ZERA MT686 Portable Test System

Analysis of complete metering installations and local mains conditions

The state of the art test system MT686 consist of a class 0.1 reference meter with built-in current source up to 100 A. It is particularly designed for analysis of complete metering installations and local mains conditions. The equipment offers high functionality combined with an excellent menu guided operation via… Devamı

MT681_3

FEATURES

Verification of the load conditions on metering installations
Verification of the energy registration
Testing of meters with accuracy classes 1 and 2
4 Quadrant measurement
Frequency-, phase angle and power measurement
Independent generation of load conditions by using incoming voltage from the grid
Testing of 3 or 4 wire systems with pulse output
Harmonic spectrum analysis
Wave form analysis
Available as: Accuracy class 0.5 (MT686)

Teknik Özellikler

GENERAL

	MT681	MT686
Power supply	85 … 265 V, 47 … 63 Hz
Power consumption	max. 350 VA
Temperature range, operation	-10° … + 50° C
Temperature range, storage	-15° … + 65° C
Relative humidity (not condensing)	max. 95 %
Dimensions (DxWxH)	192 x 485 x 392 mm
Weight	~ 16.5 kg

SAFETY

	MT681
IP class according to DIN EN 60529	IP40
Declaration of conformity	CE conform
Protection class according to DIN EN 61140	I
Overvoltage category voltage measurement 16)	CAT III 300 V / CAT II 600 V
Overvoltage category current measurement	CAT III 300 V / CAT II 600 V

REFERENCE METER

	MT681	MT686
Measuring modes	2WA / 2WR / 2WAP3WA / 3WR / 3WAP / 3WRCA / 3WRCB4WA / 4WAb/ 4WR / 4WRb / 4WAP / 4WAPb / 4WRC
Fundamental frequency	45 ... 65 Hz
Bandwidth	3000 Hz
Sampling	16 bit 504 samples/period
Accuracy class for measuring of power / energy	0.1	0.05
Angle measurement accuracy 3) 4)	< 0.015°	< 0.010°
Frequency measurement deviation	± 0.01 Hz

Voltage Measurement

	MT681	MT686
Voltage measurement	100 mV ... 300 V
Voltage range(s)	5 V, 250 V
Voltage measurement accuracy 5)	< 0.05 % @ 30 ..300 V< 1 % @ 1 V .. < 30 V< 3 % @ 100 mV .. < 1 V	< 0.03 % @ 30 ..300 V< 1 % @ 1 V .. < 30 V< 3 % @ 100 mV .. < 1 V
Voltage measurement temperature drift 3)	< 15 x 10 E-6 / K	< 5 x 10 E-6 / K
Voltage measurement stability 1) 3)	< 50 x 10 E-6
Voltage measurement long term stability 2) 3)	< 100 x 10 E-6 / Year	< 80 x 10 E-6 / Year

Current measurement direct or [with MT3430]

	MT681	MT686
Current measurement	1 mA ... 100 A
Current range(s)	100 A, 50 A, 25 A, 12 A, 6 A, 3 A, 1.2 A, 0.6 A, 0.3 A, 0.12 A, 0.06 A [100 A, 50 A, 10 A, 5 A, 1 A, 0.5 A, 0.1 A, 0.05 A]
Current measurement accuracy 5)	< 0.05 % @ 10 mA ... 100 A< 0.2 % @ 5 mA ... < 10 mA< 1% @ 1 mA .. < 5 mA[< 0.15 % @ 500 mA … 120 A][< 0.3 % @ 100 mA … < 500 mA]	< 0.03 % @ 10 mA ... 100 A< 0.2 % @ 5 mA ... < 10 mA< 1% @ 1 mA .. < 5 mA[< 0.15 % @ 500 mA … 120 A][< 0.3 % @ 100 mA … < 500 mA]
Current measurement temperature drift 4)	< 15 x 10 E-6 / K[< 50 x 10 E-6 / K]	< 5 x 10 E-6 / K[< 50 x 10 E-6 / K]
Current measurement stability 1) 4)	< 70 x 10 E-6 / K[< 150 x 10 E-6 / K]
Current measurement long term stability 2) 4)	< 100 x 10 E-6 / Year	< 80 x 10 E-6 / Year

Power Measurement direct or [with MT3430]

	MT681	MT686
Power/energy measurement accuracy 3) 6)	< 0.1 % @ 10 mA ... 100 A< 0.25 % @ 5 mA ... < 10 mA< 1 % @ 1 mA .. < 5 mA[< 0.2 % @ 500 mA … 120 A][< 0.35 % @ 100 mA … < 500 mA]	< 0.05 % @ 10 mA ... 100 A< 0.25 % @ 5 mA ... < 10 mA< 1 % @ 1 mA .. < 5 mA[< 0.2 % @ 500 mA … 120 A][< 0.35 % @ 100 mA … < 500 mA]
Power/energy measurement temperature drift 3) 4)	< 30 x 10 E-6 / K[< 65 x 10 E-6]	< 10 x 10 E-6 / K[< 65 x 10 E-6]
Power/energy measurement stability 1)	< 100 x 10 E-6[< 200 x 10 E-6]
Power/energy measurement long term stability 2)	< 150 x 10 E-6 / Year< 700 x 10 E-6 / Year	< 100 x 10 E-6 / Year[< 700 x 10 E-6 ] / Year

SOURCE

	MT681	MT686
Current min. max.	1 mA … 100 A
Current range(s)	100 A, 50 A, 25 A, 12 A, 6 A, 3 A, 1.2 A, 0.6 A, 0.3 A, 0.12 A, 0.06 A
Current max. voltage per range	0.5 V (100 A .. 12 A), 0.8 V (< 12 .. 6 A), 1.2V ( < 6 .. 3 A ), 2.3V ( < 3 A)
Current max. output power 8)	50 VA
Current accuracy 4)	< 0.1 %
Current distortion	< 0.5 % @ 50 mA ... 120 A
Frequency range	45 ... 65 Hz
Phase angle setting range	0.00 … 359.99°
Phase angle stability 4) 9)	< 0.15 °

1: Stability over 1 hour (every minute one measurement with ti = 60 s
2: Stability over 1 year (every month one measurement over one hour )
3: From 30 V … 300 V
4: From 10 mA … 100 A [ 500 mA … 120 A]
5: Related to the read value at optimum range selection
6: Related of apparent power
7: of range
8: Related of end of maximum range and end of range and ohmic load
9: Stability over 1 hour (measurement with ti = 10 s)
[ ] ≙ with AC current clamps MT3430

Subjects to alteration.

Resmi büyüt

Teklif İsteyin

MT681&686 DATA SHEET

Kategoriler: Sayaç Test Cihazları, Sayaç ayar Masaları Etiketler: Etalon Cihazı, Taşınabılır Sayaç Test Cıhazı

Açıklama
Ürün Özellikleri
Teknik Özellikler
Aksesuarlar

Açıklama

Ürün Özellikleri

User friendly menu guided operation
Vector diagram display and phase sequence indication on integrated colour-screen
Extendable compact flash memory for storage of customer data and measurement results
Easy verification and analysis of meter installations
No additional error for reactive measurements
Automatic operation without need of an external PC

	MT681	MT686
Power supply	85 … 265 V, 47 … 63 Hz
Power consumption	max. 350 VA
Temperature range, operation	-10° … + 50° C
Temperature range, storage	-15° … + 65° C
Relative humidity (not condensing)	max. 95 %
Dimensions (DxWxH)	192 x 485 x 392 mm
Weight	~ 16.5 kg

	MT681
IP class according to DIN EN 60529	IP40
Declaration of conformity	CE conform
Protection class according to DIN EN 61140	I
Overvoltage category voltage measurement 16)	CAT III 300 V / CAT II 600 V
Overvoltage category current measurement	CAT III 300 V / CAT II 600 V

	MT681	MT686
Measuring modes	2WA / 2WR / 2WAP3WA / 3WR / 3WAP / 3WRCA / 3WRCB4WA / 4WAb/ 4WR / 4WRb / 4WAP / 4WAPb / 4WRC
Fundamental frequency	45 ... 65 Hz
Bandwidth	3000 Hz
Sampling	16 bit 504 samples/period
Accuracy class for measuring of power / energy	0.1	0.05
Angle measurement accuracy 3) 4)	< 0.015°	< 0.010°
Frequency measurement deviation	± 0.01 Hz

	MT681	MT686
Voltage measurement	100 mV ... 300 V
Voltage range(s)	5 V, 250 V
Voltage measurement accuracy 5)	< 0.05 % @ 30 ..300 V< 1 % @ 1 V .. < 30 V< 3 % @ 100 mV .. < 1 V	< 0.03 % @ 30 ..300 V< 1 % @ 1 V .. < 30 V< 3 % @ 100 mV .. < 1 V
Voltage measurement temperature drift 3)	< 15 x 10 E-6 / K	< 5 x 10 E-6 / K
Voltage measurement stability 1) 3)	< 50 x 10 E-6
Voltage measurement long term stability 2) 3)	< 100 x 10 E-6 / Year	< 80 x 10 E-6 / Year

	MT681	MT686
Current measurement	1 mA ... 100 A
Current range(s)	100 A, 50 A, 25 A, 12 A, 6 A, 3 A, 1.2 A, 0.6 A, 0.3 A, 0.12 A, 0.06 A [100 A, 50 A, 10 A, 5 A, 1 A, 0.5 A, 0.1 A, 0.05 A]
Current measurement accuracy 5)	< 0.05 % @ 10 mA ... 100 A< 0.2 % @ 5 mA ... < 10 mA< 1% @ 1 mA .. < 5 mA[< 0.15 % @ 500 mA … 120 A][< 0.3 % @ 100 mA … < 500 mA]	< 0.03 % @ 10 mA ... 100 A< 0.2 % @ 5 mA ... < 10 mA< 1% @ 1 mA .. < 5 mA[< 0.15 % @ 500 mA … 120 A][< 0.3 % @ 100 mA … < 500 mA]
Current measurement temperature drift 4)	< 15 x 10 E-6 / K[< 50 x 10 E-6 / K]	< 5 x 10 E-6 / K[< 50 x 10 E-6 / K]
Current measurement stability 1) 4)	< 70 x 10 E-6 / K[< 150 x 10 E-6 / K]
Current measurement long term stability 2) 4)	< 100 x 10 E-6 / Year	< 80 x 10 E-6 / Year

	MT681	MT686
Power/energy measurement accuracy 3) 6)	< 0.1 % @ 10 mA ... 100 A< 0.25 % @ 5 mA ... < 10 mA< 1 % @ 1 mA .. < 5 mA[< 0.2 % @ 500 mA … 120 A][< 0.35 % @ 100 mA … < 500 mA]	< 0.05 % @ 10 mA ... 100 A< 0.25 % @ 5 mA ... < 10 mA< 1 % @ 1 mA .. < 5 mA[< 0.2 % @ 500 mA … 120 A][< 0.35 % @ 100 mA … < 500 mA]
Power/energy measurement temperature drift 3) 4)	< 30 x 10 E-6 / K[< 65 x 10 E-6]	< 10 x 10 E-6 / K[< 65 x 10 E-6]
Power/energy measurement stability 1)	< 100 x 10 E-6[< 200 x 10 E-6]
Power/energy measurement long term stability 2)	< 150 x 10 E-6 / Year< 700 x 10 E-6 / Year	< 100 x 10 E-6 / Year[< 700 x 10 E-6 ] / Year

	MT681	MT686
Current min. max.	1 mA … 100 A
Current range(s)	100 A, 50 A, 25 A, 12 A, 6 A, 3 A, 1.2 A, 0.6 A, 0.3 A, 0.12 A, 0.06 A
Current max. voltage per range	0.5 V (100 A .. 12 A), 0.8 V (< 12 .. 6 A), 1.2V ( < 6 .. 3 A ), 2.3V ( < 3 A)
Current max. output power 8)	50 VA
Current accuracy 4)	< 0.1 %
Current distortion	< 0.5 % @ 50 mA ... 120 A
Frequency range	45 ... 65 Hz
Phase angle setting range	0.00 … 359.99°
Phase angle stability 4) 9)	< 0.15 °

Aksesuarlar

ZERA MT686 Portable Test System

FEATURES

Ürün Özellikleri

Teknik Özellikler

GENERAL

SAFETY

REFERENCE METER

Voltage Measurement

Current measurement direct or [with MT3430]

Power Measurement direct or [with MT3430]

SOURCE

Aksesuarlar

TROLLEY (OPTIONAL)

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