The TP112 is no longer manufactured and sold.
For an overview of all oscilloscopes, visit the Oscilloscopes page.


Software will remain available through this web site, but it will no longer be updated.

TP112 Models:

TP112-Roptical isolatedrelay (5 A / 50 V)
TP112-Soptical isolatedsolid state (5 A / 50 V)


The tables below show detailed specifications of the TP112.

Acquisition system (analog)

Number of input channels2 analog, D-Sub
Resolution12 bit @ 1 MHz
Accuracy2% of full scale ± 1 LSB
Ranges1.25 V to 20 V full scale, each channel
Impedance1 MOhm / 20 pF
Protection (in all ranges)200 V AC 50 Hz (1:1 probe)
600 V AC 50 Hz (1:10 probe)
Bandwidth (-3dB)DC to 500 kHz maximum
AC coupling cut off frequency (-3dB)±1.5 Hz
Maximum sampling rate1 MHz, 1 µs
Sampling clock sourceinternal, ±0.01%
Memory32768 samples each channel

Acquisition system (digital)

 model TP112-Nmodel TP112-Rmodel TP112-S
Input channels8 digital, D-Sub
Voltage "low"0 to 0.8 V0 to 1 V0 to 1 V
Voltage "high"2.4 to 5 V3 to 24 V3 to 24 V
Impedance100 kOhm1 kOhm1 kOhm
Bandwidth1 MHz5 kHz5 kHz

Outputs (digital)

 model TP112-Nmodel TP112-Rmodel TP112-S
Output channels8 digital, D-Sub
VoltageTTL50 V max50 V max
Current0 to 5 mA0 to 5 A0 to 5 A
Impedance100 kOhm1 Ohm1 Ohm
Bandwidth1 MHz10 Hz1 kHz

Trigger system

Systemdigital, 2 levels
SourceCH1, CH2, digital input
Trigger modesrising edge, falling edge
Level adjustment0 to 100% of full scale
Hysteresis adjustment0 to 100% of full scale
Resolution0.39% (8 bits)
Pre trigger0 to 32768 samples (0 to 100%)
Post trigger0 to 32768 samples (0 to 100%)


Interface8 bit ISA

Power Requirements

Power from ISA slot7.6 W max
+5 V 800 mA
+12 V 200 mA
-12 V 100 mA


Instrument height125 mm (4.9 inch)
Instrument length250 mm (9.8 inch)
Instrument width20 mm (0.8 inch)
Weight230 g (8.1 ounce)
Accessories2 oscilloscope probes 1:1-1:10 switchable
D-Sub to BNC adapter


Download software, drivers, manuals and source code for the TP112.

Software & Driver

LPT/ISA DriverWindows NT4/2000/XP, 32 bit247.57 kB download
TP112 WinSoft measurement software (32 bit)2.87Windows 95/98/ME/NT4/2000/XP1.94 MB download
TP112 WinSoft measurement software (16 bit)2.30Windows 3.xx2.14 MB download
TP112 DOS Measurement software1.0DOS protected mode, Dutch144.34 kB download
TP112 DOS Measurement software2.0DOS protected mode, English254.97 kB download


TP112 Instrument + DOS Software manualDutch208.75 kB download
TP112 Instrument + DOS Software manualEnglish1.08 MB download
WinSoft software manual2.0.7English705.65 kB download
WinSoft software manual2.0.6Dutch744.24 kB download


TP112 Instrument DLL (32 bit)2.90Windows 95/98/ME/NT4/2000/XP448.67 kB download
TP112 Instrument DLL (16 bit)Windows 3.xx97.00 kB download
Borland C++ Builder example18.53 kB download
Borland Delphi example15.38 kB download
DOS source code archiveBasic / C / Pascal179.18 kB download
DasyLab driverFor all TiePie measuring instruments259.46 kB download
Instrument DLL programmer's manual1.29English331.35 kB download
Matlab examplefor Matlab 6.5.1 and higher2.80 kB download
Python binding for instrument DLL1.7for Python 2.7 (Windows 32 bit)200.51 kB download
Python examples1.74.90 kB download
Visual Basic 6 example12.84 kB download