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M-602/602A Programmable Resistance Decade

Model M-602 is low-cost programmable resistance decade box with range from 10 Ω to 300 kΩ (0.1 Ω to 10 MΩ in M-602A version). Basic accuracy is 0.02 %. Build-in software contains function of RTD temperature sensor simulation with parameters according to IEC (DIN) or US standards, temperature setting in degree of Celsius or Fahrenheit. Decade is supplied from internal accumulator or from external power line adapter. Models both with RS-232 interface and IEEE488 bus are available.
Resistance decade is determined for calibration laboratories for ohmmeter and multimetr testing and for industry as device for quality testing as well.

Specification

Basic information

Version	M-602	M-602A
Resistance range	10 Ohm - 300 kOhm	0.1 Ohm - 10 MOhm
Best resolution	0.001 Ohm	0.000 01 Ohm
Range of Pt sensor temperature simulation	-200°C - +850°C	-200°C - +850°C
Range of Ni sensor temperature simulation	-60°C - +300°C	-60°C - +300°C
Types of sensors	Pt, Ni	Pt, Ni
Temperature scales	IPTS68, ITS90	IPTS68, ITS90
Pt sensor standards	DIN (1,385), US (1,392)	DIN (1,385), US (1,392)
Ni sensor standards	DIN 43760 (6180)	DIN 43760 (6180)
Connection	2, 3, 4-wire	2, 3, 4-wire
Remote control	RS-232, optionally IEEE488	RS-232, optionally IEEE488
Power supply	internal ACCU/power line adapter (100-240V/50-60Hz)	internal ACCU/power line adapter (100-240V/50-60Hz)
Dimmensions	325 x 111 x 316 mm	325 x 111 x 316 mm

M-602 Resistance accuracy

Resistance range	Accuracy
10 Ohm - 200 Ohm	0.05 % + 15 mOhm
200 Ohm - 10 kOhm	0.02 %
10 kOhm - 50 kOhm	0.05 %
50 kOhm - 100 kOhm	0.1 %
100 kOhm - 300 kOhm	0.5 %

M-602A Resistance accuracy

Resistance range	Accuracy
0.1 Ohm - 200 Ohm	0.05 % + 15 mOhm
200 Ohm - 2 MOhm	0.02 %
2 MOhm - 10 MOhm	0.05 %

Pt simulation accuracy

Temperature	Pt10 - Pt200	Pt200 - Pt20000
-200 ... 0°C	0.2°C	0.2°C
0 ... 850°C	0.2°C	0.2°C

Ni simulation accuracy

Temperature	Ni10 - Ni200	Ni200 - Ni20000
-60 ... 0°C	0.2°C	0.1°C
0 ... 300°C	0.1°C	0.1°C

Accessories

Accessories (included)

Power line adapter	1 pc
Cable RS232 (for RS232 version only)	1 pc
Operation manual	1 pc
Application software	2 diskettes or CD rom

Options (extra ordered)

Cable IEEE488	IEEE488/IEEE488 2m
Spare accumulator 12V 1,9Ah	B-WP1,9 - 12

M-602 / M-602A versions

Bus	M602-V1xxx ... RS232
	M602-V2xxx ... IEEE488
Additional functions	M602-Vx0xx ... none
	M602-Vx1xx ... with Short / Open
Housing	M602-Vxx0x ... table version
	M602-Vxx1x ... module 19", 3HE
	M602-Vxx2x ... table version with holder
Power supply	M602-Vxxx0 ... power line adapter only
	M602-Vxxx1 ... with ACCU and power line adapter

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