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 |