| General Specifications |
| 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 2 points
H345 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% |
| ACCURACY @ 25°C as % of rdg |
| DC Current |
3-1/2 digit |
| High (5A, 2A) |
± 0.3% of reading ± 1 count |
| All others |
± 0.1% of reading ± 1 count |
| DC Volts |
| High (600V) |
± 0.2% of reading ± 1 count |
| All others |
± 0.1% of reading ± 1 count |
| Resistance |
| All ranges |
± 0.1% of reading ± 2 counts |
| * AC Current |
| High (2A, 5A) |
± 0.3% of reading ± 2 counts |
| All others |
± 0.2% of reading ± 2 counts |
| * AC Volts |
| High (600V) |
± 0.2% of reading ± 1 count |
| All others |
± 0.1% of reading ± 1 count |
* 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 |
| For indoor use to an altitude up to 200m |
| A TO D CONVERSION |
| Technique |
Successive approximation with oversampling |
| Sample Rate |
10 conversions per second |
| Display Rate |
User Programmable from 1 - 420 updates /
minute (240 default) |
| RS-485 Specications (only available on H345) |
2 wire / Half duplex, Baud rate; 9600 baud, 1ms delay per character,
32 Nodes Maximum on Bus.
Optically and magnetically isolated for ground loop elimination |
| MECHANICAL |
| Bezel |
3.92” x 2.0” x 0.52” (99.8mm x 51.9mm x132mm) |
| Depth |
3.24” (82.3mm) behind panel |
| Panel cutout |
3.62” x 1.77” (92mm x 45mm) 1/8 DIN |
| Weight |
10 oz. (283.5 g) |
| Cover |
NEMA 4X Rated front panel |
| ELECTRICAL |
| Accuracy |
Listed as % of reading at 25°C.
Add 100ppm/°C to compensate for drift.
Tested at 50Hz, include +/-1 count for every
100Hz above 50 Hz |
| Transient Overvoltage |
Installation Category III, Pollution Degree 2 |
| Analog Output |
Sampling Rate = 100 mSec.
Reaction Time 0 to Full Scale = 10 μSec |