Hygro-Thermograph

The housing consists of a plastic-metal combination. The axes are supported by pivot bearing.
Two different models are available regarding the drum clockwork drive:
1. Mechanical drum clockwork mechanism with hand winding for the temperature range between -35...+80°C.
2. With 1,5 V Mignon cell (LR6A), battery operated and quartz-controlled step motor, with switchable thrusts in the temperature range between -20...+60°C.
Delivery includes one set of recording charts (100 sheets).

**Order No. Recording time Thrust**
1.0660.xx.xxx	1 day / 7 days	40 mm/day, 11,45 mm/h
1.0664.xx.xxx	14 days / 31 days	20 mm/day, 9 mm/day
1.0665.xx.xxx	1, 7, 31 days	Quartz clock work

	Hum. meas. elem.	Measuring range
.00.xxx	H (-35 ... +70 °C)	10 ... 100 % rel. F.
.02.xxx	K (0 ... +80 °C)	0... 100 % rel. F.
.0xx	lockable	No
.9xx	lockable	Yes
.x00	Temperature measuring range	-35 ... +45°C (only H)
.x05		-20 ... +60°C (only H)
.x11		-10 ... +50°C (only H)
.x12		-10 ... +40°C (only H)
.x14		0 ... +40°C
.x15		0 ... +50°C
.x16		0 ... +60°C
.x17		0 ... +80°C
	Scale range	0 ... 100% rel. h.
	Accuracy Hum.	± 2% rel. h. (H), ± 3% rel. h. (K)
	Accuracy Temp.	± 1 % of mr.
	Recording width	2 x 82 mm
	Graduation	5% rel. F. / 1 resp. 0,5°C
	Dimension	280 x 138 x 285 mm
	Weight	2,7 kg