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2ch, Voltage or Temperature input with thermocouple.
This UNIT is equipped with circuits for two independently usable input channels. Simply slot the 8937 into the MEMORY HiCORDER for use.
| Input | Number of channels:2 each for voltage and temperature * Input isolated from output, inter-channel isolation Voltage input:isolated BNC thermocouple input:plug-in terminal |
| Voltage Measurement Range | 500 µV to 2 V/division; 12 settings, the measurement resolution is 1/80 of range * When attached to recorder where full-scale (f.s.) = 20 divisions 1 mV to 5 V/division; 12 settings, the measurement resolution is 1/160 of range * When attached to recorder where full-scale (f.s.) = 10 divisions Low-pass filter: 5/500/5 k/100 kHz |
| Temperature Measurement Range | 10 °C to 100 °C/division; 4 settings, the measurement resolution is 1/80 of range * When attached to recorder where full-scale (f.s.) = 20 divisions 20 °C to 200 °C/division; 4 settings, the measurement resolution is 1/160 of range * When attached to recorder where full-scale (f.s.) = 10 divisions Low-pass filter: 5/500 Hz |
| Thermocouple Range | K: -200 to 1350 °C, E: -200 to 800 °C, J: -200 to 1100 °C, T: -200 to 400 °C, N: -200 to 1300 °C, R: 0 to 1700 °C, S: 0 to 1700 °C, B: 300 to 1800 °C Reference junction compensation: internal/ external (switchable) |
| Maximum Sampling Rate | Voltage input: 1 MS/s, Temperature measurement: 4 kS/s (2-channel simultaneous sampling) |
| Accuracy | Voltage input: DC amplitude ±0.4% of f.s. Zero-position ±0.15% of f.s. Temperature measurement (K, E, J, T, N): ±0.1% of f.s. ±1 °C, ±0.1% of f.s. ±2 °C (-200 to 0 °C), (R, S): ±0.1% of f.s. ±3 °C, (B): ±0.1% of f.s. ±4 °C (400 to 1800 °C) Reference junction compensation accuracy: ±0.1 % f.s. ±1.5 °C (internal compensation) |
| Zero-position | Voltage input: -50 % to 150 %, 1 % steps * With zero-adjust function Temperature measurement: -100 % to 100 %, 1 % steps |
| Frequency Characteristics | Voltage input: DC to 400 kHz + 1/-3 dB Temperature measurement: DC to 1 kHz + 1/-3 dB |
| Max Allowable Input | 30 V rms or 60 V DC (upper voltage which when applied to between input pins does not damage them) |
| Max Rated Voltage to Earth | 30 V rms or 60 V DC (upper voltage which when applied to input channel casing or between input channels does not damage them) |
| Supplied Accessories | None * The input cord is optional |
