Gossen Metrawatt Metrahit 18C

Gossen Metrawatt Metrahit 18C

Status	planned
Waveforms	user only
Waveform memory	100 points
Amplitude	0 - 15V
Connectivity	Infrared (RS232)

The Gossen Metrawatt Metrahit 18C is a handheld process calibrator (signal generator) with IR (RS232) connectivity.

Protocol

Proprietary protocol, description available from manufacturer on request.

Functions and ranges

Function	Range	Resolution	Accuracy	sigrok result	Remarks
V= source	0..150 mV	10 µV	0.05% + 2
	0..1.5 V	100 μV
	0..10 V	1 mV			Norm signal
	0..15 V	1 mV
A= source	0..20 mA	1 µA	0.05% + 2 µA		Max. 750 Ω
	4..20 mA	1 µA
	0..24 mA	1 µA
A= sink	0..20 mA	1 µA	0.05% + 2 µA		6..27 V, max. 0.6 VA
	4..20 mA	1 µA
	0..24 mA	1 µA
A= meas.	0..24 mA	0.05 mA	0.25% ± 0.05 mA		Max. ±27 V DC
Ω source	30..2000.0 Ω	0.1 Ω	0.1 % ± 0.1 Ω		Current 0.05-1.4 mA
°C/°F RTD source	Pt 100 -180..+850 °C	0.1 °C	0.1 % + 0.25 °C
	Pt 1000 -180..+250 °C
	Ni 100 -60..+180 °C
	Ni 1000 -60..+180 °C
°C/°F R source	Type J Fe-CuNi – 200 ... + 1200°C	1 °C
	Type L Fe-CuNi -200..+900 °C
	Type T Cu-CuNi -250..+400 °C
	Type U Cu-CuNi -200..+600 °C
	Type K NiCr-NiAl -250..+1350 °C
	Type E NiCr-CuNi -250..+1000 °C
	Type S Pt10Rh-Pt -50..+1750 °C
	Type R Pt13Rh-Pt -50..+1750 °C
	Type B Pt30Rh-Pt6Rh +50..+1800 °C
	Type N Nicrosil-Nisil -240..+1300 °C
Freq source	0.01..99.99 Hz 0..15 V	0.01 Hz 1 mV
Pulse source	0.01..99.99 Hz 0..15 V 1..99999	0.01 Hz 1 mV