Differences

This shows you the differences between two versions of the page.

--- projects:test_and_measurement_home_lab [2019/10/04 20:10]
admin [Micronix]
+++ projects:test_and_measurement_home_lab [2021/05/20 19:49]
admin [Binocular microscops]
@@ Line 1: / Line 1: @@
 ====== Test & measurement home lab ======
-===== 6,5 DMM =====
+===== DMM Keysight 34465A =====
-==== www.amt.cz ====
+==== Remote control ====
-=== Siglent SDM 3065X ===
+=== Netcat - using sockets ===
-  * one-year 0,0035% accuracy (on 2DCV range)
+<code>
-  * 4,3" display
+$ echo "*IDN?" | nc 34465a 5025
-  * USB, LAN/LXI
+Keysight Technologies,34465A,MY59008429,A.03.01-03.15-03.01-00.52-03-02
-  * USB host
+$ echo "MEAS:VOLT:DC? 10,0.001" | nc 34465a 5025
-  * EasyDMM SW
++1.62349138E-04
-  * 22 506,- (w/ DPH)
+$ echo "SYST:ERR?" | nc 34465a 5025
-=== Keysight (Agilent) 34461A ===
++0,"No error"
-  * one-year 0,0035% accuracy (on 10DCV range)
+$
-  * front & rear input terminals
+</code>
-  * 4,3" display
+=== Python - using sockets ===
-  * USB, LAN/LXI
+<code>
-  * USB host
+$ python
-  * BenchVue SW
+>>> import socket
-  * price w/ DPH: 31 823,- Farnell 30 202,- Micronix 31 212,-
+>>> ksaddr=('34465a', 5025)
-  * 3-year warranty
+>>> s=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-==== Farnell ====
+>>> s.connect(ksaddr)
-=== Keysight (Agilent) 34465A ===
+>>> s.sendall('meas:volt:dc? 10,0.001\n')
-  * one-year 0,0030% accuracy (on 10DCV range)
+>>> data=s.recv(1024)
-  * front & rear input terminals
+>>> data
-  * 4,3” display
+'+7.33658297E-05\n'
-  * USB, LAN/LXI
+>>> print data
-  * USB host
++7.33658297E-05
-  * BenchVue SW
-  * 39 711,- (w/ DPH)
-  * 3-year warranty
-=== Keithley DMM6500 ===
-  * one-year 0,0025% accuracy, two-year 0,0030% accuracy (on 1DCV, 10DCV ranges)
-  * front & rear inputs (selected via front pushbutton)
-  * 5" touchscreen display
-  * USB-TMC 2.0, LAN/LXI (optional RS232, GPIB)
-  * USB host (flash disk FAT32)
-  * user access to current protection fuse
-  * free KickStart SW
-  * 29 519,- (w/ DPH)
-  * 3-year warranty
-==== Micronix ====
-=== RIGOL DM 3068 ===
-  * one-year 0,0035% accuracy (on 2DCV range)
-  * only front input terminals
-  * LCD mono display 256x64
-  * USB, LAN/LXI, RS232, GPIB
-  * USB host
-  * Ultra Sensor SW
-  * price w/ DPH: 22 414,-
-=== Fluke 8846A ===
-  * 45 052,- (w/ DPH)
-=== GW Instek GDM 8261A ===
-  * 25 703,- (w/ DPH)
+>>> s.close()
+</code>
+=== Python - using pyvisa package ===
+  * install pyvisa first - on Ubuntu 18.04
+<code>
+$ sudo apt-get install pyvisa
+</code>
+  * on Oracle Solaris s11.4
+<code>
+# pip install pyvisa
+Collecting pyvisa
+  Downloading https://files.pythonhosted.org/packages/51/d1/fc21b45228718cde06b33b08761a6a9aa859dfe51dfbf07e81e0f209e776/PyVISA-1.10.1.tar.gz (6.8MB)
+% |████████████████████████████████| 6.8MB 94kB/s
+Requirement already satisfied (use --upgrade to upgrade): enum34 in /usr/lib/python2.7/vendor-packages (from pyvisa)
+Installing collected packages: pyvisa
+  Running setup.py install for pyvisa ... done
+Successfully installed pyvisa-1.10.1
+You are using pip version 8.1.2, however version 19.3.1 is available.
+You should consider upgrading via the 'pip install --upgrade pip' command.
+# pip install pyvisa-py
+Collecting pyvisa-py
+  Downloading https://files.pythonhosted.org/packages/7c/85/6f3170a31596d8e1ae55a108c07976da7ed2827c7a4328958fc242a88bc9/PyVISA-py-0.3.1.tar.gz (57kB)
+% |████████████████████████████████| 61kB 953kB/s
+Requirement already satisfied (use --upgrade to upgrade): pyvisa>=1.8 in /usr/lib/python2.7/site-packages (from pyvisa-py)
+Requirement already satisfied (use --upgrade to upgrade): enum34 in /usr/lib/python2.7/vendor-packages (from pyvisa>=1.8->pyvisa-py)
+Installing collected packages: pyvisa-py
+  Running setup.py install for pyvisa-py ... done
+Successfully installed pyvisa-py-0.3.1
+You are using pip version 8.1.2, however version 19.3.1 is available.
+You should consider upgrading via the 'pip install --upgrade pip' command.
+#
+</code>
+  * run simple program to acquire measured value
+<code>
+$ python
+>>> import pyvisa
+>>> rm = pyvisa.ResourceManager()        <--- work on Solaris, not on Ubuntu
+>>> rm = pyvisa.ResourceManager('@py')   <--- works on both Solaris and Ubuntu
+>>> inst = rm.open_resource('TCPIP0::34465a::inst0::INSTR')
+>>> print (inst.query("*IDN?"))
+Keysight Technologies,34465A,MY59008429,A.03.01-03.15-03.01-00.52-03-02
+>>> print (inst.query("SYST:ERR?"))
++0,"No error"
+>>> print(inst.query("MEAS:VOLT:DC? 10,0.001"))
++7.79228646E-01
+>>> print(float(inst.query("MEAS:VOLT:DC? 100,0.00001")))
+.7884186
+>>> data=inst.query("MEAS:VOLT:DC? 10,0.001")
+>>> data
+u'+1.99758447E-05\n'
+>>>
+</code>
 ===== Laboratory power supply OWON ODP3122 =====
 ==== Basic specification ====
@@ Line 57: / Line 87: @@
   * channel 1: 0-30V/0-12A
   * channel 2: 0-6V/0-3A
-==== Remote control via LAN ====
+==== Remote control ====
+=== Telnet ===
 <code>
 $ telnet 192.168.1.99 3000
@@ Line 98: / Line 129: @@
   * port 1861
   * LeCroy VICP protocol
+===== Available 6,5 DMMs =====
+==== www.amt.cz ====
+=== Siglent SDM 3065X ===
+  * one-year 0,0035% accuracy (on 2DCV range)
+  * 4,3" display
+  * USB, LAN/LXI
+  * USB host
+  * EasyDMM SW
+  * price w/ DPH: 22 506,- eshop.merici-pristroje.cz 21 676,-
+=== Keysight (Agilent) 34461A ===
+  * one-year 0,0035% accuracy (on 10DCV range)
+  * front & rear input terminals
+  * 4,3" display
+  * USB, LAN/LXI
+  * USB host
+  * BenchVue SW
+  * price w/ DPH: 31 823,- Farnell 30 202,- Micronix 31 212,-
+  * 3-year warranty
+==== Farnell ====
+=== Keysight (Agilent) 34465A ===
+  * one-year 0,0030% accuracy (on 10DCV range)
+  * front & rear input terminals
+  * 4,3” display
+  * USB, LAN/LXI
+  * USB host
+  * BenchVue SW
+  * price w/ DPH: 39 711,- Empos 38 163,- Distrelec € 1469,-
+  * 3-year warranty
+=== Keithley DMM6500 ===
+  * one-year 0,0025% accuracy, two-year 0,0030% accuracy (on 1DCV, 10DCV ranges)
+  * front & rear inputs (selected via front pushbutton)
+  * 5" touchscreen display
+  * USB-TMC 2.0, LAN/LXI (optional RS232, GPIB)
+  * USB host (flash disk FAT32)
+  * user access to current protection fuse
+  * free KickStart SW
+  * 29 519,- (w/ DPH)
+  * 3-year warranty
+==== Micronix ====
+=== RIGOL DM 3068 ===
+  * one-year 0,0035% accuracy (2DCV range)
+  * only front input terminals
+  * LCD mono display 256x64
+  * USB, LAN/LXI, RS232, GPIB
+  * USB host
+  * Ultra Sensor SW
+  * price w/ DPH: 22 414,- Empos 23 670,-
+=== Fluke 8845A/8846A ===
+  * one-year 0,0035%/0,0024% accuracy (10VDC range)
+  * only front input terminals
+  * LAN/LXI, RS232, GPIB, USB (8846A only)
+  * USB host
+  * price w/ DPH: 34 310,-/45 052,- Farnell 32 937,-/43 657,- Empos 33 505,-/-
+=== GW Instek GDM 8261A ===
+  * one-year 0,0035% accuracy (1DCV range)
+  * dual measurement vacuum fluorescent display
+  * USB, RS232 (optionally LAN, GPIB)
+  * price w/ DPH: 25 703,-
+  * 3-year warranty
+===== Binocular microscops =====
+  * [[https://www.hotair.cz/mikroskopy/binokularni/stranka-1-24.html|www.hotair.cz]]
+  * [[https://www.mikroshop.cz/cz/mikroskop-levenhuk-4st-binokularni|www.mikroshop.cz]] - Levenhuk 4ST 20x,40x 130mm