| Model: |
LCD |
LED |
| M235 |
M245 |
M235 |
M245 |
| Display |
| Type: |
7 segment |
| Height: |
0.5" (12.7mm) |
0.56" (14.2mm) |
0.4" (10.2mm) |
| Decimal Point (Selectable): |
3 position |
4 position |
3 position |
4 position |
| Overrange Indication: |
Most significant digit = “1“ |
Blinking Display |
| Backlighting: |
Optional negative image, Red Backlight |
N/A |
| Polarity: |
Auto with “-“ indication, “+“ implied |
| Power Requirements |
| AC Voltage: |
85 - 250V AC @ 40 - 440Hz |
| DC Voltage: |
9 - 32 DCV |
Not Available |
| Power Consumption |
| 85 - 250V AC |
LCD 4.0VA (2.4W) Max. |
3.6VA (2.16W) Max. |
| 9 - 32DCV |
LCD 3W Max. |
Not Available |
| Isolation: |
250 VRMS Max. |
| Accuracy @ 25ºC |
| 200Hz |
± 0.2% of input ± 0.2 Hz |
Not Available |
| 2kHz |
± 0.2% of input ± 2 Hz |
| DC V & A |
± (0.1% of Reading ± 1 count) |
± (0.04% of Reading ± 1 count) |
± (0.1% of Reading ± 1 count) |
± (0.04% of Reading ± 1 count) |
| DC 2A |
± (0.25% of Reading ± 1 count) |
| DC 5A |
± (0.5% of Reading ± 1 count) |
| AC TRMS V & A |
± (0.5% of Reading + 5 count) ( 50Hz - 2kHz ) |
± (0.5% of Reading + 50 count) ( 50Hz - 2kHz ) |
± (0.5% of Reading + 2 count) ( 50Hz - 5kHz ) |
± (0.5% of Reading + 10 count) ( 50Hz - 5kHz ) |
| DC Process: |
± (0.02% of Reading ± 1 count) |
| Excitation Current: |
25mA (Maximum) |
| Environmental: |
0 to 55ºC |
| Storage Temperature: |
-10 to 60ºC |
| Relative Humidity: |
0 to 85% non condensing @ 40ºC |
| Temperature Coefficient: |
0.2% of input ± 0.5 digits / ºC |
| Warm-Up Time: |
Less than 20 minutes |
| Noise Rejection CMRR: |
86dB Typical |
| A to D Conversion Technique: |
Integrating Dual Scope |
| Rate: |
3 samples/second typical |
| Frequency Meter |
| Technique: |
Frequency-to-voltage |
Not Available |
| Input Level |
| Frequency Meter: |
500mV to 270 VRMS @ 1.0 Meg ohm or 5V to 24V SquareWave (DC offset = 2Vmax) |
Not Available |
| Mechanical |
| Bezel: |
0.95” x 2.84” (24 mm x 72 mm) |
| Depth: |
2.36” (60 mm) |
| Panel Cutout: |
0.88” x 2.68” (22.2 mm x 68 mm) |
| Weight: |
3.5 oz. (99.2 g) |
2.6 oz. (74 g) |
| Case Material: |
94-0, UL-rated, glass-filled thermoplastic |