Section 1
SPECIFICATIONS:
Charger:
1100 volts, selectable polarity
Fieldmeter:
Accuracy
5% of reading,
2% typical
Zero Drift
<
4V in 90s,
2V typical
Trip points:
Fixed 1000V and 100V
Charge plate:
1.7”x4” (
10.6 inches periphery)
Capacitance
25pF
Self-discharge
<10% of full scale in 200s
Display:
2x16 LCD, >5 updates per second
Timer
200.0s maximum, 0.1s resolution
Fieldmeter
1250V, 1V resolution
Sensors:
Humidity
5% typ. from 10% to 90%RH @25ºC
Temperature
2ºC typical
Oper. temp.:
25ºC,
10ºC
Battery:
9 volt NEDA #1604A or equivalent alkaline (>40 hour life or >1300
charge cycles). Longer life may be achieved by using 9-volt lithium.
Dimensions:
8.1x4x1.9 inches (206x102x48 mm)
Weight:
1lb, 6 oz. (0.63 kg)
Accessories included:
Carrying case
Banana patch cord
Alligator clip with boot
Battery
This manual and a manual supplement
What this instrument does —
Model 287B IPA meets and far exceeds the basic requirements of ESD Association
(Draft)
Standard Practice 3.3 for the Protection of Electrostatic Discharge
Susceptible Items – Periodic Verification of Air Ionizers
.
Model 287B IPA performs manual or automatic decay and balance tests for periodic
verification of ionization equipment and stores the results and averaged decay times for
up to ten manual tests and up to ten complete automatic test sequences.
Provides real-time measurement and display of temperature and relative humidity.
Performs self-tests.
Battery powered and portable, sets up in seconds.
1
