Prostat PDT-740B, User Manual

PdT-740b Static decay Timer Specifications

Controls: 

OFF-ON

Cut Off Voltage, 10,  50 and 100 Volts (Selects Voltage to stop timing)

Indicators: 

Green LED: Decay Cycle Ready > ±1kV, CPM voltage > ±1,000 volts

Red LED: Timing in Progress, CPM voltage decay timing activated

LOBAT displayed when battery voltage <6.0 volts

Display: 

Liquid Crystal Display (LCD) displays elapsed decay time from ±1,000 volts to 

selected Cut Off voltage in seconds and tenths of a second (00.0)

Polarity: 

Automatically senses Positive & Negative voltage references

Zero & Reset:   

Automatically Resets Timer and Display to 00.0 when CPM voltage > ±1kV.  Reset   

indicated when Green LED Decay Cycle Ready LED is ON.

Response: 

Approximately 200 milliseconds in combination with CPM and PFM-711A

Timing Range:  

From 0.2 to 159.9 seconds

Timing Setpoints: 

Reset when voltage input 100mv ±2mv (1,000 Field Meter Volts ±20V)

Cut Off Voltage @ 100 V: 10mv ±0.2mv (100 Field Meter Volts ±2V)

Cut Off Voltage @  50 V:  5mv ±.2mv (50 Field Meter Volts ±2V)

Cut Off Voltage @  10 V:  1mv ±0.2mv (10 Field Meter Volts ±2V)

Accuracy: 

Typically < ±5%

Power:  

One (1) standard 9-volt battery, PROCELL, Eveready #216 (NEDA 1604, JIS 006P, IEC  

6F22)Eveready #216 

Battery Life:   

>40 hours typical 

Dimensions:   

4.50 inches x 2.75 inches x 1.0 inches

Weight: 

6.5 oz. (184 gm)

13

Rev. B  / February 2005

PDT-740B Static Decay Timer