TSURUGA MODEL 356M AC mΩ tester with 20 CH Scanner

Measuement range

■Resistance measurement

Measurement range Note 1	30 mΩ	300 mΩ	3 Ω
Resolution	1 μΩ	10 μΩ	100 μΩ
Measuring current	7.4 mA	1 mA	100 μA
Accuracy Note 2	± (0.5 % of rdg. + 8 dgt.)
Temperature coefficient	± (0.05 % of rdg. + 0.8 dgt.) / ℃
Open terminal voltage	Less than 20 mV peak (with OFF function)

■Voltage measurement

Measurement range Note 1	± 5 V	± 50 V
Resolution	100 μV	1 mV
Accuracy Note 2	± (0.05 % of rdg. + 5dgt.)
Temperature coefficient	± (0.005 % of rdg. +0.5 dgt.) / ℃

Note1: All CH, the same range
Note 2: Specified at 23 ℃ ± 5 ℃, 45 to 75 % RH

Specification

Measuring method	AC 4 terminal method (Resistance measurement)
Measuring frequency	AC 1 kHz ± 20 Hz (Resistance measurement)
Sampling cycle	10 times / s. (Resistance, voltage measurement)
Measurement terminal	Connector of 2.54 mm pitch, MIL-C-86503 standard
Wiring resistance	Source side: Less than 0.1 Ω
Display	LCD display Resistance measurement: 35000 Voltage measurement: 50000 (with polarity indication)
Measuring mode	Automatic measurement: Measure resistance and voltage from CH 1 till set CH, then switched to waiting. 'AUTO' mode: The measured data is saved in 356M, the data can be downloaded to PC. 'FULL' mode: Each measurement of each CH is output. Manual measurement: Resistance and voltage of manually set CH are measured.
Measuring time (During automatic measurement)	Select 1 s. or 2 s. for one CH Measuring time of 1 s.:aprx. 900 ms., 2 s.: aprx.1900 ms.
Judgment	Upper limit (H1, H2) can be set. Output condition: The resistance of more than 1 CH > H1・・・ Relay ON The resistance of more than 1 CH > H2・・・ Relay ON Contact capacity: AC 250 V, 1 A (Resistance load), 1 A. 1a contact
Insulation resistance	DC 500 V, more than 50 MΩ
Withstanding voltage	AC 1500 V, 1 min.
Power supply tolerance	AC 90 to 250 V (356M, 5811-71)
Operating ambient temperature	0 to 50 ℃
Storage temperature	-20 to 70 ℃
Weight	356M aprx. 1 kg, 5811-71 aprx. 1 kg
Dimension	205 (W) x 64 (H) x 169 (D) mm
Serial communication  RS-232C	Transmission system: Start-stop synchronization full duplex Transmission rate: 2400, 4800, 9600 bps Data bit length: 7 bit, 8 bit Stop bit: 1 bit Xon, Xoff: No Control
Accessory	356M Utility software (CD) 1 pc RS-232C cable 1 pc Power cord 1 pc Power fuse 1 pc Operation manual 1 pc
	5811-71 Power cord 1 pc Unit connect cable 1 pc
Measurement cable	Not included, manufacturable based on meeting with us.