HP 34970A manual Measurement Rates and System Characteristics

Chapter 9 Specifications

Measurement Rates and System Characteristics

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Single Channel Measurement Rates [1] [2]			System Characteristics
Function	Resolution	Readings/s	Scan Triggering
DCV, 2-Wire Ohms:	61⁄2 (10 PLC)	6 (5)	Scan Count:	1 to 50,000 or continuous
	51⁄2 (1 PLC)	57 (47)	Scan Interval:	0 to 99 hours; 1 ms step size
	41⁄2 (0.02 PLC)	600	Channel Delay:	0 to 60 seconds/channel; 1 ms step size
	0.1 °C (1 PLC)	57 (47)	External Trig Delay:	< 5 ms; With Monitor On, < 200 ms
Thermocouple:			External Trig Jitter:	< 2 ms
	(0.02 PLC)	220
			Alarms
RTD, Thermistor:	0.01 °C (10 PLC)	6 (5)	Alarm Outputs:	4 TTL compatible. Selectable TTL logic
				HI or LO on Fail
	0.1 °C (1 PLC)	57 (47)
			Latency:	5 ms (typical)
	1 °C (0.02 PLC)	220
ACV:	61⁄2 Slow (3 Hz)	0.14	Memory	Battery Backed, 4 year typical life [5]
			Readings:	50,000 readings
	61⁄2 Medium (20 Hz)	1	States:	5 instrument states
	61⁄2 Fast (200 Hz)	8	Alarm Queue:	Up to 20 events
	[3]	100
	61⁄2		General Specifications
				100 V / 120 V / 220 V / 240 V ±10%
Frequency, Period:	61⁄2 Digits (1s gate)	1	Power Supply:
			Power Line Frequency:	45 Hz to 66 Hz automatically sensed
	51⁄2 Digits (100 ms)	9
			Power Consumption:	(12 W) 25 VA peak
	41⁄2 Digits (10 ms)	70
			Operating Environment:	Full accuracy for 0 °C to 55 °C
System Speeds [4]				Full accuracy to 80% R.H. at 40 °C
			Storage Environment:	-40 °C to 70 °C [5]
INTO Memory		Ch/s	Weight (Mainframe):	Net: 3.6 kg (8.0 lbs)
Single Channel DCV		600	Safety:	Conforms to CSA, UL-1244, IEC 1010 Cat I
			RFI and ESD:	CISPR 11, IEC 801/2/3/4
34902A Scanning DCV		250
			Warranty:	3 years
34907A Scanning Digital Input		250
34902A Scanning DCV, scaling and 1 alarm fail		220
34907A Scanning Totalize		170
34902A Scanning Temperature		160	[1] Reading speeds for 60 Hz and (50 Hz) operation; autozero OFF
34902A Scanning ACV [3]		100	[2] For fixed function and range, readings to memory,
34902A Scanning DCV/Ohms, alternate channels		90	scaling and alarms off, autozero OFF
34901A/34908A Scanning DCV		60	[3] Maximum limit with default settling delays defeated
INTO and OUT of Memory to HP-IB or RS-232 (INIT, FETCh)			[4] Speeds are for 41⁄2 digits, delay 0, display off, autozero off.
			Using 115 kbaud RS-232 setting.
34902A Scanning DCV		180
				°
34902A Scanning DCV with Time stamp		150	[5] Storage at temperatures above 40 C will decrease battery life
OUT of Memory to HP-IB
Readings		800
Readings with Time stamp		450
Readings with all Format Options ON		310
OUT of Memory to RS-232
Readings		600
Readings with Time stamp		320
Readings with all Format Options ON		230
DIRECT to HP-IB or RS-232
Single Channel DCV		440
34902A Scanning DCV		200
Single Channel MEAS DCV 10 or MEAS DCV 1		25
Single Channel MEAS DCV or MEAS OHMS		12

IDP