PROSTAT - PAS-853B Wide Range Ohmmeter

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PROSTAT - PAS-853B Wide Range Ohmmeter Electrostatics Testing


PROSTAT - PAS-853B Wide Range Ohmmeter 
Brand : PROSTAT
Model : PAS-853B

 
The PAS-853B is a constant voltage wide range ohmmeter designed specifically for ESD Plant Auditors who must make many measurements quickly while supporting ANSI/ESD S20.20 Program Standard and periodic verification requirements.
 
The PAS-853B performs in accordance with standard resistance measurement practices outlined in ANSI/ESD 541 Packaging and meets all audit requirements of ESD TR53.
Variable & Constant Test Voltages in Auto Mode:
  • <10 Volts Variable from 0.01 to 9.9x103 ohms
  • 10 Volts (±<5% Constant Voltage) from 1.0x104 to 9.99×105 ohms
  • 100 Volts (±<2% Constant Voltage) from 1.0x106 to 9.99×1012 ohms
 
Specification :

Type Description
Controls ON/OFF Battery Bus Cut-off Slide Switch ON SIDE OF CASE ON: Energizes instrument and LCD displays Software Version then GO A with AUTO indication (Default) OFF: Isolates battery and DC voltage from instrument controls and circuit. Use for transport and storage TEST Pad With Test Leads installed: Press once & Release. Measurements performed automatically In conjunction with MODE changes from Auto operation to Continuous MODE Pad Steps through Auto/Voltage ranges with each press of MODE Pad: AUTO: Default automatic resistance range & Voltage control <10V: Manual Operation 0.01 to =10V Test Voltage; Resistance Range: 0.01E-1 to 9.99E9 Ω 10V: Manual Operation at 10V (Nominal, Semi-Constant) Resistance Range: 0.98E4 to 9.99E10 Ω 100V: Manual Operation at 100V (±<5V) Constant Voltage Resistance Range: 0.98E6 to 9.99E12 Ω When data in HOLD, press MODE to terminate HOLD without changing operational mode Press MODE with TEST to change from Auto to Continuous Used to measure lead resistance (NULL) Used by Prostat Authorized Technicians for Voltage Calibration
Connections Positive (+): Test Voltage (RED) – Supplies test voltage to electrodes/fixtures Negative (-): Current sensing (BLACK) – Conducts current from electrode, fixtures or Ground to instrument Chassis: Shielding connection to chassis (WHITE) – Reduces transmitted energy and effect on current measurement Note: ¾ inch spacing between RED and BLACK accommodates dual banana BNC adapters
Indication Colored LED’s indicate instrument operational MODE and Test Voltage (YELLOW) used for the current measurement, as well as measurement completion (GREEN LED). AUTO: ON during automatic operations; OFF in Manual mode <10V 10V 100V GREEN LED: Measurement hold
Typical Tolerances 1Nominal performance by range: 0.01E- 1 – 1.0E 0 Ω <±10%, ±2 Counts 1.0E 0 – 9.99E10 Ω <±2%, ±2 Counts 1.0E11 – 9.99E12 Ω <± 10%, ±4 Counts
Test Voltages Automatically selected and controlled in AUTO mode. May be manually selected by pressing MODE pad in the following order: <10V Variable based on resistance load: Provides 0.001 to =10V Functional in AUTO within range 0.01 O - <1.0E+4 Ω Manual Operation Resistance Range: 0.01E-1 to 9.99E+9 Ω 10V Constant Voltage (Under Load): Test Voltage Varies ± <5% in AUTO or Manual Operations Functional in AUTO within range 1.0E+4 Ω - <1.0E+6 Ω Manual Operation Resistance Range: 0.9E+4 to 9.99E+10 Ω 100V Constant Voltage (Under Load): Test Voltage Varies ± <2% in AUTO or Manual Operations Functional in AUTO within range 1.0E+6 Ω - <1.0E+13 Ω Manual Operation Resistance Range: 0.90E6 to 9.99E12 Ω Returns to Auto Mode
Modes Of Operations GO A: Performs all automatic and manual voltage select functions, stops and displays measurements after Electrification Period (EP) is complete, then displays data with Green LED ON for 10 seconds. GO C: Performs all automatic and manual voltage select functions, continuously displays measurements until the operator presses MODE or TEST pads. GO C disables electrification period controls.
Power One 9V alkaline transistor battery; battery life > 50 hours
Dimensions 7.25 in. (184 mm) x 4.3 in, (109 mm) x 1.4 in.
Weight 13.2 oz. (375 gram) with battery installed
Notes 1Tolerance and accuracy measurements were conducted under controlled conditions with close tolerance reference resistors. Do not attempt to open instrument case: No internal operational parts or adjustments Provides access to 100DCV power supply Damage to instrument and environmental seals may occur Will void warranty Store instrument in case and dry environment
 
 

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