
1000 A AC True RMS Power
Clamp-On Meter
HHM98P
$
149
⻬ Measurement of Active
Power (kW), Reactive
Power (kVAR), Apparent
Power (kVA), Power
Factor (PF)
⻬ Harmonic Measurement:
Up to 25 PF for 3 Ø 4 W,
3 Ø 3 W, 1 Ø 2 W, 1 Ø 3 W
⻬ Easy-to-Read Triple
Display: kW, V, A
⻬ Measurements Recorded
for Each Wire: V, A, kW,
kVA, kVAR, PF, Hz, Total
24 Parameters
⻬ AC Current Up to 1000 A,
AC Voltage Up to 600 V
⻬ Inrush (100 ms), Hold,
and Peak Functions
⻬ Max/Min/Avg Functions
⻬ Balanced Load Function
⻬ Dimensions of
Conductor: 46.5 Ø mm
⻬ Auto Power-Off after
10 Minutes of Non-Use
The HHM98P multifunction clamp-on
meter provides high accuracy and
reliability in a low-cost, portable
package. The built-in AC clamp
makes this meter ideal for
troubleshooting electric resistance
heaters and other plant electrical
systems. In addition, the HHM98P
effectively measures current from
3 to 1000 A.
Test leads
included.
HHM98P, $149, shown
smaller than actual size.
Q-29

Specifications
Display: 4-digit LCD with a maximum
reading of 9999
Overrange:
(OL) or (-OL) is displayed
Low-Battery Indicator:
The “ ” is displayed
Measurement Rate: 1/s, nominal
Operating Temperature:
0 to 40°C (32 to 104°F) @ <70% RH
Storage Temperature: -20 to 60°C
(-4 to 140°F) 0 to 80% RH with battery
removed from meter
Accuracy: 23 ±5°C @ 75% RH
Temperature Coefficient:
10% of applicable accuracy per °C
(5% per °F) outside the range of
18 to 28°C (65 to 82°F)
Altitude: Up to 2000 m
Dimensions of Conductor: 46.5 Ø mm
Power: Standard 9 V battery (included),
NEDA 1604, JIS 006P, IEC 6F22
Battery Life:
50 hr typical with carbon-zinc
Dimensions:
250 H x 100 W x 46 mm D
(9.8 x 3.9 x 1.8")
Weight:
Approx 375 g (0.8 lb) with battery
AC Current (True RMS)
Range: 0 to 1000 A
Resolution: 0.1/1 A
Accuracy:
±(1.5% rdg + 10 digits) on 50 to 60 Hz;
±(6% rdg + 10 digits) on 45 to 400 Hz
AC Volatge (True RMS)
Range: 0 to 600 V
Resolution: 0.1 V
Accuracy:
±(1% rdg + 5 digits) on 20 to 100 Hz;
±(6% rdg + 5 digits) on 100 to 400 Hz
Input Impedance: 1 MΩ
Power Measurement Accuracy:
Single-phase or balance 3 phase
load with sine wave input;
power factor = 1, 50/60 Hz
Effective Measurement Range:
Current: 3 to 1000 A
Voltage: 80 to 600 V
Active Power (kW):
Range: 0 to 600 kW
Resolution: 0.01/0.1 kW
Accuracy: ±(3.0% rdg + 10 digits)
reactive power, apparent power
and power factor values obtained
by calculation from active power,
current and voltage measurements
Measurement Accuracy:
±2 digits with respect to
calculation from each
measured value
Apparent Power (kVA):
Range: 0 to 60 kVA
Resolution: 0.01/0.1 kVA
Reactive Power (kVAR):
Range: 0 to 60 kVAR
Resolution: 0.01/0.1 kVAR
Power Factor (PF):
Range: 0 to 1
Resolution: 0.001
Frequency:
Range: 20 to 400 Hz
Resolution: 0.1 Hz
Accuracy: ±(0.5% rdg + 5 digits)
Sensitivity:
Voltage: 5 Vrms
Current: 5 Arms on 20 to 100 Hz;
10 Arms on 100 to 400 Hz
Harmonic Measurement
(Effective in the Voltage
and Current):
Measurement Items: Level of
each order, percentage of each
order and total harmonic distortion
(THD-F and THD-R)
Measurement Range:
Fundamental frequency, 45 to 65 Hz
Window Width: 1 cycle
(45 to 65 Hz)
Date Points: 128 points
Window Type: Rectangular
Orders Analyzed: Up to 25th
Order Accuracy:
1 ±(3.0% rdg + 10 digits)
2 to 6 ±(3.5% rdg + 10 digits)
7 to 8 ±(4.5% rdg + 10 digits)
9 to 10 ±(5.0% rdg + 10 digits)
11 to 15 ±(7.0% rdg + 10 digits)
16 to 20 ±(10% rdg + 10 digits)
21 to 25 not specified
Harmonic Percentage: ±2 digits
with respect to calculation from each
measured value
Total Harmonic Distortion Ratio:
±2 digits with respect to calculation
from each measured value
Recommended Reference Book:
Power Generation and Control
PE-1012, $100
See Section Y
For Additional Books
,
AVAILABLE FOR FAST DELIVERY!
To Order (Specify Model Number)
Model No. Price Description
HHM98P $149 Clamp-on power meter
Comes complete with a pair of test leads, 9V battery and operator’s manual.
Ordering Example: HHM98P, clamp-on power meter, $149.
HHM98P, $149.
Q
Q-30

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