The AMETEK JOFRA ASM-801/802/803 A/B Reference Manual provides setup, operation, maintenance instructions and technical specifications for the Advanced…
This reference manual introduces the AMETEK JOFRA Advanced Signal Multi‑scanner series (ASM‑801, ASM‑802, ASM‑803, models A and B). It is intended for users and service technicians who need to install, operate, calibrate, and maintain the instrument in an industrial environment.
The document is organized into chapters covering safety instructions, receiving the instrument, hardware setup, sensor connections, remote operation via RS‑232, operating procedures, maintenance, error handling, adjustment and calibration, technical specifications, and a complete list of accessories. Safety symbols, warranty information, and compliance with CE and EMC directives are also included.
| Signal range (ASM‑801 B) | 0 – 24 mA |
|---|---|
| Internal power supply (ASM‑801 B) | 24 V, max. 28 mA |
| Display resolution (ASM‑801 B) | 0.0001 mA / 0.001 °C / 0.001 °F |
| Accuracy (ASM‑801 B) | ±(0.010 % of rdg. + 0.010 % of F.S.) |
| Input impedance (ASM‑801 B) | <10 Ω |
| Power supply input voltage | 90 – 254 V AC, 45 – 65 Hz |
| Output voltage | 30 V ±2 % regulated DC, max. 30 W |
| Power consumption | 21 VA (AC) / 15 W |
| Communication interface | RS‑232 |
| Maximum scan rate (B‑model) | 5 ch/sec. (V, mA, mV) |
| Weight | 2.3 kg / 5.07 lb |
| Dimensions (L×W×H) | 250 × 249 × 69 mm |
| Operating temperature range | 0 – 40 °C (32 – 104 °F) |
| Storage temperature range | -20 – 50 °C (-4 – 122 °F) |
| Humidity range | 0 % – 90 % RH |
| Protection class | IP30 |
The package includes one multi‑scanner, one power supply, a traceable certificate, the reference manual, a screwdriver (ASM‑801 only), an RS‑232 serial cable, and a CD‑ROM with the JOFRACAL software.
The ASM‑801 B model accepts a current signal range of 0 to 24 mA.
The instrument operates from an AC input of 90 – 254 V at 45 – 65 Hz and provides a regulated 30 V DC output up to 30 W.