| Display |
| Type |
7- segment, red LED, 4 or 5 digits |
| Height |
0.56" (14.2mm) |
| Brightness |
5 settings, user programmable |
| Decimal Point |
4 or 5 position, user programmable |
| Overrange Indication |
Display flashes "EEEE" indicating Maximum
Value Exceeded (Example: H335) |
| Underrange Indication |
Display flashes "-EEE" indicating Minimum
Value Exceeded (Example: H335) |
| Alarm Indicators |
4 LED indicators for up to four independent setpoints |
| Linearization |
H335 has a 2 points
H345 has a 16 points |
| Power Requirements |
| AC |
85 to 250 VAC or 120VAC @ 10VA |
| DC |
9 to 36 DCV @ 10VA |
| Isolation |
250V RMS MAX |
| Note: Each supply is shown at the maximum and minimum values except the 120 VAC unit, which is allowed ± 10% |
| |
4-1/2 digit |
3-1/2 digit |
| DC Current |
| High (5A, 2A) |
± 0.2% of reading
± 1 count |
± 0.3% of reading
± 1 count |
| All others |
± 0.05% of reading
± 1 count |
± 0.1% of reading
± 1 count |
| DC Volts |
| High (600V) |
± 0.1% of reading
± 1 count |
± 0.2% of reading
± 1 count |
| All others |
± 0.05% of reading
± 1 count |
± 0.1% of reading
± 1 count |
| Resistance |
| All ranges |
± 0.1% of reading
± 2 counts |
± 0.1% of reading
± 2 counts |
| * AC Current |
| High (2A, 5A) |
± 0.2% of reading
± 2 counts |
± 0.3% of reading
± 2 counts |
| All others |
± 0.1% of reading
± 2 counts |
± 0.2% of reading
± 2 counts |
| * AC Volts |
| High (600V) |
± 0.1% of reading
± 1 counts |
± 0.2% of reading
± 2 counts |
| All others |
± 0.5% of reading
± 1 counts |
± 0.1% of reading
± 1 counts |
| * AC functions measured at 50 hz, include ± 1 count for each additional 100 Hz above 50 Hz |
| Environmental |
| Operating Temperature |
0 to 50ºC |
| Storage Temperature |
-10 to +60°C |
| Relative Humidity |
< 80% for the temp. up to 31ºC and decreasing linearly to 50% relative humidity at 50°C |
| Ambient Temp |
25°C |
| Temperature Drift |
± 100 ppm /°C |
| Warmup time |
10 minutes |
| Noise Rejection |
| NMRR |
60 dB @ 50-60 Hz |
| CMRR |
70 db @ 50-60 Hz |
| Note: For indoor use to an altitude up to 200m |
| Analog to Digital Conversion |
| Technique |
Successive approximation with oversampling |
| Sample Rate |
10 conversions per second |
| Display Rate |
User Programmable from 1 - 420 updates / minute (240 default) |