AMPROBE ACD-30P, ACD-31P Service Manual
ACD-30P & ACD-31P
1000A Clamp-on Power Meters
CAT
600V
These instruments combine the standard features of professional clamp-on
meters, with full Power analyzing capabilities! Measure: Active (W), Reactive
(VAR) and Apparent (VA) Powers along with dual display Power Factor readout.
Increase measuring efficiency with an optional PC interface kit.
• TRMS sensing
• Back light display (ACD-31P)
• AutoVA - Auto Selection of AC Volts,
DC Volts or AC Amps
• Measurements:
- AC/DC Voltage up to 600V, AC Current
up to 1000A, Resistance, Frequency
- Active (W), Reactive (VAR) & Apparent
(VA) Power with dual-display Power
Factor readout
-Temperature (ACD-31P)
• Optional PC interface capability
• Audible continuity
• Auto power off
TRUE
RMS
z
• Automatic polarity
• Low battery indication
• Peak hold
• Data hold
• Large, easy to read LCD display
• Accommodates conductors up to
1.77” (45mm) in diameter
• Carrying case, test leads,
batteries (installed), thermocouple
(ACD-31P), and manual included
• Voltage overload protection for all
functions up to 600V AC/DC
• Safety CAT III 600V
FEATURES ACD-30P ACD-31P BASIC ACCURACY
TRMS Measuremaent
AC Current
DC Voltage
AC Voltage
Resistance
Frequency
Active Power (W)
Reactive Power (VAR)
Apparent Power (VA)
Power Factor
Temperature
40.0 / 400.0 / 1000 A +/-(1.0% Rdg + 5 LSD) @ 50 and 60Hz
Yes
600.0V +/-(0.5% Rdg + 5 LSD)
600.0V +/-(0.5% Rdg + 5 LSD) @ 50 / 60 Hz
999.9 Ohms +/-(1.0% Rdg + 6 LSD)
5.00Hz to 500.0Hz +/-(0.5% Rdg +4 LSD)
0 to 600.0 kW +/-(2.0% Rdg + 6 LSD) @ Harmonics
Fund to 10th & PF > 0.7
0 to 600.0 kVAR +/-(2.0% Rdg + 6 LSD) @ Harmonics
Fund to 10th & PF > 0.7
0 to 600.0 kVA +/-(2.0% Rdg + 6 LSD) @ Harmonics
Fund to 10th
0.10 to 0.99 +/- 3 LSD @ Harmonics Fund to 21th
-58 F to 572 F
(-50 C to 300 C)
+/-(2.0% Rdg + 6F)
+/-(2.0 % Rdg + 3C)
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CAT
600V
TRUE
RMS
z
These instruments combine the standard features of
professional clamp-on meters, with full Power
analyzing capabilities! Measure: Active (W), Reactive
(VAR) and Apparent (VA) Powers along with dual display Power Factor readout. Increase measuring
efficiency with an optional PC interface kit.
OPTIONAL ACCESSORIES PART NUMBER
PC Interface kit (PC connection cable with software) RS-232 KIT2
Line splitter (Energizer) A47L
5000A Clamp-on Current Transformer (50 to 1) CT50-1
3000A Clamp-on Current Transformer (50 to 1) CT50-2
Dual input Thermocouple adapter with two thermocouples -50°F to 600°F
Alligator Clips (For test leads) VRC-320
DKTA-620 and
two of TPK-56
Update Rate:
Power function: 1 per second nominal
ACA clamp-on, Ohm, Hz & Temperature
oltage,
V
functions: 4 per second nominal
Polarity: Automatic
Low Battery: Below approx. 2.4V
Operating Temperature: 0˚C to 40˚C
Relative Humidity: Maximum relative humidity
80% for temperature up to 31˚C decreasing
linearly to 50% relative humidity at 40˚C
Altitude: Operating below 2000m
Storage Temperature: -20˚C to 60˚C, < 80%
R.H. (with battery removed)
Temperature Coefficient: nominal 0.15 x (spec
ified accuracy)/ ˚C @(0˚C -18˚C or
28˚C -40˚C), or otherwise specified
Sensing: True RMS sensing for all models
Safety: Meets IEC61010-2-032 (1994),
EN61010-2-032(1995), UL3111-2-032(1999).
Measurement Category: III 600 Volts ac & dc
REPLACEMENT PARTS
(supplied with product)
Test leads with set of alligator clips
(alligator clips are not supplied with product)
Thermocouple TPK-59
Carrying case SV-U
Instruction Manual
Transient protection: 6.5kV (1.2/50µs surge)
for all models
Pollution degree: 2
E.M.C.: Meets EN61326(1997, 1998/A1),
EN61000-4-2(1995), and EN61000-4-3(1996)
an RF field of 3V/m:
otal Accuracy = Specified Accuracy + 45 digits
T
erformance above 3V/m is not specified
Overload Protections: ACA
rms continuous + & COM terminals (all
1000A
functions): 600VDC/V
Power Supply : standard 1.5V
or IEC LR03) battery X 2
24A
-
Power Consumption: V
Power functions: 10mA
HM & Temperature functions: 4mA typical
APO Timing: Idle for 17 minutes
APO Consumption: 10µA typical
Dimension: L224mm X W78mm X H40mm
Weight: 224 gm approx
Clamp-on jaws: AC
AC RMS
AAA Size (NEDA
oltage, ACA, Hz &
typical
PART NUMBER
MTL-90B
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www
Jaw opening & Conductor diameter: 45mm max
Special features: Backlight display (model ACD-
31P & ACD-41PQ only); AutoVATM
(Auto Selection on ACV, DCV or ACA functions);
Power measurement of selectable W,
VAR & VA with dual-display Total Power Factor
features; Total harmonic distortion THD%-F
(model ACD-41PQ only); PEAK-rms HOLD
ELECTRICAL SPECIFICATIONS
Accuracy is ±(% reading digits + number of digits) or otherwise specified, at 23 oC ±5 oC
less than 75% R.H. & True RMS (all models)
ACV & ACA clamp-on accuracies are specified
from 0% to 100% of range or otherwise specified. Maximum Crest Factor is as specified
below, and with frequency spectrums, besides
fundamentals, fall within the meter specified AC
bandwidth for non-sinusoidal waveforms.
Fundamentals are specified at 50Hz and 60Hz.
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