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Manufature: Monroe Electronics
Model: 244A
Range: ±3000 volts, auto polarity.
Accuracy:* 0.1%, ±0.003%/°C over +20 to +40°C
range (at recorder output). Useable to +50°C.
Speed of response:*
For typical input step: <3ms (10% to 90%)
for 1kV step: <2½ms (10% to 90%)
for 2kV step: <3½ms (10% to 90%)
for 3kV step: <4ms (10% to 90%)
Surface resolution: Determined by probe aperture size
and surface-probe separation.Standard type 1017AE & AS probes with 0.07” (1.75mm) aperture will resolve a 0.10” (2.5mm) spot at 0.02” (0.5mm) separation.
Recorder output: Compressed analog output is input
divided by 1000 (optional Model 244AK has divide by 200) for external
loads greater than 1KΩ. Output connector is BNC.
Size: 10 x 21.8 x 35.6 cm, 1.75” rack mounting available (1 or 2 per rack).
Weight: 3.2 kg
Power : 100, 115, 230 VAC, ±10%, 50/60Hz, 15 watts.
Accessories Included: Manual on CD, line cord, phono plug
Option 1017AE Standard Miniature Probe – End Viewing:
1017AS Standard Miniature Probe – Side Viewing:
1017AEH High Resolution Probe – End Viewing:
1017AEL Low Resolution Probe – End Viewing:
1017ASL Low Resolution Probe – Side Viewing:
1017AT Transparent Miniature Probe:
1017/13 Extension Cable for Model 1017 Probes (Optional Lengths Available. Consult Factory)
1017/22G-110V Gas Purge Kit for Model 1017Probes
1017/22G-220V Gas Purge Kit for Model 1017 Probes
1017E/22D Gradient Adapter for Model 1017E Probe
1017S/22D Gradient Adapter for Model 1017S Probe
The model 244A ISOPROBE® Electrostatic Voltmeter measures surface potential in the range of ±3000 volts without contacting the measured surface. It features high-accuracy (0.1%), drift-free measurements that are almost fully independent of probe-to-surface separation. It enjoys a proven record and long, successful history in both laboratory and manufacturing environments.
Side- and end-viewing probes accommodate various mounting requirements. Specialty high-resolution probes allow the 244A to resolve spot diameters as small as 1 mm. Probes include air purge capability to prevent ingress of particulate.
