Multimeter
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Product Name : Multimeter
Product Origin : Hong Kong S.A.R., China
Product Category : Tektronix
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Contact Details : 運揚有限公司 WANCO LIMITED
Product Code : 7709
Product Details

Multimeter



 

萬用錶

Model : 7709


 

 FEATURES

• Automatic 2- or 4-wire connection to DMM


• 6 row×8 column matrix


• Two female “D-sub” connectors are standard for secure hook-up and quick


teardown.


• 300V, 1A capacity.


• Two mating IDC connectors for ribbon cable are supplied.


• Relay closures stored in on-board memory.


 


GENERAL


MATRIX CONFIGURATION: 6 rows × 8 columns.


CONTACT CONFIGURATION: 2 pole Form A.


FIRMWARE: Specified for Model 2700 rev. B03, Model 2701 rev. A01, and Model 2750


rev. A01 or higher.


RELAY TYPE: Latching electromechanical.


ACTUATION TIME: <3ms.


 


CAPABILITIES


DMM CONNECTION:


2-Wire Functions


Row 1, channels 1–8, through channel 50.


4-Wire Functions


Row 1, channels 1–4 (Source) through channel 50 and Row 2, channels 13–16


(Sense), through channel 49.


CLOSE CHANNEL: CLOSE command connects channels 1–8 to DMM. For 4-wire,


channels 1–4 are automatically paired with channels 13–16. ROUTe:MULTiple


allows any combination of rows and columns to be connected at the same time.


 


INPUTS


MAXIMUM SIGNAL LEVEL: Any Channel to Any Channel (1–48): 300VDC or


300Vrms (425V peak) for AC waveforms, 1A switched, 60W, 125VA maximum.


SAFETY: Conforms to European Union Directive 73/23/EEC EN61010-1, CAT I.


CONTACT LIFE (typ): >105 operations at max signal level.


>108 operations cold switching.


CONTACT RESISTANCE: <1Ω any path and additional 1Ω at end of contact life.


CONTACT POTENTIAL: <3μV per contact pair.


OFFSET CURRENT: <100pA.


CONNECTOR TYPE: 50-pin female D-shell for rows and columns.


25-pin female D-shell for “daisy-chain” rows.


Supplied with male IDC ribbon cable connectors.


ISOLATION BETWEEN ANY TWO TERMINALS: >109Ω, <200pF.


ISOLATION BETWEEN ANY TERMINAL AND EARTH: >109Ω, <400pF.


CROSS TALK (1MHz, 50Ω Load): <–35dB.


INSERTION LOSS (50Ω Source, 50Ω Load): <0.35dB below 1MHz.


<3dB below 2MHz.


COMMON MODE VOLTAGE: 300VDC or 300Vrms (425V peak) for AC waveforms


between any terminal and chassis.


 


ENVIRONMENTAL


OPERATING ENVIRONMENT: Specified for 0°C to 50°C.


Specified to 50% R.H. at 35°C.


STORAGE ENVIRONMENT: –25°C to 65°C.


WEIGHT: <0.52kg (1.16 lb).


ACCESSORIES AVAILABLE:


Model 7789 50/25 Pin Male D-Shell Solder Cup Connectors


Model 7790 50/50/25 Pin Female/Male D-Shell IDC Connectors


Model 7705-MTC-2 50 Pin Male to Female DSUB Cable, 2m (6.6 ft).


Model 7707-MTC-2 25 Pin Male to Female DSUB Cable, 2m (6.6 ft).