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Summary of Contents for Gossen MetraWatt METRAHIT PM PRIME
- Page 1 Operating Instructions METRAHITPM PRIME & METRAHITPM PRIME BT 3-349-684-03 Professional Multimeters / High Resolution TRMS Digital Multimeters 17/7.23...
- Page 2 Scope of Delivery Scope of Delivery Function METRAHIT PM PRIME (M248A) METRAHIT PM PRIME BT (M248B) 1 Multimeter Capacitance measurement, F 1 KS17-2 measurement cable set 300 mA/3 mA 2 Batteries 1.5 V, type AA Current, A 30 mA/300 mA...
- Page 3 Contact, Support and Service The accessories available for your instrument are checked for Gossen Metrawatt GmbH can be reached directly and simply – we have a single number for everything! Whether you require sup- compliance with currently valid safety regulations at regular inter- port or training, or have an individual inquiry, we can answer all of vals, and are amended as required for new applications.
- Page 4 Beuthener Str. 41 90471 Nürnberg service@gossenmetrawatt.com Germany www.gmci-service.com Software Enabling for METRAwin10 Please contact us directly (see page 3). DAkkS calibration laboratory per DIN EN ISO/IEC 17025 – accredited by the Deutsche Akkreditierungsstelle GmbH under reference number D-K-15080-01-01. Gossen Metrawatt GmbH...
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Page 5: Table Of Contents
Display (LCD) ................. 21 7.7.5 Alternating Current Measurement with Current Clamp Transformer, Measured Value Storage: DATA (auto-hold / compare) ..... 22 A AC and Hz .................. 45 6.4.1 Saving Minimum and Maximum Values – Min/Max Function ..... 23 Gossen Metrawatt GmbH... - Page 6 Configuring Interface Parameters ............55 Technical Data ..............57 Maintenance and Calibration ........... 64 11.1 Displays – Error Messages .............64 11.2 Batteries ..................64 11.3 Fuse ....................65 11.4 Cleaning ..................66 11.5 Recalibration ..................66 Repair ................67 Disposal and Environmental Protection ......68 Gossen Metrawatt GmbH...
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Page 7: Safety Instructions
If you use other accessories, Gossen Metrawatt assumes no li- Touch hazards in accordance with the standard exist any- ability for property damage, personal injury or consequential where, where voltages of greater than 33 V (RMS) or 70 V DC damage. - Page 8 If the measuring categories specified for the measuring instru- temperature or capacitance) causes “HiVoLt” to appear at the ment and the measurement cables differ from each other, the display and the respective measurement is disabled. lower category applies. Gossen Metrawatt GmbH...
- Page 9 • Never bridge the fuses. Never put the fuses out of operation. • Use the instrument only with the fuse compartment cover in- serted and properly closed. Touch contact with dangerous voltage is otherwise possible. Gossen Metrawatt GmbH...
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Page 10: Application
They can be in such cases. used to perform the measurements described in these operating Nor does Gossen Metrawatt GmbH assume any liability for data instructions. loss. Performance characteristics of the individual models: See „Scope of Delivery“... -
Page 11: Documentation
3.2 Meanings of Acoustic Warning Signals High-voltage warning: > 600 V (intermittent acoustic signal) Heavy current warning: > 10 A (intermittent acoustic signal) Heavy current warning: > 16 A (continuous acoustic signal) Gossen Metrawatt GmbH... -
Page 12: Operating Overview - Connections, Keys, Rotary Switch, Symbols
Exit current menu level and return to a section 6.1 higher level, exit parameters configuration without saving data Decrease measuring range or move decimal to left (MAN function) Max. 600 V! 15 Power pack connector jack 16 Infrared interface Gossen Metrawatt GmbH... - Page 13 Stopwatch active or time since beginning of measurement Data transmissionto / from multimeter active 27 ON: no function here 28 sec (seconds): unit of time IR interface in standby mode 29 Upm : no function here (ready to receive starting commands) Gossen Metrawatt GmbH...
- Page 14 Current frequency / pulsating current amperage, TRMS, with AC DC current clamp sensor, see above 0/2 A~ AC TRMS Alternating current amperage, TRMS, with Current clamp sensor, see above Hz ( Hz ~ AC ~ AC Current frequency Gossen Metrawatt GmbH...
- Page 15 See also “Recalibration” on page 66. consumers, distributor terminals, devices connected permanently to the distributor IV: Measurements at power sources for low-voltage installations: Meters, mains terminals, primary over- voltage protection devices Continuous, doubled or reinforced insulation Indicates European Conformity Gossen Metrawatt GmbH...
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Page 16: Initial Start-Up
Disconnect the device from the measuring circuit. Switch the instrument off and back on again in order to reset. If the problem persists, briefly dislodge the battery from the con- nector contacts (see also section 11.2). Gossen Metrawatt GmbH... -
Page 17: Setting The Operating Parameters
(see “APoFF” parameter on page 49). Shut- down is acknowledged with a brief acoustic signal. Automatic shutdown is disabled in the following operating modes: continuous operation and whenever dangerous contact voltage has been detected (excep- tion: memory mode). Gossen Metrawatt GmbH... - Page 18 Initial Start-Up – Setup / OFF LIGHT 8.8.8.8.8 Auto-Range ON / OFF LIGHT 000.00 Illumination ON ON / OFF LIGHT 000.00 Illumination OFF ON / LIGHT long (1 s) Gossen Metrawatt GmbH...
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Page 19: Control Functions
The measuring function is not switched until dangerous touch voltage is no longer applied to the input. If the instrument switches itself off in the event that hazardous touch voltage is applied (during memory mode operation with large Gossen Metrawatt GmbH... -
Page 20: Manual Measuring Range Selection
Zero balancing and reference value adjustment can be used for are executed more quickly than those which utilize automatic auto-ranging, as well as for manual measuring range selection. range selection. Quick measurement is made possible with the following two functions: Gossen Metrawatt GmbH... -
Page 21: Display (Lcd)
The instrument acknowledges storage of the reference value with an acoustic signal, and the “ZERO REL” or the “REL” symbol appears at the LCD. The value measured at the mo- ment the key is pressed serves as a reference value. Gossen Metrawatt GmbH... -
Page 22: Measured Value Storage: Data (Auto-Hold / Compare)
Two acoustic signals are generated the first time a measured value is saved as a reference value. For subsequent data hold, two acoustic signals are only generated if the currently frozen value deviates from the first saved value by less than 100 digits. Key: MV = measured value, MR = measuring range Gossen Metrawatt GmbH... -
Page 23: Saving Minimum And Maximum Values - Min/Max Function
DATA/MIN/MAX key (approx. 1 second), when the measuring func- tion is changed or when the instrument is switched off and back on again. Note As opposed to the DATA function, the Min-Max function can also be used for temperature measurement. Gossen Metrawatt GmbH... -
Page 24: Measurement Data Recording
➭ First select the desired measuring function and an appropriate ➭ Press the MEASURE | SETUP key in order to return to the measur- measuring range. ing function. ➭ Check the battery charge level before starting long-term mea- Gossen Metrawatt GmbH... - Page 25 (appears briefly) store Note As soon as the internal memory is full, the recording ends automatically. Before recording, check the memory occupancy and set the parameters (especially the sampling rate) accordingly (see page 24). Gossen Metrawatt GmbH...
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Page 26: Storage Of Individual Values Using The Sample Or Data Sampling Rate
If dAtA is selected as the StorE > rAtE sampling rate, and if mem- ory mode operation is then started, measured values ascertained with activated DATA function are automatically saved to perma- nent memory with time stamp. Gossen Metrawatt GmbH... -
Page 27: Measurements
33 V (RMS) may occur. The test Function METRAstHIT PM PRIME probes may only be gripped up to the finger guard. Do not METRAHIT PM PRIME BT touch the metallic test probes under any circumstances. V AC / Hz TRMS, dB (Ri 5 M) ... -
Page 28: Direct And Pulsating Voltage Measurement, V Dc And V (Dc+Ac)
3 V measuring range immediately after it is switched on. As soon as the MAN / AUTO key is pressed, and assuming the mea- > 600 V: sured value is less than 300 mV, the multimeter is switched to the mV measuring range. Gossen Metrawatt GmbH... - Page 29 The active low-pass filter is indicated by the FILTER display. The multimeter is automatically switched to manual measuring range selection. FUNC Specified measuring accuracy is not reached with signals of ENTER greater than 100 Hz when the filter is active. Gossen Metrawatt GmbH...
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Page 30: Alternating Voltage And Frequency Measurement V Ac And Hz
A 1 kHz low-pass filter can be activate if required, in order to filter out high frequency pulses of greater than 1 kHz, for example when performing measurements at pulsed motor drives, i.e. un- desired voltages of greater than 1 kHz can be suppressed. Gossen Metrawatt GmbH... - Page 31 The input signal or measuring signal is checked by a voltage com- parator for dangerous spikes, because these do not appear at the display when the low-pass filter is used. FUNC Where U > 45 V, a danger symbol appears at the display. ENTER Gossen Metrawatt GmbH...
- Page 32 The default value for the reference level is 0 dB = 0.775 V (1 mW to 600 ). This value is a fixed setting and is displayed at the left- hand auxiliary display (R:00.775 v). Gossen Metrawatt GmbH...
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Page 33: Frequency And Duty Cycle Measurement
Pulse duration (t 100 Duty cycle (%) = Pulse period (t Temp Note The applied frequency must remain constant during duty cycle measurement. Max. 5 V Gossen Metrawatt GmbH... -
Page 34: Resistance Measurement
: “0 L” appears at the display in the case of an open connection. Improving Accuracy by means of Zero Balancing Cable resistance and contact resistance can be eliminated in all measuring ranges by means of zero balancing (see section 6.2). Gossen Metrawatt GmbH... -
Page 35: Continuity Test With Constant Current Of 1 Ma
ENTER SETUP FUNC FUNC bEEP set:1, 10, 20 ... 300 Open circuit voltage: < 4.5 V ENTER ENTER in 10 Ohm steps R < 1, 10, 20 ... 300 (10 = default setting) Gossen Metrawatt GmbH... -
Page 36: Diode Testing With Constant Current Of 1 Ma
Note Resistors and semiconductor paths connected in parallel to 0.654 the diode distort measurement results! Attention! Observe high open-circuit voltage of 6 V during diode test- ing: Circuits must be laid out accordingly. Forward Direction Reverse Direction Gossen Metrawatt GmbH... -
Page 37: Temperature Measurement
This may deviate somewhat from room temperature as a result of internal heat-up, or moving from warmer to colder surroundings or vice versa. Gossen Metrawatt GmbH... -
Page 38: Measurement With Resistance Sensors
Select the digit to be changes with the the respectively selected digit with the keys. The default FUNC value is 0.16 (Z3409). Values can be selected within a range ENTER of 0 to 50 . Entering Cable Resistance Gossen Metrawatt GmbH... -
Page 39: Capacitance Measurement
0 V ! Resistors and semiconductor paths connected in parallel to the capacitor distort measurement results! Note Use of the power pack may result in significant deviations during capacitance measurements! Measuring Ranges: 3 nF ... 3 mF Gossen Metrawatt GmbH... -
Page 40: Current Measurement
• If a fuse should blow, eliminate the cause of overload before Hz (A AC) / A AC+DC placing the instrument back into service! A AC / Hz (A AC) • Fuse replacement is described in section 11.3. Hz (A AC) / A AC Gossen Metrawatt GmbH... -
Page 41: Direct And Pulsating Current Measurement, Direct Connection, Adc And A (Dc+Ac)
➭ Remove the test probes from the measuring point and return the measuring circuit to its normal condition. ➭ Direct frequency measurement, A (DC + AC) (see follow- I > 10 A TRMS ing section). I > 16 A Current Gossen Metrawatt GmbH... -
Page 42: Alternating Current And Frequency Measurement
➭ Remove the test probes from the measuring point and return mA A the measuring circuit to its normal condition. I > 10 A I > 16 A Current Gossen Metrawatt GmbH... -
Page 43: Direct And Pulsating Current Measurement With Current Clamp Sensor, A Dc And A (Dc+Ac)
The maximum allowable operating voltage is equal to the nominal voltage of the current transformer. When reading the measured Current value, additional error resulting from the current clamp sensor must also be taken into consideration (default setting: 1:1000). Gossen Metrawatt GmbH... -
Page 44: Alternating Current Measurement With Current Clamp Sensor
The maximum allowable operating voltage is equal to the nominal voltage of the current transformer. When reading the measured value, additional error resulting from the current clamp sensor must Current also be taken into consideration (default setting: 1:1000). Gossen Metrawatt GmbH... -
Page 45: Alternating Current Measurement With Current Clamp Transformer
3.0000 A 30.000 A 300.00 A 1mA/100mA (internal temperature at jacks) 50 m, 0,65 , 5,5 1:1000 in the 3 A range 30.000 A 300.00 A 3000.0 A 1 mA/1 A (default setting: Cl ip 0FF) Current Gossen Metrawatt GmbH... -
Page 46: Device And Measuring Parameters
ZERO | ESC key once again, to the main menu etc. ➭ You can switch to the measuring mode from any menu level by pressing the MEASURE | SETUP key. Gossen Metrawatt GmbH... -
Page 47: Paths To The Various Parameters
CLEAr 24: Measurement Data Recording CLiP 43: Direct and Pulsating Current Measurement with Current Clamp Sen- sor, A DC and A (DC+AC) Com bt 55: Interface Selection for METRAHIT PM PRIME BT (M248B) FUNC FUNC FUNC FUNC CoM ir 55: Interface Selection for METRAHIT PM PRIME BT (M248B) -
Page 48: Querying Parameters - Info Menu
Date and time must be reentered after replacing the batteries. tiME – Query Time MEASURE FUNC bAtt ... 13:46:56 (hh:mm:ss) 1nFo SETUP ENTER h = hours, m = minutes, s = seconds Date and time must be reentered after replacing the batteries. Gossen Metrawatt GmbH... -
Page 49: Entering Parameters - Setup Menu
See section 9.3 on page 55. The auto power off function (APoFF parameter) is deactivated when dangerous touch voltage is applied. irStb – Status of the Infrared Receiver in the Stand-By Mode See section 9.3 on page 55 regarding settings. Gossen Metrawatt GmbH... - Page 50 1nFo ... rAtE nofil SETUP ENTER ENTER FUNC on / 0ff ENTER standard value*/default setting) (OFF = * All specifications refer to the default update rate with measuring param- eter noFiL = OFF (default). Gossen Metrawatt GmbH...
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Page 51: Store Menu - Parameter For Memory Mode Operation
(see APoFF parameter on page 49), the instrument is switched off hyst set: 00000 ... 10000 ENTER ENTER automatically after auto power off time has elapsed, and back on again roughly 10 seconds before the next measuring point. Gossen Metrawatt GmbH... - Page 52 After completion of the recording time t.StorE, the end of the stor- example, corresponds to 300,000 (–300,000 to +300,000). In age process is signalled by 2 short acoustic signals (as from firm- measuring functions with a small measuring range span (e.g. ware version V1.14). Gossen Metrawatt GmbH...
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Page 53: Default Settings
➭ Disconnect the device from the measuring circuit. ➭ Remove the batteries temporarily (see also section 11.2). ON / OFF ZERO ➭ Simultaneously press and hold the LIGHT keys and reinsert the batteries at the same time, which is acknowledged with two acoustic signals. Gossen Metrawatt GmbH... -
Page 54: Interface Operation
StArt SETUP ENTER ENTER As an alternative to the IR interface, model METRAHIT PM PRIME send BT (M248B) features wireless connection to a PC via Bluetooth. METRAwin 10 software or a terminal program can be used with IR interface: IR and an arrow pointing to the right blink during trans- the Bluetooth interface analogous to the IR interface. -
Page 55: Configuring Interface Parameters
ENTER There are two possible switching statuses for the infrared inter- face when the multimeter is switched off (refers to Switching from Bluetooth to IR: METRAHIT PM PRIME (M248A) / for METRAHIT PM PRIME BT MEASURE FUNC t iME 1nFo ... - Page 56 Address number 1 should be selected for the first instrument, 2 should be assigned to the second and so forth. MEASURE FUNC t iME 1nFo Addr SETUP ENTER FUNC FUNC 00 ... 01 ... 15 ENTER ENTER (15 = default setting) Gossen Metrawatt GmbH...
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Page 57: Technical Data
Approx. 200 nA + 0.2 + 5 — 0.1 < 4.5 Approx. 1 mA const. + 5 with ZERO 600 V Max. 10 sec. 4,5 V — < 6 Approx. 1 mA const. 600 V Max. 10 sec. Gossen Metrawatt GmbH... - Page 58 × voltage max. 3 × 10 V × Hz for U > 100 V Overload capacity of the current measurement input: see current measuring ranges for max. current values Key: d = digit(s), MR = measuring range, rdg. = reading (measured value) Gossen Metrawatt GmbH...
- Page 59 Sphere of Measured Quantity Influence Error Quantity Influence Relative V A, , F, Hz, dB, C 3 days 1 × intrinsic error Humidity instrument off Battery voltage Range: 2.0 … 3.6 V ditto Included in intrinsic error Gossen Metrawatt GmbH...
- Page 60 3 nF … 300 F Max. 3 s 300 … 3 M 30 M From to 50% Continuity < 50 ms of upper range limit value C (Pt100) Max. 3 s 1.5 s Gossen Metrawatt GmbH...
- Page 61 The METRAHIT PM PRIME BT Bluetooth multimeter variant Memory capacity 16 MBit (2 MByte) for approx. 300,000 measured values with time stamp (M248B) is identical to the METRAHIT PM PRIME (M248A), except that it is also equipped with a Bluetooth interface. Bluetooth version 2.1 + EDR,...
- Page 62 Refresh Rate 2 times per second, every 500 ms (Standard*: noFiL=OFF) 5 ×/s (Parameter noFiL=on) * All specifications refer to the default update rate with measuring param- eter noFiL = OFF (default). Gossen Metrawatt GmbH...
- Page 63 * Exception: current > 10 A to 16 A, operation at up to 40 °C Mechanical Design Housing Impact resistant plastic (ABS) Dimensions 200 × 87 × 45 mm (without rubber holster) Weight Approx. 0.4 kg with batteries Gossen Metrawatt GmbH...
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Page 64: Maintenance And Calibration
„Disposal and Environmental If the “ ” symbol appears at the display, the batteries should Protection“ on page 68. be replaced as soon as possible. You can continue working with the instrument, but reduced measuring accuracy may result. Gossen Metrawatt GmbH... -
Page 65: Fuse
➭ Set the instrument face down onto the working surface. ➭ Turn the slotted screw on the cover with the fuse symbol coun- terclockwise. Gossen Metrawatt GmbH... -
Page 66: Cleaning
Drift is thus negligible for a duration of 1 year and vents. longer storage periods are highly unusual. Consequently, the instrument's characteristic values lie within the specifications and the first calibration interval can be determined as of the date of receipt. Gossen Metrawatt GmbH... -
Page 67: Repair
If repair of a live, open instrument is required, it may only be carried out by trained personnel who are fa- miliar with the dangers involved. Gossen Metrawatt GmbH... -
Page 68: Disposal And Environmental Protection
(including rechargeable batteries) used in Germany can be re- The following comments refer specifically to the legal situation in turned free of charge to Gossen Metrawatt GmbH or the service the Federal Republic of Germany. Owners or end users who are... - Page 69 Private end consumers can dispose of packaging free of charge at the responsible collection point. Packaging which is not subject to so-called system participation is returned to the appointed ser- vice provider. Further information regarding returns can be found on our website. Gossen Metrawatt GmbH...
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Page 70: Accessories
14.2 Technical Data for Measurement Cables (scope of delivery: KS17-2 safety cable set) 14.3 NA X-TRA Power Pack (not included) Electrical Safety Use power packs from Gossen Metrawatt GmbH only in combi- Maximum rated voltage 600 V 1000 V 1000 V nation with your instrument. -
Page 71: Interface Accessories (Not Included)
USB X-TRA Bidirectional Interface Adapter for IR Interface (Z216C) terminal program for displaying and evaluating the data transmit- This adapter is used to connect METRAHIT PM PRIME and MET- ted via IR or Bluetooth connection and for remote control of the RAHIT PM PRIME BT via their serial IR interface with the USB port instruments. - Page 72 Accessories Attention! Any and all liability is excluded for possible software er- rors, in particular also resulting from interaction with other applications. Information on installation and use can be found in the product documentation of the app. Gossen Metrawatt GmbH...
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Page 73: Ce Declaration
CE Declaration 15 CE Declaration This instrument fulfills all requirements of applicable EU directives and national regulations. We confirm this with the CE mark. Gossen Metrawatt GmbH... - Page 74 © Gossen Metrawatt GmbH Edited in Germany • Subject to change without notice / Errors excepted • A pdf version is available on the Internet All trademarks, registered trademarks, logos, product names, and company names are the property of their respective owners.
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