293 TPI Autoranging Digital Clamp W/Test Leads Carrying Case Battery

TPI 293 clamp-on plus DMM with True RMS capabilities - TPI offers a full line of digital clamp-on meters for electrical, commercial, HVAC/R, industrial and process control applications. Digital Clamp-On Meter Amp Plus. The 293 is a clamp-on plus DMM with True RMS capabilities. The 293 offers measurements in all basic electrical functions plus:

True RMS: Provides accurate and dependable readings of non-linear loads.

Bar Graph: When measuring frequency, bar graph indicates current level.

TRIM Mode: Smoothes out unstable readings.

Peak Mode: For start-up and inrush currents.

Sleep Mode: Preserves battery life

Data Hold: Holds the reading on the display for easy viewing.

• True RMS 700 Amps AC
• Measure AC/DC volts, resistance, continuity and frequency
• Peak hold
• Data hold
• CAT III 600 V rated
• cULus 61010
• 3-year limited warranty

The 293 comes complete with the following accessories:

• Carrying Pouch
• Test Lead Set
• Instruction Manual
• Battery

Model 293 Applications

• Heat anticipator current in thermostats
• Line voltage
• Control circuit voltage
• Heating element resistance
• Compressor winding resistance
• Contactor and relay coil resistance
• Motor and compressor start up current
• Continuity of wiring
• Frequency on control and line voltage
• Record/Min/Max voltage of controls and line voltages
• Bar graph to indicate rapid fluctuations

Perform the following tests and/or measurements with the 293 and the appropriate function:

HVAC/R

• ACA - Heat anticipator current in thermostats
• ACV - Line voltage
• ACV or DCV - Control circuit voltage
• OHMS - Heating element resistance (continuity)
• OHMS - Compressor winding resistance
• OHMS - Contactor and relay coil resistance
• ACA - Motor and compressor start up current
• OHMS - Continuity of wiring
• Hz/FREQ - Frequency on control and line voltages
• REC - Record min/max voltage of controls and line voltages
• ALL - Bar graph to indicate rapid fluctuations

ELECTRICAL

• ACV - Measure line voltage
• ACA - Measure line current
• OHMS - Continuity of circuit breakers
• DCV - Voltage of direct drive DC motors
• ACA - Start up current of motors, relays, contactors and transformers

ELECTRONIC

• ACV - Measure power supply voltage
• ACA - Measure power supply current
• OHMS - Continuity of circuit breakers and fuses

SPECIFICATIONS

IEC 1010 Over Voltage:

• CAT II - 1000V
• CAT III - 600V
• Pollution Degree 2

a. DCV:

Range	Resolution	Accuracy	Impedance
40V	0.01V	±0.75% of reading, ±3 digits	10MΩ
400V	0.1V	±0.75% of reading, ±3 digits	10MΩ
600V	1V	±0.75% of reading, ±3 digits	10MΩ

b1. ACV (45Hz to 60Hz):

Range	Resolution	Accuracy	Impedance
40V	0.01V	±1.0% of reading, ±3 digits	10MΩ
400V	0.1V	±1.0% of reading, ±3 digits	10MΩ
600V	1V	±1.0% of reading, ±3 digits	10MΩ

b2. ACV (20Hz to 45Hz, 60Hz to 1KHz):

Range	Resolution	Accuracy	Impedance
40V	0.01V	±2.5% of reading, ±3 digits	10MΩ
400V	0.1V	±2.5% of reading, ±3 digits	10MΩ
600V	1V	±2.5% of reading, ±3 digits	10MΩ

c. ACA (45Hz to 60Hz):

Range	Resolution	Accuracy	Frequency Response
40A	0.01A	±2% of reading, ±20 digits	45Hz to 60Hz
		±4% of reading, ±20 digits	30Hz to 45Hz
		±4% of reading, ±20 digits	60Hz to 1KHz
400A	0.1A	±2% of reading, ±10 digits	45Hz to 60Hz
700A	1A	±5% of reading, ±10 digits	30Hz to 45Hz
		±5% of reading, ±10 digits	60Hz to 1KHz

e. OHM (Resistance):

Range	Resolution	Accuracy	Impedance
400Ω	0.1Ω	±1% of reading, ±10 digits	600V DC or AC Peak

f. Continuity Buzzer:

Test Voltage	Threshold	Over Load Protection
3V	< 50Ω (100 digits)	600 V DC or Peak AC

g. Diode Test:

Test Voltage	Max Test Current	Over Load Protection
3V	Approx. 2.5mA	600 V DC or Peak AC

* Warning: Test Leads: Use only correct type and overvoltage category rating.

h. Diode Test:

Range	Resolution	Accuracy	Overload Protection
1KHz	0.1Hz	±0.2% of reading, ±3 digits	600V DC or AC Peak
10KHz	0.001KHz	±0.2% of reading, ±3 digits	600V DC or AC Peak

General Specifications:

Max. Volt. between any Input and Ground	600V
Display Type	4,000 Count, 4 times per second update
Operating Temperature	-10° to 45°C (14° to 113°F)
Storage Temperature	-20° to 55°C (-4° to 131°F)
Relative Humidity	0% to 80% (0° - 35°C / 32° - 95°F)
	0% to 70% (35° - 50°C / 95° - 122°F)
Power Supply	9 Volt Battery
Battery Life	80 hours, Alkaline
Size (H x L x W)	40mm x 190mm x 65mm
	(1.5in x 7.25in x 2.5in)
Weight	315g (11.1oz)