Omega RD100B manual Cu10, Cu25 RTD Input /N1, Legs Isolated RTD /N2, Expansion Inputs /N3

	12.5 Specifications of Optional Functions
Alarms
Number of alarms	Up to four alarms (level) for each measurement channels.
Alarm types	High limit (H), low limit (L), delay high limit (T), delay low limit (t). The alarm symbol is shown in parentheses.
	Alarm delay time of delay high and low limit alarms (can be set for each channel, common within a
	channel) See section 12.2
Hysteresis	Applied to high limit alarm and low limit alarm.
	Hysteresis range: Approx. 0.0% to 1.0% of the recording span (0.1% steps)
Miscellaneous	See section 12.2.
Display	See section 12.4.
Cu10, Cu25 RTD Input (/N1)
Item	Specifications
Cu10, Cu25 RTD	This option allows Cu10 and Cu25 inputs to be added to the standard input types.

Input type and measurable range

		Input Type		Measurable Range
		Cu10 (GE)
		Cu10 (L&N)
	RTD	Cu10 (WEED)		–200 to 300°C
	(Measurement	Cu10 (BAILEY)
				–328.0 to 572.0°F
	current i: 2 mA)	Cu10: α = 0.00392 at 20°C
		Cu10: α = 0.00393 at 20°C
		Cu25*: α = 0.00425 at 0°C
	* Measurement current i = 1 mA
Measurement and recording accuracy
	Input Type		Measurement Accuracy	Recording Accuracy
	Cu10 (GE)
	Cu10 (L&N)
	Cu10 (WEED)		±(0.4% of rdg + 1.0°C)	Measurement accuracy
	Cu10 (BAILEY)			± (0.3% of recording span)
	Cu10: α = 0.00392 at 20°C
	Cu10: α = 0.00393 at 20°C
	Cu25: α = 0.00425 at 0°C		±(0.3% of rdg + 0.8°C)

3 Legs Isolated RTD (/N2)

Item	Specifications
Input terminal isolation	Applies to the dot model.
	The RTD input terminals are isolated between channels (on the standard dot model, input terminal b
	are common to all channels)

Expansion Inputs (/N3)

Item	Specifications
Input type	Adds the input types shown in the table below.
	Input Type		Measurement Range
		PR40-20	0.0 to 1900.0°C	32 to 3452°F
		PLATINEL	0.0 to 1400.0°C	32 to 2552°F
	Thermocouple
		NiNiMo	0.0 to 1310.0°C	32 to 2390°F
		W/WRe26	0.0 to 2400.0°C	32 to 4352°F
		Type N (AWG14)	0.0 to 1300.0°C	32 to 2372°F
		Kp vs Au7Fe	0.0 to 300.0 K
		Pt25	–200.0 to 550.0°C	–328.0 to 1022.0°F
		Pt50	–200.0 to 600.0°C	–328.0 to 1112.0°F
		Ni100 (SAMA)	–200.0 to 250.0°C	–328.0 to 482.0°F
	RTD
		Ni100 (DIN)	–60.0 to 180.0°C	–76.0 to 356.0°F
	(Measuring current
		Ni120	–70.0 to 200.0°C	–94.0 to 392.0°F
	i = 1 mA)	J263*B	0.0 to 300.0 K
		Cu53	–50.0 to 150.0°C	–58.0 to 302.0°F
		Cu100: α = 0.00425 at 0°C	–50.0 to 150.0°C	–58.0 to 302.0°F

12

Specifications

12-15