ACD-40PQ & ACD-41PQ
1000A Power Quality Clamp-on with THD Measurement
CAT
600V
TRUE
R M S
z
• Automatic polarity
• Low battery indication
• Peak hold
(ADC-41PQ)
• Data hold
• Large, easy to read LCD display
with backlight
• Accommodates conductors up to
1.77” (45mm) in diameter
• Carrying case, test leads,
batteries (installed), thermocouple
and manual included
• Voltage overload protection for all
functions up to 600V AC/DC
• Safety CAT III 600V
The ACD-40’s provide a simple and effective way to verify if the electrical system
is affected by harmonics. Add on troubleshooting capabilities with the ACD-40PQ
data logging feature or get complete Power analysis with the ACD-41PQ. Increase
measuring efficiency with an optional PC interface kit.
• TRMS sensing
• Measurements:
-Total Harmonics Distortion THD, AC/DC
Voltage up to 600V, AC Current up to
1000A, Resistance, Frequency,
-Temperature
• ACD-41PQ also measures Active (W),
Reactive (VAR) and Apparent (VA) Power
with dual-display Power Factor readout
• AutoVA - Auto Selection of AC Volts, DC
Volts or AC Amps
(ACD-41PQ)
• Data-logging 5400 points
(ACD-40PQ)
• Optional PC interface capability
• Audible continuity
• Auto power off
ACD-41PQ
FEATURES
TRMS Measuremaent
AC Current
DC Voltage
AC Voltage
Resistance
Frequency
Active Power (W)
ACD-40PQ
Yes
40.0 / 400.0 / 1000 A
BASIC ACCURACY
Reactive Power (VAR)
Apparent Power (VA)
Power Factor
THD-R *
THD-F *
Temperature
Hi-Lo Logging
600.0V
600.0V
999.9 Ohms
5.00Hz to 500.0Hz
0 to 600.0 kW
*THD-R is defined as: (Total Harmonic RMS / Total RMS) x 100%
THD-F is defined as: (Total Harmonic RMS / Fundamental RMS) x 100%
0.0% to 99.9%
.
0.0% to 99.9%
-58 F to 572 F
(-50 C to 300 C)
5400 Points
0 to 600.0 kVAR
0 to 600.0 kVA
0.10 to 0.99
+/-(0.5% Rdg + 5 LSD)
+/-(0.5% Rdg + 5 LSD) @ 50 / 60 Hz
+/-(1.0% Rdg + 6 LSD)
+/-(0.5% Rdg +4 LSD)
+/-(2.0% Rdg + 6 LSD) @ Harmonics Fund to 10th & PF > 0.7
+/-(2.0% Rdg + 6 LSD) @ Harmonics Fund to 10th & PF > 0.7
+/-(2.0% Rdg + 6 LSD) @ Harmonics Fund to 10th
+/- 3 LSD @ Harmonics Fund to 21th
1.5% of Reading + 6d @ Fund Frequency
1.5% of Reading + 6d @ Fund Frequency
+/-(2.0% Rdg + 6F)
+/-(2.0 % Rdg + 3C)
+/-(1.0% Rdg + 5 LSD) @ 50 and 60Hz
www.AMPROBE.com
CAT
600V
TRUE
R M S
z
The ACD-40’s provide a simple and effective way to verify if
the electrical system is affected by harmonics. Add on
troubleshooting capabilities with the ACD-40PQ data
logging feature or get complete Power analysis with the
ACD-41PQ. Increase measuring efficiency with an optional
PC interface kit.
OPTIONAL ACCESSORIES
PC Interface kit (PC connection cable with software)
Line splitter (Energizer)
5000A Clamp-on Current Transformer (50 to 1)
3000A Clamp-on Current Transformer (50 to 1)
Dual input Thermocouple adapter with two ther-
mocouples -50°F to 600°F
Alligator Clips (For test leads)
REPLACEMENT PARTS
Test leads with set of alligator clips
(supplied with product)
(alligator clips are not supplied with product)
PART NUMBER
RS-232 KIT2
A47L
CT50-1
CT50-2
DKTA-620 and
two of TPK-56
VRC-320
PART NUMBER
MTL-90B
TPK-59
SV-U
www.AMPROBE.com
Thermocouple
Carrying case
Instruction Manual
GENERAL SPECIFICATIONS
Display:
Voltage functions: 6000 counts LCD
display(s)
Power, Ohm & Hz functions:
9999 counts LCD
display(s)
ACA clamp-on function:
4000 counts LCD display(s)
Update Rate:
Power function: 1 per second
nominal
(ACD-41PQ only)
Voltage, ACA clamp-on, Ohm, Hz &
Temperature functions:
4 per second nominal
ACD-40PQ Hz function: 2 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
(specified accuracy)/ ˚C @ (0oC -18oC 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
Transient protection:
6.5kV (1.2/50 s surge)
for all models
Pollution degree:
2
E.M.C.:
Meets EN61326(1997, 1998/A1),
EN61000-4-2(1995), and EN61000-4-3(1996)
In an RF field of 3V/m:
Total Accuracy = Specified Accuracy + 45 digits
Performance above 3V/m is not specified
Overload Protections:
ACA Clamp-on jaws:
AC 1000A RMS
continuous + & COM terminals (all functions):
600VDC/VAC RMS
Power
Supply:
standard 1.5V AAA Size (NEDA
24A or IEC LR03) battery X 2
Power Consumption:
Voltage, ACA, Hz & Power
functions: 10mA typical
(ACD-41PQ)
Voltage & ACA functions:
3.5mA typical
(ACD-40PQ )
Ohm & Temperature functions:
4mA typical
APO Timing:
Idle for 16 to 17 minutes
APO Consumption:
10 A typical
Dimension:
L224mm X W78mm X H40mm
Weight:
224 gm approx
Jaw opening & Conductor diameter:
45mm max
Special features
(ACD-41PQ)
:
Backlight display;
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;
PEAK-RMS HOLD;
Special features (ACD40PQ):
Backlight display;
THD%-R Total harmonic distortion-RMS); On
screen stand-alone Hi-Lo logging (5400 minutes)
at sampling speed of faster than: 20 per second
for Voltage & ACA functions 4 per second for
Ohm & Temperature functions 2 per second for
Hz function
ELECTRICAL SPECIFICATIONS
Accuracy is ±(% reading digits + number of dig-
its) or otherwise specified, at 23 ˚C ±5 ˚C
& less than 75% R.H. True RMS (all models)
ACV & ACA clamp-on accuracies are specified
from 0% to 100% of range or otherwise speci-
fied. 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.
www.AMPROBE.com
AC Voltage
RANGE
50Hz / 60Hz
600.0V
45Hz ~ 500Hz
600.0V
Accuracy
1.0% + 5d (ACD-40PQ)
0.5% + 5d (ACD-41PQ)
1.5% + 5d
Temperature
RANGE
-50˚C ~ 300˚C
Accuracy
1)
2.0% + 3˚C
CMRR:
>60dB @ DC to 60Hz, Rs=1k
Input Impedance:
2M , 30pF nominal
Crest Factor:
< 2.3 : 1 at full scale & < 4.6: 1 at half scale
ACV AutoVA
TM
Threshold:
30VAC (40Hz ~ 500Hz only)
nominal (ACD-41PQ)
500Hz ~ 3.1kHz 9
(ACD-16 TRMS only)
600.0V
2.5% + 5d
Frequency
Type-K thermocouple range & accuracy not included
-58˚F ~ 572˚F
2.0% + 6˚F
1)
Add 3
˚
C (or 6
˚
F) to specified accuracy @
-20
˚
C ~ -50
˚
C (or @ -4
˚
F ~ -58
˚
F)
Accuracy
0.5%+4d
RANGE Harminic
Accuracy
3)
Order
0.0% Fundamental 1.5% of Reading + 6d
~99.9%
2nd ~ 3rd
4th ~ 10th
5.0% of Reading + 6d
2.5% of Reading + 6d
3.0% of Reading + 6d
4.5% of Reading + 6d
THD%-F
1)
(ACD-41PQ only)
RANGE
5.00Hz ~ 500.0Hz
17th ~ 46th
47th ~ 51st
1)
DC Voltage
RANGE
600.0V
NMRR:
>50dB @ 50/60Hz
CMRR:
>120dB @ DC, 50/60Hz, Rs=1k
Input Impedance:
2M , 30pF nominal
DCV AutoVA
TM
Threshold:
2.4VDC nominal (ACD-41PQ)
ACA & ACV PEAK-rms HOLD (ACD-41PQ only)
Response:
65ms to 90%
Accuracy
0.5% + 5d
Sensitivity (Sine RMS)
40A range: > 4A
400A range: > 40A
1000A range: > 400A
600V range: > 30V
THD-F is defined as: (Total Harmonic RMS
/ Fundamental RMS) x 100%
2)
Range for Dual Display mode: 0% ~ 99%
3)
Specified accuracy @ ACA fundamental
> 5A ; ACV fundamental > 50V
Total Power Factor (PF)
RANGE
0.10 ~ 0.99
Accuracy
1)
THD%-R
1)
(ACD-40PQ only)
RANGE Harminic
Order
Accuracy
2)
Ohms
RANGE
999.9
Open Circuit Voltage:
0.4VDC typical
Audible Continuity Tester
Audible threshold:
between 10 and 300 .
Response time:
250 s
Accuracy
1.0% + 6d
0.0% Fundamental 1.5% of Reading + 6d
~99.9% 2nd ~ 3rd
5.0% of Reading + 6d
4th ~ 10th
2.5% of Reading + 6d
11th ~ 51st 2.0% of Reading + 6d
1)
THD-R is defined as: (Total Harmonic
RMS / Total RMS) x 100%
2)
Specified accuracy @ ACA fundamental
> 5A ; ACV fundamental > 50V
Power
RANGE
F ~ 21st 22nd ~ 51st
3d
5d
1)
Specified accuracy @ ACA fundamental
> 2A ; ACV fundamental > 50V
ACA Current (Clamp-on)
RANGE
50Hz / 60Hz
40.00A, 400.0A, 1000A 1.0% + 5d
45Hz ~500Hz
40.00A, 400.0A
1000A
2.0% + 5d
2.5% + 5d
2.5% + 5d
3.0% + 5d
Accuracy
1) 2)
0 ~ 600.0kVA
RANGE
@ PF = 0.99 ~ 0.1
0 ~ 600.0kW / kVAR
F ~ 10th
2.0%+6d
F ~ 10th
2.0%+6d
3.0%+6d
11th ~ 46th
3.5%+6d
11th ~ 25th
3.5%+6d
4.5%+6d
Accuracy
1) 2)
47th ~ 51st
5.5%+6d
47th ~ 51st
10%+6d
Accuracy
1) 3)
@ PF = 0.99 ~ 0.70
@ PF = 0.70 ~ 0.50
@ PF = 0.50 ~ 0.30
26th ~ 46th
4.5%+6d
500Hz ~ 3.1kHz
40.00A, 400.0A
1000A
ACA AutoVA
TM
Threshold:
1A AC (40Hz ~ 500Hz only)
nominal
Crest Factor:
< 2.5:1 at full scale & < 5.0:1 at half scale for 40.00A &
400.0A ranges
< 1.4:1 at full scale & < 2.8:1 at half scale for 1000A range
1)
Induced error from adjacent current-carrying conductor:
< 0.06A/A
2)
Specified accuracy is from 1% to 100% of range and for
measurements made at the jaw center. When the
conductor is not positioned at the jaw center, position
errors introduced are: Add 1% to specified accuracy for
measurements made WITHIN jaw marking lines away
from jaw opening) Add 4% to specified accuracy for
measurements made BEYOND jaw marking lines toward
jaws opening)
10%+6d
15%+6d
@ PF = 0.30 ~ 0.20
1)
Specified accuracy is for ACA clamp measurement at the center of jaws. When the
conductor is not positioned at the jaw center, position errors introduced are:
Add 1% to specified accuracy for ACA measurements made WITHIN jaw marking
lines (away from jaw opening)
Accuracy is not specified for ACA measurement made BEYOND jaw marking lines
(toward jaws opening)
2)
Add 1% to specified accuracy @ ACA fundamental < 5A or ACV fundamental < 90V.
Accuracy is not specified @ ACA fundamental < 1A or ACV fundamental < 30V
3)
Add 1% to specified accuracy @ ACA fundamental < 5A or ACV fundamental < 90V.
Accuracy is not specified @ ACA fundamental < 2A or ACV fundamental < 50V
A-lags
1)
Indication:
“A-lags” LCD annunciator turns on to indicate an inductive circuit, or Current A lags
Voltage V (i.e., phase-shift angle£c is “+”).
1)
A-lags Indication is specified at 50/60Hz fundamental without harmonics, and at ACV >
90V, ACA > 9A, & PF < 0.95
www.AMPROBE.com
ACD-40PQ & ACD-41PQ
1000A Power Quality Clamp-on with THD Measurement
Miramar, FL 33025 • Toll Free: 800-327-5060 • Phone: 954-499-5400 • Fax: 866-287-7222 • www.Amprobe.com
www.AMPROBE.com
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