Keithley 6487 Reference Manual

Model 6487 Reference Manual Status and Error Messages B-3
-158
-154
-151
-150
-148
-144
-141
-140
-128
-124
-123
-121
-120
-114
-113
-112
-111
-110
-109
-108
-105
-104
-103
-102
-101
-100
+000
+101
+102
+103
+104
+105
+106
String data not allowed
String too long
Invalid string data
String data error
Character data not allowed
Character data too long
Invalid character data
Character data error
Numeric data not allowed
Too many digits
Exponent too large
Invalid character in number
Numeric data error
Header suffix out of range
Undefined header
Program mnemonic too long
Header separator error
Command header error
Missing parameter
Parameter not allowed
GET not allowed
Data type error
Invalid separator
Syntax error
Invalid character
Command error
No error
Measurement events:*
Low limit 1 failed
High limit 1 failed
Low limit 2 failed
High limit 2 failed
Active limit tests passed
Reading available
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
EE
SE
SE
SE
SE
SE
SE
SE
Table B-1 (c o nt.)
Status and error messages
Number Description Event

Keithley 6487 Specifications

General

Type	Picoammeter/Voltage Source
Current Measurement Range	20 fA to 20 mA
Interfaces	GPIB, RS-232
Voltage Burden	< 200 µV
Input Impedance	>10^14 Ω
Power	100 V / 120 V / 220 V / 240 V
Basic Current Measurement Accuracy	0.4%