Test Products International 293 - Manual (Page 8)

9
3. 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, 10M Ω
400V 0.1V ±3 digits
600V 1V
b1. ACV (45Hz to 60Hz)
Range Resolution Accuracy Impedance
40V 0.01V ±1.0% of reading, 10M Ω
400V 0.1V ±3 digits
600V 1V
b2. ACV (20Hz to 45Hz, 60Hz to 1KHz)
Range Resolution Accuracy Impedance
40V 0.01V ±2.5% of reading, 10M Ω
400V 0.1V ±3 digits
600V 1V
UL 3111-1
8
2. Product Applications
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.
*Warning: Test Leads. Use only correct type and
overvoltage category rating.
!