TECHNICAL SPECIFICATIONS
New !! Model 1523, True RMS, Wattmeter,
with RS-232 Communication Interface & Special Auto-Scan function
2.1 Measuring Parameters : True RMS V, A, VA, W and Frequency.
2.2 Measuring Limits
a) Voltage : 75V to 130V (115V operation).
b) Current : 0.2 to 20A RMS AC (40A peak).
c) Volt Amperes : 1.8 to 2600VA.
d) Power : 1 to 2600W.
e) Power Factor : 0.5 to unity (No display).
f) Frequency : 45 to 65Hz.
2.3 Measurement Accuracy
a) Voltage / Current : 0.5% of reading ±1 digit.
b) Volt Amperes/Power: 1% of reading ±2 digits.
c) Power Factor : 2% of reading ±2 digits.
d) Frequency : 0.25% of reading ±1 digit.
Note : i) Accuracy valid only between above specified measurement limits.
ii) For VA, Power accuracies are valid only when voltage and current are between their
respective limits.
2.4 Measurement Resolution
a) Voltage : 0.1V.
b) Current : 1mA up to 1 Amp., 10 mA above 1Amp.
c) Volt Amperes : 1VA.
d) Power : 1 Watt.
e) Frequency : 0.01Hz.
2.5 Miscellaneous
a) Display : 16x2 Alphanumeric LCD display.
e) Interface : RS232.
2.6 Power : 75V to 130V (115V operation).
2.7 Instrument Power : 9W approx.
Consumption
2.8 Operating Temperature : 5°C to 50°C, 90% RH.
2.9 Dimensions (mm) : 7” (W) x 8.5 (H) x 6.3” (D) approx.
2.10 Weight : 6lbs approx.
