Multimeter Model: 7709

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,1Acapacity.

• 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).