Keithley 2700 Service Manual

B-18 Calibration Reference
:DATE?
(:CALibration:PROTected:CARD1:DATE?)
(:CALibration:PROTected:CARD2:DATE?)
Purpose To request the Model 7700 calibration date.
Format :cal:prot:card1:date?
:cal:prot:card2:date?
Response <year>, <month>, <day>
Description The :CARD1:DATE? and :CARD2:DATE? queries allow you to read
back the calibration date from a Model 7700 in Slot 1 and Slot 2
respectively.
NOTE The card calibration date is automatically set to the Model 2700 real time clock date
when the card is calibrated.
Example :CAL:PROT:CARD1:DATE? Request card 1 cal date.
:INIT
(:CALibration:PROTected:CARD1:INITiate)
Purpose To initiate Model 7700 calibration procedures.
Format :cal:prot:card1:init
Parameter None
Description The :INIT command enables Model 7700 calibration when performing
these procedures over the bus. This command must be sent to the unit after
sending the :CODE command, but before performing Model 7700
calibration.
Example :CAL:PROT:CARD1:INIT Initiate 7700 calibration.

Keithley 2700 Specifications

General

Type	Digital Multimeter
Measurement Functions	DC Voltage, AC Voltage, DC Current, AC Current, Resistance, Frequency, Temperature
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Frequency Range	3 Hz to 500 kHz
Temperature Range	-200°C to +1372°C
Display	Vacuum Fluorescent Display
Connectivity	IEEE-488, RS-232
Channels	10
Power Supply	100V to 240V AC, 45Hz to 66Hz
DC Current Range	10 µA to 3 A
AC Current Range	10 µA to 3 A
Temperature Measurement	Thermocouple, RTD