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Druck DPI 842 Frequency Loop Calibrator
  • Druck DPI 842 Frequency Loop Calibrator
  • Druck DPI 842 Frequency Loop Calibrator
  • Druck DPI 842 Frequency Loop Calibrator

Druck DPI 842 Frequency Loop Calibrator

GE Druck Approved distributor and service company.

Includes: Calibration Certificate, Druck DPI842 User's Manual, Set of Test Leads and AA Alkaline Batteries.

IO842
£1,305.00
£1,239.75 Save 5%
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The GE Druck DPI 842 measures or sources Hz, kHz, CPM, CPH and pulses. It is the ideal instrument for process technicians and electronic engineers, providing a highly accurate calibration standard and versatile test tool. Dedicated features make the DPI842 ideal for the test and maintenance of electronic circuits and frequency instruments including frequency meters, batch counters, tachometers, motion pickups, integrators and flow meters.

The Druck DPI842 provides simultaneous frequency output and mA measurement for transmitter and loop maintenance. The Automatic Switch Test captures open/closed trip values provides a fast and highly accurate "safety system" check. A HART Resistor can be switched into the loop when required for a HART digital communicator and avoids the inconvenience of carrying a 250 Ω resistor.

FEATURES

Dual Readings: Provides simultaneous frequency output and mA measurement for transmitter and loop maintenance.

24V Power Supply: Energise transmitters and control loops.

Automatic Switch Test: Captures open/closed trip values providing a fast and highly accurate “safety system” check.

HART Resistor: Can be switched into the loop when required for a HART digital communicator and avoids the inconvenience of carrying a 250Ω resistor.

Druck DPI842 Specifications
Measure Accuracy*
0 to 999.999 Hz 0.003% of reading + 2 counts.
0 to 50.0000 kHz 0.003% of reading + 2 counts.
0 to 999999 cpm/cph 0.003% of reading + 2 counts.
0 to 999999 total count  
Source Accuracy*
0 to 999.99 Hz 0.003% of reading + 0.0023 Hz.
0 to 50.000 kHz 0.003% of reading + 0.0336 kHz.
0 to 99999 cpm 0.003% of reading + 0.138 cpm.
0 to 99999 cph 0.003% of reading + 0.5 cph.
0 to 999999 pulse with variable rate 0 to 9999 Hz
Temperature Coefficient 14°F to 50°F, 86°F to 122°F; 0.0011% FS/°F
(-10°C to 10°C, 30°C to 50°C; 0.002% FS/°C).
Waveform Sine, square or triangular (unipolar or bipolar).
Voltage Input 30 V maximum.
Trigger Level 0 to 24 V, resolution 0.1 V.
Output Amplitude 0 to 24 VDC ±1% (20 mA maximum)
0 to 24 VAC ±5% (20 mA maximum).
Additional Specifications  
0 to 55.000 mA 0.02% of reading + 3 counts.
Temperature Coefficient 14°F to 50°F, 86°F to 122°F; 0.0011% FS/°F
-10°C to 10°C, 30°C to 50°C; 0.002% FS/°C.
Switch Detection Open and closed, 2 mA current.
Loop Power Output 24 V ±10% (35 mA maximum).
HART mA Loop Resistor 250 Ω (menu selection).
*Accuracy includes operation over 50°F to 86°F (10°C to 30°C), one year stability and calibration uncertainty.
General Specifications
Operating Temperature 14°F to 122°F (-10°C to 50°C).
Storage Temperature -4°F to 158°F (-20°C to 70°C).
Humidity 0 to 90% non-condensing, Def sta 66-31 8.6 CAT III.
Shock and VIbration BS EN61010:2001, Def Stan 66-31, 8.4 Cat III.
EMC BS EN61326-1:1998 + A2:2001.
Safety Electrical BS EN61010:2001. CE marked.
Display Graphic LCD with backlight.
Size (L x W x H) 7.1 in x 3.3 in x 2 in (180 mm x 85 mm x 50 mm).
Weight 14 oz (400 g).
Batteries 3 x AA alkaline, life >60 hours in frequency measurement mode, 10 hours in mA source mode (24V@12mA).
Electrical Connectors 4 x 4 mm sockets.
Druck DPI842 warranty One-year.

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Druck DPI 842 Datasheet

PDF Specifications of the Druck DPI 842 Frequency Loop Calibrator.

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Druck DPI 842 Frequency Loop Calibrator
COMPONENT
DESCRIPTION PART No.
Carry Case Soft fabric carrying case with accessory pocket. IO800A
Meter Accessories Belt clip, wrist strap/hanging loop and bench stand. IO800B
Battery/Charger NiMh batteries with charger (charged externally). IO800C
IDOS Lead RS232 serial lead for IDOS. IO800D
Data Logging Data logging option with RS232 lead. IO800E

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