Gossen MetraWatt MetraHit 28s Manual

Gossen MetraWatt MetraHit 28s Manual

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METRA
28S and 29S
Precision Digital Multimeter, Power Meter
â
METRAHit
28S and 29S
300,000 digits and triple display
Precision multimeter (V, dB, A, Ω, F, Hz, F, °C/°F)
Current measurement with (clip-on) current transformer:
a transformation ratio of 1000:1 or 10000:1
is utilized for display purposes
Integrated quartz movement
for recording of MIN/MAX values relative to real-time
AUTO SELECT
automatic measured quantity recognition (V, Ω and F)
â
METRAHit
29S
Power and energy measurements (W, VAr, VA, Wh, PF)
with analog signals or energy measurement with pulses,
current measurement value, mean values and peak
power values are displayed
Power disturbances recording
Large, 128 kB measurement value memory
Applications
â
METRAHit
28S and 29S multimeters are high performance pre-
cision instruments for the lab, service and training.
With a display range of 300,000 digits as well high level accuracy
and long-term stability, they fulfill all calibration and R&D labora-
tory demands. Battery operation allows for on-site precision ser-
vicing and calibration.
Features
Convenient Triple Display
The current measurement value, as well as two other values, are
updated and displayed, e.g. minimum and maximum value. The
usual switching back and forth between display values is no
longer necessary. Display resolution for the main display value can
be varied from 4¾ places for AC to 5¾ places for DC
â
(METRAHit
29S: from 2¾ to 5¾ places). The measurement rate,
adjustable from 1 ms to 0.5 s, allows for high-speed recorder,
precision data logger and mean value recorder functions with the
â
help of METRAwin
10/METRAHit
High Resolution and Precision
5¾ places, or 309,999 digits, allow for cost effective calibration of
tested devices and components, as well as precise reference
measurements.
GOSSEN-METRAWATT GMBH
â
(optional PC software).
QUALITY MANAGEMENT SYSTEM
DQS Certified per
DIN EN ISO 9001 Reg. No.1262
-Calibration Certificate
Effective Value for Distorted Waveforms
The implemented measurement process provides for effective
value measurement (TRMS) independent of the waveform up to
100 kHz.
Additional Functions
Continuity testing with acoustic signal, event counting (number of
events and event durations), counts zero crossings, stopwatch,
data comparison and wide-range capacitance measurement. The
integrated temperature measurement function allows for the con-
nection of thermocouples and platinum resistance thermometers.
Overload Protection
The instrument is protected from overload in the voltage range.
Acoustic signalling occurs if measuring range limits are exceeded.
The FUSE display indicates a defective fuse in the current range.
Calibration
â
METRAHit
28S and 29S multimeters are shipped with a
DKD calibration certificate. They can be automatically calibrated
with the CS92E calibration system via the RS232 data interface.
Infrared Measurement Data Transmission *
These devices include a serial, duplex data interface for remote
control and measurement value transmission via infrared light.
3-348-866-03
5/8.00

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Summary of Contents for Gossen MetraWatt MetraHit 28s

  • Page 1 METRA 28S and 29S 3-348-866-03 Precision Digital Multimeter, Power Meter 5/8.00 â QUALITY MANAGEMENT SYSTEM METRAHit 28S and 29S • 300,000 digits and triple display Precision multimeter (V, dB, A, Ω, F, Hz, F, °C/°F) • • Current measurement with (clip-on) current transformer: DQS Certified per DIN EN ISO 9001 Reg.
  • Page 2: Applicable Regulations And Standards

    METRA 28S and 29S Precision Digital Multimeter, Power Meter Automatic Blocking System (ABS) * Memory Mode Automatic blocking of connector sockets prevents incorrect con- The instrument is equipped with a 128 kB measurement value nection of measurement cables, and selection of incorrect mea- memory which is synchronized with a quartz movement, and suring quantities.
  • Page 3 METRA 28S and 29S Precision Digital Multimeter, Power Meter â METRAHit 28S and 29S Characteristic Values Inherent Deviation at highest resolution under reference conditions Resolution at Overload Capacity Input Impedance Meas. Meas. ± (...% of rdg. + ... % ± (...% of rdg. . + ... D) Measuring Range Upper Limit Measuring Range Function...
  • Page 4: Influence Variables And Errors

    METRA 28S and 29S Precision Digital Multimeter, Power Meter â System Monitoring with METRAHit dB Ranges Measuring Display Range at Resolution Ranges Reference Voltage Interference Meas. Range Resolution Inherent Deviation Pulse = 0,775 V Type at Highest Resolution under Duration Reference Conditions 0.01 dB 300mV...
  • Page 5: Response Time

    METRA 28S and 29S Precision Digital Multimeter, Power Meter Response Time Influence Sphere Meas. Quantity / Influence Error Variable of Influence Meas. Range Response Time (after manual range selection) ± 1 % of rdg. 1 ... 3 Crest Meas. Quantity/ Digital Display Meas.
  • Page 6 METRA 28S and 29S Precision Digital Multimeter, Power Meter Display Display Refresh V (DC, AC+DC), A, Ω, LCD display field (65 mm x 30 mm) with display of max. 3 mea- , EVENTS AC+DC, surement values, unit of measure, current type and various spe- Count 2 per second cial functions.
  • Page 7 METRA 28S and 29S Precision Digital Multimeter, Power Meter Accessories Ever-Ready Case F836 for multimeters (without protective rubber cover) and accessories Carrying Case F829 for multimeters (with or without protective rubber cover GH18) or accessories â METRAHit BD232 Interface Adapter â...
  • Page 8: Order Information

    METRA 28S and 29S Precision Digital Multimeter, Power Meter Order Information Designation Type ID Number Designation Type ID Number Clip-on current/voltage transformer, active, with battery (service life 30 hr.) Precision digital multimeter Measuring ranges AC 20 A including KS17 cable set, battery, â...

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Metrahit 29s

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