RNT Torsional ring load cell

Execution standard:
GB/T 7551-1997 Certificate
(eqv OIML R60)
Combined error: 0.015%
Sealed to IEC 529:
Protection grade: IP67 or IP68.
Protection against total immersion in water for 30 minutes at a pressure corresponding to a 1 m head of water.

 

Dimensions

(In mm. 1mm = 0.03937 inches)

CAP./SIZE	1t	2.2t	4.7t	10t	15t	22t	33t	47t	68t	100t	150t	220t	330t	470t
ΦA	49	49	49	74	75	75	95	130	130	150	150	225	225	270
ΦB	20	20	20	30	30	30	40	60	60	70	70	100	100	120
ΦC	60	60	60	75	75	75	95	130	130	150	150	225	225	270
H	43	43	43	50	50	50	65	75	85	90	100	130	145	170
J	-	-	-	7	7	7	7	7	7	7	7	10	10	10
K	7.5	7.5	7.5	6.5	6.5	6.5	10	14	14	16	16	24	24	28
R	15	15	15	25.4	25.4	25.4	50	60	-	-	-	-	-	-
Deep	2.2	2.2	2.2	3.3	3.3	3.3	3.3	5.1	-	-	-	-	-	-

 

Circuit Diagram:

Electrical Termination
4 Core cable standard lengths:
<=15t: 5.0 m, 22~68t: 13m, >=100t: 5.0m
Diameter: Φ6
Connection: Refer to the following drawing:

Notice: Do not change the length of cable, or lese, it will effect the sensitivity of load cell.

 

Specification

Item\ Parameter	C3	Unit
Rated load (Emax):	1~470	t
Maximal numbers of load cell verification Intervals (Nlc):	3000	d
Minimum load cell verification intervals Intervals ( Vmin):	0.01	% of rated load
Rated output (Cn):	2.0±0.1%	mV/V
Combined error:	0.015	-% of rated output
Temperature effect on sensitivity(Tkc):	0.0012	=% of rated output/
Temperature effect on zero balance(Tk0):	0.0008	-% of rated output
Zero balance:	1.0	-% of rated output
Input resistance(Rlc):	775±5/＞=33t：1550± 10	Ω(Ohms)
Output resistance(Ro):	702±2/＞=33t：1402± 2	Ω(Ohms)
Insulation resistance:	≥5000	MΩ (Mega-Ohms)
Safe overload:	150	% of rated capability
Ultimate overload:	300	% of rated capability
Operating temperature range:	-20~+70/-20~+160	℃/ °F
Recommend excitation:	8~24	V( DC or AC)
Maximum excitation:	48	V( DC or AC)
Material of elastomer:	Alloy steel / Stainless steel
Protection class:	IP67/IP68

The data for deviation of synthesis error,TK0,TKc are typicl values. The sum of these
data meets the requirements according to OIML R60