Table of Contents
Related Manuals for Gossen MetraWatt M273A
Summary of Contents for Gossen MetraWatt M273A
- Page 1 Operating Instructions METRAHITIM (M273A/D/W) & XTRA METRAHITIM (M274A/B) & DRIVE METRAHITIM (M272A/B) TECH Insulation Tester, Milliohmmeter, TRMS Multimeter, Inter-Turn Short Circuit Tester 3-447-035-03 8/2.22...
- Page 2 63 test functions accessory, data sheet and operating instructions: steps each Expert www.gossenmetrawatt.de IZYTRONIQ Business Starter li- S101S & cense S101S & Z956A Z956A X = standard O = option — = not possible, not intended Gossen Metrawatt GmbH...
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Page 3: Table Of Contents
11.2 Fuses ..................65 Measurement Data Recording ........... 21 11.3 Housing Maintenance..............65 7.7.1 One-Time Only (manual) Storage........... 21 11.4 Measurement Cables..............65 7.7.2 Measurement Series (automatic storage) ........21 11.5 Recalibration ................65 7.7.3 Memory..................23 Gossen Metrawatt GmbH... - Page 4 (included with KS17-2 cable set and Z270S probe) ....66 Returns and Environmentally Sound Disposal ....66 CE Declaration ..............67 Addresses ............... 68 15.1 Product Support .................68 15.2 Recalibration Service ..............68 15.3 Repair and Replacement Parts Service Calibration Center * and Rental Instrument Service....68 Gossen Metrawatt GmbH...
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Page 5: Safety Instructions
Dangerous current and voltage are otherwise not indicated! The instrument may also be damaged. • Weak (undercharged) battery: Do not perform any safety-rele- vant measurements if the “battery low” symbol appears in the Gossen Metrawatt GmbH... -
Page 6: Applications
Furthermore, all guar- (attention, observe documentation!) antee claims are rendered null and void in such cases. Nor does Gossen Metrawatt GmbH accept any liability for data Warning concerning dangerous voltage at the measurement loss. -
Page 7: Operating Overview
Operating mode menu: Selection of individual menu items Increase measuring range or move decimal point to the right (Man function) Decrease measuring range or move decimal point to the left (Man function) 15 Brightness sensor Gossen Metrawatt GmbH... -
Page 8: Symbols Used In The Digital Display
= 200 mA or 1 A A DC Direct current amperage A (AC+DC) Mixed current amperage, AC DC TRMS Alternating current amperage, AC TRMS Current frequency METRAHIT IM XTRA BT and METRAHIT IM E-DRIVE BT only Clip = off Gossen Metrawatt GmbH... -
Page 9: Symbols On The Instrument
WEEE (see also section 13). Calibration seal (blue seal): Consecutive number XY123 D-K- Deutsche Akkreditierungsstelle GmbH – calibration lab Registration number 15080-01-01 Date of calibration (year – month) 2019-09 See also “Recalibration” on page 65 Gossen Metrawatt GmbH... -
Page 10: Initial Startup
General Setup menu: process. Charging takes approximately 2 hours. ➭ Press the MENU key to this end. ➭ Then press the General Setup softkey. Select the Info parameter with the help of the scroll keys. Gossen Metrawatt GmbH... -
Page 11: Switching The Instrument On
Disconnect the instrument from the measuring circuit. Switch the instrument off and back on again in order to reset. If this procedure is unsuccessful, briefly remove the battery pack (see section 5.1 and section 5.2). Gossen Metrawatt GmbH... -
Page 12: System Settings
Acknowledge the selected charac- ➭ Press the MENU key. ter by pressing the OK key, after which the character is transferred ➭ Press the General Setup softkey. to the entry field. The last entered character or characters can be Gossen Metrawatt GmbH... -
Page 13: Digital Display Settings
➭ Switch to the submenu with the help of the scroll key. > General Setup System Display Zeros: MENU ➭ Select the Change Password parameter with the help of the scroll keys. 000.0 / 0.0 Gossen Metrawatt GmbH... -
Page 14: Viewing The Instrument's Name
➭ Switch to the submenu with the help of the scroll key. ➭ Select the Feature activation parameter with the help of the Note scroll keys. Test sequences (see section 8.16 on page 53) are retained. Gossen Metrawatt GmbH... - Page 15 OK. Resetting can be aborted by scrolling to No with the scroll key and pressing OK. > General Setup System Default Settings: MENU Yes/No prompt Gossen Metrawatt GmbH...
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Page 16: Control Functions
➭ You can return to the help text (1/4) by pressing the 4/4 soft- key. ➭ The display is returned to the menu by pressing the ESC key once. ➭ The display can be returned to the measurement by pressing the ESC key twice. Gossen Metrawatt GmbH... -
Page 17: Selecting Measuring Functions And Measuring Ranges
• measurement and the second measurement is executed more also appear as negative values. quickly. The selected measuring range remains active for the subsequent series of measurements with these two functions. Gossen Metrawatt GmbH... -
Page 18: Display (Tft)
Max softkey three times, if you switch to the MinMax function, when the measuring function is changed or when the instrument is switched off and back on again. V, A, Hz F, % of measuring range 3000 digits 100% t [s] Save Save Reactivated Activated Gossen Metrawatt GmbH... -
Page 19: Saving Minimum And Maximum Values - "Minmax
Max + MV Activate momentary short are saved and save measured value Storage continues in stored min. value Save and background, new min. and display stored max. value max. values are displayed. Stop short are deleted is cleared Gossen Metrawatt GmbH... -
Page 20: Measured Value Memory - Store Function
(e.g. the other test probe). 7.6.2 Remote Read-Out and Storage via the PC – PUSH/PRINT Function The procedure for storage via the PUSH/PRINT function is described in the online help included with IZYTRONIQ report gen- erating software. Gossen Metrawatt GmbH... -
Page 21: Measurement Data Recording
Consider available memory space when selecting your play. settings (see page 23). ➭ The display is returned to the measuring function by pressing the ESC key three times. Afterwards, you can start memory mode operation and then the measuring function at any time. Gossen Metrawatt GmbH... - Page 22 Due to the fact that the value is specified in digits (highest place all the way to the left), and thus depends on the measuring range, it’s advisable to use the function with a fixed measuring range only. Gossen Metrawatt GmbH...
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Page 23: Memory
➭ Acknowledge the selected parameter by pressing the OK key. ➭ Manage the groups with the help of the New, Edit and Delete softkeys. Entries are made via the digital keyboard (see section 6.1). > General Setup Memory Groups MENU Gossen Metrawatt GmbH... -
Page 24: Measurements
position, in order to make sure that a value close to 0 is displayed at the instrument In this way, incorrect connection can be avoided and interrupted mea- surement cables can be detected. Gossen Metrawatt GmbH... - Page 25 ➭ Select the desired test voltage between with the scroll keys. It may be necessary to enter a password in order to change test voltage (see section 8.1). The selected test voltage appears at the display during test- ing. Func Func Gossen Metrawatt GmbH...
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Page 26: Performing Insulation Measurement
Note A dead zone results in erroneous measurements for automatic interference voltage detection during insulation measurement. The dead zone lies within a range of 80% Gossen Metrawatt GmbH... - Page 27 ➭ Select the motor or coil type to be tested under the measure- ment type parameter in “Setup for present measurement” (see below). Coil Func The above symbol blinks when test volt- age is active. Func Func Func Gossen Metrawatt GmbH...
- Page 28 The final comparison of all measurements appears in the table’s header in terms of deviation as a percent- As of firmware version 1.003.000 – in the case of older firmware versions, end age. measurement by pressing the Stop softkey. Gossen Metrawatt GmbH...
- Page 29 25 V, i.e. until after the “Discharging ...” message has been cleared from the display. As of firmware version 1.003.000. As of firmware version 1.003.000 – in the case of older firmware versions, end measurement by pressing the Stop softkey. Gossen Metrawatt GmbH...
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Page 30: Inter-Turn Short Circuit Measurement With The Adapter Xtra
31). Measurement type is automatically set to 3- phase motor measurement and polarity is automatically set to bipolar after connection. ➭ You can view the automatically selected measurement type and polarity mode under “Setup for present measurement”. as of firmware version 1.003.000 Gossen Metrawatt GmbH... - Page 31 (0.16 kVA to 160 kVA) Low: 10 µH to 50 mH (15 kVA to 80 MVA) Test Voltage (U = 1000 V) Test voltage for the inter-turn short circuit measurement is perma- nently set to 1000 V and cannot be changed. Gossen Metrawatt GmbH...
- Page 32 COIL Adapter to the motor coil. The instrument generates a mean value based on both measurement results which, to a great extent, is independent of rotor position. Gossen Metrawatt GmbH...
- Page 33 (e.g. V-W) and press the Start soft- key once again. 8.3.2.6 Saving the Measurement Series The values obtained during the measurement series can be saved to the instrument’s internal memory by pressing the STORE key after the measurement series has been completed. Gossen Metrawatt GmbH...
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Page 34: Absorption Index Measurement - Dar (Metrahit Im Xtra Bt And Metrahit Im E-Drive Bt Only)
Func tive device under test. The instrument’s internal 1 M resistor causes rapid discharging. 0 V! Contact to the insulation resistance must be retained to this end. Gossen Metrawatt GmbH... -
Page 35: Polarization Index Measurement - Pi (Metrahit Im Xtra Bt And Metrahit Im E-Drive Bt Only)
PI Measured time since beginning of mea- value cannot be determined because the second value would surement have to be higher. Measured value after 60 s in M/G Measured value after 600 s in M/G Gossen Metrawatt GmbH... -
Page 36: Voltage Measurement
10, “Charac- teristic Values”. VAC Fil – Voltage Measurement with Low-Pass Filter Attention! Zero Func Be aware of the fact that dangerous voltage spikes are not displayed during this type of measurement (see also “Voltage Comparator”). Gossen Metrawatt GmbH... -
Page 37: Duty Cycle Measurement - Duty Ac (Metrahit Im Xtra Bt And Metrahit Im E-Drive Bt Only)
Measured RPM value Revolutions Per Minute RPM parameter Pulses per revolution Pulses per Revolution Settings Menu RPM measurement at 2-stroke engines: 1 pulse per revolution) or RPM measurement at 4-stroke engines: 1 pulse per 2 revolutions) Gossen Metrawatt GmbH... - Page 38 Measuring Ranges: RPM: 30 ... 30000 Func V m/4 Temp COIL S– I(A) Max. 1000 V 3 kHz Hz: 1 Hz 300 kHz = 3 x 10 V x Hz Gossen Metrawatt GmbH...
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Page 39: Direct And Pulsating Voltage Measurement, V Dc And V (Ac+Dc)
The multimeter is automatically switched to is switched off. The value is cleared from the display. manual measuring range selection. Specified measuring accuracy is not reached with signals of greater than 500 Hz when the filter is active. Gossen Metrawatt GmbH... -
Page 40: Resistance Measurement
The value is cleared from the display. Note The “Setup for present measurement” submenu cannot Func be accessed for the resistance measurement because no further settings are available. V m/4 Temp COIL S– 0 V! Gossen Metrawatt GmbH... -
Page 41: Capacitance Measurement F
Note V m/4 0 V! Temp COIL The “Setup for present measurement” submenu cannot S– be accessed for the capacitance measurement because no further settings are available. – V m/4 Temp COIL S– Gossen Metrawatt GmbH... -
Page 42: Temperature Measurement With Resistance Thermometers - Temp Rtd
Save softkey. The ascertained value for R Leads appears above the measurement display. Automatic compensation of cable resistance is activated for all subsequent measurements. Cable resistance remains in memory even after the instrument has been switched off. Gossen Metrawatt GmbH... -
Page 43: Temperature Measurement With Thermocouple - Temp Tc
Tman +xx.x °C Choice Between Measured and “Manual” Reference Temperature > Setup for present measurement (Temp Setup) MENU Compensation Type Man / Int Manually specified reference temperature Internally measured reference temperature Gossen Metrawatt GmbH... -
Page 44: Continuity Test
R < 1, 10, 20, 30, 40, 50, 60, 70, 80, 90 Forward Direction Note The “Setup for present measurement” submenu cannot be accessed for the continuity test or the diode test. – Measuring Range: Reverse Direction up to 4.500 V Gossen Metrawatt GmbH... -
Page 45: Milliohm Measurement - Rlo (2-Wire Measurement) (Metrahit Im Xtra Bt And Metrahit Im E-Drive Only)
V m/4 selected directly in the measurement view. Temp COIL S– Uext > 2 V Blown Fuse STOP! In the event of a blown fuse, measurement is not possible and the following display appears: 0 V! Gossen Metrawatt GmbH... -
Page 46: Milliohm Measurement - M/4 (4-Wire Measurement)
KC27 Kelvin Probe (or KC4 Kelvin clip) Insofar as possible, tips which are not spring- loaded should be aligned inwardly to the device under test because they’re connected – via the red plugs labeled S and S (sense). black Gossen Metrawatt GmbH... -
Page 47: Thermovoltage Compensation
S+ or S–. Note If measuring current is interrupted during the 4-L-m measurement, or if the fuse blows, “LEADS OPEN” blinks at the display. Refer to section 11.2 in the event of a blown fuse. Gossen Metrawatt GmbH... -
Page 48: Milliohm Measurement With 200 Ma Or 20 Ma Dc
These changes may be of significant magnitude, and may result in arcing under unfavorable conditions. The milliohm- meter is protected against arcing by means of suitable voltage arrestors. Gossen Metrawatt GmbH... -
Page 49: Current Measurement
The correction or offset value is deleted by pressing Zero once again, or when the instrument is switched off. The value is cleared from the display. Func V m/4 Temp COIL S– Current Gossen Metrawatt GmbH... -
Page 50: Alternating Current And Frequency Measurement, Direct Connection, - Aac And Hz
The value is cleared from the display. Hz: 0.01 ... 300 kHz, 4 ranges: Zero Func 300 Hz / 3 kHz / 30 kHz / 300 kHz Func V m/4 Temp COIL S– I > 1 A Current Gossen Metrawatt GmbH... -
Page 51: Direct And Pulsating Current Measurement With Current Clamp Sensor - Adc Und A (Ac+Dc)
Automatic compensation is imple- mented for future measurements. ➭ The correction or offset value is deleted by pressing Zero, by changing to another measuring function or by switching the in- strument off. The value is cleared from the display. Gossen Metrawatt GmbH... -
Page 52: Alternating Current Measurement With Current Clamp Sensor - Aac And Hz
Automatic compensation is imple- mented for future measurements. ➭ The correction or offset value is deleted by pressing Zero, by changing to another measuring function or by switching the in- strument off. The value is cleared from the display. Gossen Metrawatt GmbH... -
Page 53: Measuring Sequences - Test Sequences
➭ Press the Edit Sequence softkey. The sequences are displayed. Press the Ins Function key, select the desired function with the ➭ Select the test sequence to be deleted with the scroll rotary switch and acknowledge your selection by pressing the keys. STORE key. Gossen Metrawatt GmbH... - Page 54 value, date and time. Press the scroll key in order to display further measurement steps. ➭ The measuring sequence is ended by pressing the STORE soft- key. A corresponding message appears. Gossen Metrawatt GmbH...
- Page 55 Z270S probe (METRAHIT IM XTRA BT and METRAHIT IM E-DRIVE BT only). Sequence run: end the measurement step. * See page 12 for a description of keyboard operation for entering text. Gossen Metrawatt GmbH...
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Page 56: Interface Operation And Software
➭ Acknowledge the selected parameter by pressing the OK key. ➭ Change the respective number with the scroll keys. ➭ Acknowledge your change with the OK key. > General Setup Memory Interface MENU 1234 Gossen Metrawatt GmbH... -
Page 57: Software For Receiving And Evaluating Data
➭ Select your instrument by name from the list at the top left and click the Connect button. The instrument is connected to the METRAHIT IM Data Reader. Data are read in from the instrument to the program. Gossen Metrawatt GmbH... -
Page 58: Metralog App (Smartphone And Tablet)
Change the order of test steps • Edit comments • Import/export of sequences as TXT files Note Observe the maximum possible number of test sequences and test steps per instrument! Standard: 1 sequence with up to 10 steps for the Gossen Metrawatt GmbH... - Page 59 If you’re using more than one instrument, the current instrument has to be selected by name. Instructions on how to find your instrument’s name are provided in section 6.8 on page 14. Gossen Metrawatt GmbH...
- Page 60 ➭ Select a test sequence file. ➭ Confirm that the file should be opened. ➭ The test sequences are imported to the program. The se- quences can now be edited (see page 59) and/or transferred to an instrument (see page 60). Gossen Metrawatt GmbH...
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Page 61: Characteristic Values
METRAHIT IM XTRA BT and METRAHIT IM E-DRIVE BT only The voltage measuring ranges with max. 10 kHz apply in the A measuring range. Key: d = digit(s), MR = measuring range, rdg. = reading (measured value) Plus sensor deviation Gossen Metrawatt GmbH... - Page 62 > 150 dB Interference quantity: V respective nominal value of the measuring Series Mode > 50 dB range, max. 1000 V , 50 Hz ... 60 Hz Interference sinusoidal Voltage Interference quantity max. 1000 V > 50 dB Gossen Metrawatt GmbH...
- Page 63 300 A to 1 A ranges 2-Wire m FF 0.315 A / 1000 V measuring ranges 6.3 x 32 mm (METRAHIT IM XTRA BT and Fuse with breaking capacity of 30 kA at METRAHIT IM E-DRIVE BT 1000 V AC/DC only) Gossen Metrawatt GmbH...
- Page 64 Part 2: Insulation resistance (METRAHIT IM XTRA BT and METRAHIT IM E- DRIVE BT only) EN 61557-4 Part 4: Resistance of earth connection and equipotential (METRAHIT IM XTRA BT bonding and METRAHIT IM E- DRIVE BT only) Gossen Metrawatt GmbH...
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Page 65: Maintenance And Calibration
Attention! Use only the specified fuse type! The fuse must have a breaking capacity of at least 30 kA (see page 63). The use of repaired fuses or short-circuiting the fuse holder is prohibited. Gossen Metrawatt GmbH... -
Page 66: Accessories
In order to establish contact inside 4 mm jacks, the safety caps have to be removed by prying open the snap fastener with a pointed object (e.g. the other test probe). Gossen Metrawatt GmbH... -
Page 67: Ce Declaration
CE Declaration The instrument fulfills all requirements of applicable EU directives and national regulations. We confirm this with the CE mark. A factory calibration certificate or test report is included with the instrument. Gossen Metrawatt GmbH... -
Page 68: Addresses
AC active power, AC apparent power, DC power, capacitance, frequency, temperature Competent Partner Gossen Metrawatt GmbH is certified in accordance with DIN EN ISO 9001. Our DAkkS calibration laboratory is accredited by the Deutsche Akkreditierungsstelle GmbH (national accreditation body of the Federal Republic of Germany) under registration number D-K-15080-01-01 in accordance with DIN EN ISO/IEC 17025.
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