Chicago Industrial Reuse and Parts Blog-Newsgroup > West Chicago
> New
> Agricultural
> Hay Baling
> Promac mastercal dht 920 calibrator & working
Promac mastercal dht 920 calibrator & working
This DHT920 portable calibration laboratory is a truly state of the art calibrator which combines in one instrument the ability to test and calibrate virtually all electronic process measurement and control instruments. Basic operation has been kept simple and straightforward but for those who want to use them, there are many programmable features available to help in solving some of the more complex calibration problems.
This calibrator is in very good cosmetic and working condition despite its vintage.
There are no knobs or dials on this unit. Designed by practically oriented engineers, this calibrator offers accuracy, stability and ease of operation that are required for modern instrument adjustment or checkout.
Maintained accuracy of 0.01% for most ranges, together with high reading resolution, stable internal calibrtation and automatic standardization allow the field engineer / technician to calibrate process devices to laboratory specifications using this calibrator.
Now for the specifications (in condensed form) :-
DC VOLTS (auto ranging) +/- 24.999mV to +/- 149.99V in 5 ranges.
AC VOLTS (auto ranging) (50/60Hz sine wave only) 0 .. 249.9mV to 0 .. 109.9V rms in 4 ranges.
THERMOCOUPLES B, C, D, E, G, J, K, N, R, S, T, Ni/NiMo, Platinel.
RTDs Pt. 100, 200, 500, 1000, Ni120, Cu10.
RESISTANCE 0 to 9.999; 0 to 99.99; 0 to 9.999; 0 to 9999 ohms.
FREQUENCY 0 to 99.999; 0 to 999.99; 0 to 9,999.9 Hz.
PULSE DURATION 0 to 99.999 ms; 0 to 999.99 ms; 0 to 9.9999 s; 0 to 99.999 s.
TOTALIZER 0 to 999,999 counts.
DC VOLTS -10.000 to 24.999mV; 0 to 249.99mV; 0 to 2.4999V, 0 to 11.999V, all four ranges 5mA max; output impedance 100 ohms max.
DC CURRENT 0 to 24.999mA; ( source or Xmit simulate 0 to 60.00mA)
Internal power source 24VDC or external loop power 80 VDC max. Note: max. load = source/current.
THERMOCOUPLES As stated above.
PULSE DURATION Width 0 to 999.00s; Repeat 0 to 999.00s; Amplitude 0 to 12VDC
PULSE GENERATOR 0 to 500 pulses.
