassembly.
Advises using only supplied or compatible 1000V-rated test leads for safe operation.
Recommendation to set the function selector to OFF when the meter is not in use.
Warning against measuring voltages exceeding the meter's rating and to use care with high-voltage ranges.
Warning: Never connect the negative terminal probe to a voltage source over 500V to avoid shock hazard.
Specifies optimal temperature and humidity conditions for accurate readings.
Advice on meter placement and selecting the appropriate range for accurate readings.
Guidance on reading the scale to avoid parallax error using the mirror image.
Procedure for adjusting the pointer to zero on the ACV/DC.VMA scale.
Critical warning about measuring voltages exceeding 1000V, which can damage the meter and cause severe shock.
Technique for measuring high voltages using alligator clips to prevent accidental contact with hot wires.
Warning against measuring DC voltages exceeding 1000V, which can damage the meter and cause severe shock.
Step-by-step guide for measuring DC voltage, including range selection advice.
Warning against measuring AC voltages exceeding 1000V, which can damage the meter and cause severe shock.
Step-by-step guide for measuring AC voltage, including range selection advice.
Discourages use for 3-phase measurements due to inherent dangers, recommending against it.
Advises extreme care if performing 3-phase measurements as actual voltage may exceed rated line-to-ground voltage.
Explains how to calculate line-to-line voltage and warns when it exceeds meter range.
Strict warning not to measure AC voltage exceeding 30V on a DC source bias.
Method for measuring AC voltage on DC bias using a series capacitor for readings up to 30V AC.
Warning against connecting leads to unknown voltage sources when set to the 150 mA DC range.
Instruction to set the function selector to the 150 mA DC position for current measurement.
Procedure for measuring DC current by breaking the circuit and connecting probes correctly.
Critical warnings against connecting to voltage sources and ensuring circuit power is off and capacitors discharged.
Initial step: Disconnect power, unplug cord, and remove batteries from the circuit under test.
Procedure for zeroing the resistance scale and taking resistance measurements.
Notes on measuring component resistance in-circuit and transistor polarity identification using meter probes.
Advice to keep the meter dry and wipe immediately if wet to prevent corrosion.
Guidance on using and storing the meter in normal temperature environments to preserve its lifespan.
Instructions for gentle handling, avoiding dust/dirt, and cleaning with a damp cloth, avoiding harsh chemicals.
Emphasizes using fresh batteries and promptly removing old/weak ones to prevent damage from leaks.
Warning against modifying internal components and advising professional service for malfunctions.
To Next Page
